Assignee profile:

RISO KAGAKU CORPORATION

City:

Tokyo

Country:

Japan

Published Applications:

694

Last publication date:

2026-03-05

Patent Grants:

606

Last grant date:

2026-03-24

Quarterly RISO KAGAKU CORPORATION Patent Applications

Top Inventors for applications by RISO KAGAKU CORPORATION

These are the the leading inventors for applications assigned to RISO KAGAKU CORPORATION:

Recent patent applications by RISO KAGAKU CORPORATION

RISO KAGAKU CORPORATION based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-03-05
US20260061762A1
Performing operations; transporting

INKJET PRINTER

#2 | 2026-01-01
US20260001322A1
Performing operations; transporting

METHOD AND APPARATUS FOR CONTROLLING LIQUID EJECTION

#3 | 2025-12-11
US20250376343A1
Performing operations; transporting

CONVEYANCE APPARATUS

#4 | 2025-09-25
US20250299601A1
Physics

METHOD, APPARATUS, PROGRAM, AND SYSTEM FOR COLLECTING SIGN LANGUAGE VIDEO INFORMATION, AND METHOD, APPARATUS, PROGRAM, AND SYSTEM FOR GENERATING SIGN LANGUAGE INFORMATION

#5 | 2025-09-25
US20250299163A1
Physics

METHOD, APPARATUS, AND PROGRAM FOR APPOINTMENT MANAGEMENT, AND APPOINTMENT MANAGEMENT SYSTEM

#6 | 2025-09-25
US20250299162A1
Physics

METHOD, APPARATUS, AND PROGRAM FOR APPOINTMENT MANAGEMENT, AND APPOINTMENT MANAGEMENT SYSTEM

#7 | 2025-09-18
US20250289677A1
Performing operations; transporting

SHEET CONVEYANCE DEVICE

#8 | 2025-07-24
US20250236130A1
Performing operations; transporting

METHOD AND APPARATUS FOR PRODUCING A TRANSFER MEDIUM, AND TRANSFER MEDIUM

#9 | 2025-06-26
US20250206556A1
Performing operations; transporting

SHEET FEEDING METHOD, SHEET FEEDING APPARATUS, SHEET FEEDING PROGRAM, AND LEARNING MODEL

#10 | 2025-04-03
US20250112883A1
Electricity

COMMUNICATION SYSTEM

#11 | 2025-03-20
US20250095394A1
Physics

METHOD, APPARATUS, AND PROGRAM FOR EVALUATING DOCUMENTS, AND DOCUMENT EVALUATION SYSTEM

#12 | 2024-12-26
US20240425296A1
Performing operations; transporting

CONVEYANCE DEVICE

#13 | 2024-11-21
US20240388227A1
Electricity

DRIVE CONTROL DEVICE

#14 | 2024-10-17 ✅ Patent 12,583,705 granted on 2026-03-24
US20240343520A1
Performing operations; transporting

MEDIUM LOADING DEVICE

#15 | 2024-10-03 ✅ Patent 12,437,545 granted on 2025-10-07
US20240331388A1
Physics

METHOD, APPARATUS, AND PROGRAM FOR PROCESSING VIDEO INFORMATION

#16 | 2024-10-03
US20240330986A1
Physics

SYSTEM AND METHOD FOR MANAGING ADVERTISEMENT INFORMATION, AND APPARATUS AND PROGRAM FOR DELIVERING ADVERTISEMENT INFORMATION

#17 | 2024-10-03 ✅ Patent 12,423,640 granted on 2025-09-23
US20240330841A1
Physics

DELIVERY ITEM INFORMATION MANAGEMENT SYSTEM, METHOD, APPARATUS, AND PROGRAM FOR MANAGING DELIVERY ITEM INFORMATION, AND PRINTING APPARATUS

#18 | 2024-08-15 ✅ Patent 12,531,868 granted on 2026-01-20
US20240275791A1
Electricity

COMMUNICATION SYSTEM, MANAGER APPARATUS, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM

#19 | 2024-06-20 ✅ Patent 12,456,228 granted on 2025-10-28
US20240202976A1
Physics

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING INFORMATION PROCESSING PROGRAM

#20 | 2024-06-13 ✅ Patent 12,630,380 granted on 2026-05-19
US20240190673A1
Performing operations; transporting

ROLLER PAIR FOR CONVEYING SHEETS AND PRINTING APPARATUS

#21 | 2024-04-11 ✅ Patent 12,194,725 granted on 2025-01-14
US20240116289A1
Performing operations; transporting

Method and apparatus for producing transfer medium

#22 | 2024-04-04 ✅ Patent 12,571,159 granted on 2026-03-10
US20240110331A1
Textiles; paper

AQUEOUS INK FOR TEXTILE INKJET PRINTING AND METHOD FOR PRODUCING PRINTED TEXTILE ITEM

#23 | 2024-04-04 ✅ Patent 12,545,025 granted on 2026-02-10
US20240109316A1
Performing operations; transporting

DROPLET EJECTION CONTROL APPARATUS

#24 | 2024-03-28
US20240100840A1
Performing operations; transporting

INKJET PRINTER

#25 | 2024-03-21 ✅ Patent 12,311,673 granted on 2025-05-27
US20240092086A1
Performing operations; transporting

Liquid supply apparatus

#26 | 2024-03-07 ✅ Patent 12,397,543 granted on 2025-08-26
US20240075734A1
Performing operations; transporting

INKJET PRINTER

#27 | 2024-02-08 ✅ Patent 12,194,767 granted on 2025-01-14
US20240042783A1
Performing operations; transporting

Method for producing transfer sheet, and aqueous adhesive liquid

#28 | 2023-11-09 ✅ Patent 12,291,035 granted on 2025-05-06
US20230356530A1
Performing operations; transporting

Inkjet printer, flow path resistance adjustment method, and printing method

#29 | 2023-10-05 ✅ Patent 12,246,939 granted on 2025-03-11
US20230312287A1
Performing operations; transporting

Medium feeding device

#30 | 2023-09-21 ✅ Patent 12,109,838 granted on 2024-10-08
US20230294448A1
Performing operations; transporting

Apparatus for producing transfer medium and transfer medium

#31 | 2023-09-21
US20230294427A1
Performing operations; transporting

CONVEYING DEVICE

#32 | 2023-08-17 ✅ Patent 12,583,246 granted on 2026-03-24
US20230256766A1
Performing operations; transporting

PRINTING APPARATUS AND METHOD

#33 | 2023-06-29 ✅ Patent 12,227,899 granted on 2025-02-18
US20230203750A1
Textiles; paper

Method for producing printed textile item

#34 | 2023-04-27 ✅ Patent 12,128,676 granted on 2024-10-29
US20230125577A1
Performing operations; transporting

Printing apparatus

#35 | 2023-04-06 ✅ Patent 12,649,860 granted on 2026-06-09
US20230107262A1
Chemistry; metallurgy

TREATMENT LIQUID, INKJET INK SET, AND METHOD FOR PRODUCING PRINTED MATTER

#36 | 2023-03-30 ✅ Patent 12,263,686 granted on 2025-04-01
US20230096525A1
Performing operations; transporting

Electronic apparatus

#37 | 2022-12-29 ✅ Patent 11,781,268 granted on 2023-10-10
US20220411999A1
Textiles; paper

Method for producing printed textile item

#38 | 2022-12-29 ✅ Patent 11,981,119 granted on 2024-05-14
US20220410590A1
Performing operations; transporting

Method and apparatus for controlling ink ejection

#39 | 2022-09-15 ✅ Patent 12,122,637 granted on 2024-10-22
US20220289507A1
Performing operations; transporting

Conveyance device

#40 | 2022-09-15 ✅ Patent 11,850,843 granted on 2023-12-26
US20220288952A1
Performing operations; transporting

Printing system

#41 | 2022-08-18 ✅ Patent 12,187,566 granted on 2025-01-07
US20220258999A1
Performing operations; transporting

Conveying apparatus

#42 | 2022-08-18 ✅ Patent 11,878,894 granted on 2024-01-23
US20220258995A1
Performing operations; transporting

Sheet discharger

#43 | 2022-07-28 ✅ Patent 11,932,511 granted on 2024-03-19
US20220234853A1
Performing operations; transporting

Medium feeding mechanism

#44 | 2022-07-21 ✅ Patent 11,981,532 granted on 2024-05-14
US20220227594A1
Performing operations; transporting

Paper supply device

#45 | 2022-06-23 ✅ Patent 12,103,804 granted on 2024-10-01
US20220194723A1
Performing operations; transporting

Sheet feeding apparatus

#46 | 2022-06-16 ✅ Patent 11,656,818 granted on 2023-05-23
US20220188045A1
Physics

Information processing apparatus, information processing method and storage medium

#47 | 2022-05-05 ✅ Patent 11,772,922 granted on 2023-10-03
US20220135355A1
Performing operations; transporting

Conveying apparatus with conveyance surface facing downward

#48 | 2022-02-03 ✅ Patent 12,195,632 granted on 2025-01-14
US20220033671A1
Chemistry; metallurgy

Oil-based inkjet ink

#49 | 2022-01-06 ✅ Patent 12,006,178 granted on 2024-06-11
US20220002101A1
Performing operations; transporting

Sheet feed device

#50 | 2021-12-02 ✅ Patent 11,739,229 granted on 2023-08-29
US20210371684A1
Chemistry; metallurgy

Treatment liquid for screen printing plate and method for treating screen printing plate

#51 | 2021-12-02 ✅ Patent 11,970,358 granted on 2024-04-30
US20210371222A1
Performing operations; transporting

Medium feeding mechanism

#52 | 2021-11-18 ✅ Patent 11,397,881 granted on 2022-07-26
US20210357713A1
Physics

Image processing apparatus

#53 | 2021-09-16 ✅ Patent 11,518,633 granted on 2022-12-06
US20210284471A1
Performing operations; transporting

Sheet feed device

#54 | 2021-08-26 ✅ Patent 11,629,019 granted on 2023-04-18
US20210261369A1
Performing operations; transporting

Medium feeding apparatus

#55 | 2021-08-05 ✅ Patent 11,479,435 granted on 2022-10-25
US20210237999A1
Performing operations; transporting

Medium ejection apparatus

#56 | 2021-05-27 ✅ Patent 11,584,599 granted on 2023-02-21
US20210155428A1
Performing operations; transporting

Transportation apparatus

#57 | 2021-03-04 ✅ Patent 11,144,266 granted on 2021-10-12
US20210064315A1
Physics

Printing system

#58 | 2021-03-04 ✅ Patent 11,235,572 granted on 2022-02-01
US20210060933A1
Performing operations; transporting

Medium ejection apparatus

#59 | 2021-01-28 ✅ Patent 11,390,085 granted on 2022-07-19
US20210023846A1
Performing operations; transporting

Wiping device

#60 | 2020-12-03 ✅ Patent 11,068,216 granted on 2021-07-20
US20200379690A1
Physics

Print data generating apparatus, capable of determining optimized raster image processor (RIP) setting conditions that maximize printing speed

#61 | 2020-12-03 ✅ Patent 11,135,851 granted on 2021-10-05
US20200376844A1
Performing operations; transporting

Wiper and wiper mechanism

#62 | 2020-11-26
US20200369021A1
Performing operations; transporting

SCREEN-FRAME ATTACHMENT APPARATUS AND PLATE-MAKING PRINTING SYSTEM

#63 | 2020-10-08 ✅ Patent 11,433,688 granted on 2022-09-06
US20200316961A1
Performing operations; transporting

Printer

#64 | 2020-10-01 ✅ Patent 11,912,522 granted on 2024-02-27
US20200307940A1
Performing operations; transporting

Discharge unit

#65 | 2020-10-01 ✅ Patent 10,870,548 granted on 2020-12-22
US20200307931A1
Performing operations; transporting

Medium supply apparatus

#66 | 2020-10-01 ✅ Patent 11,173,735 granted on 2021-11-16
US20200307286A1
Performing operations; transporting

Image forming apparatus including a plurality of gap adjusters

#67 | 2020-10-01 ✅ Patent 11,155,110 granted on 2021-10-26
US20200307284A1
Performing operations; transporting

Inkjet printer with flow adjuster

#68 | 2020-09-03 ✅ Patent 11,135,865 granted on 2021-10-05
US20200276850A1
Performing operations; transporting

Method for producing printed matter

#69 | 2020-09-03 ✅ Patent 11,077,691 granted on 2021-08-03
US20200276849A1
Performing operations; transporting

Method for producing printed matter

#70 | 2020-08-27 ✅ Patent 11,110,713 granted on 2021-09-07
US20200269588A1
Performing operations; transporting

Transfer device configured to transfer liquid from container with bag portion

#71 | 2020-08-27 ✅ Patent 11,167,557 granted on 2021-11-09
US20200269587A1
Performing operations; transporting

Agitation device configured to execute transfer operation and agitation operation of liquid

#72 | 2020-08-20
US20200262670A1
Performing operations; transporting

WEB CONVEYING DEVICE

#73 | 2020-08-20 ✅ Patent 11,110,711 granted on 2021-09-07
US20200262207A1
Performing operations; transporting

Liquid agent mist recovery device

#74 | 2020-08-20 ✅ Patent 11,090,943 granted on 2021-08-17
US20200262206A1
Performing operations; transporting

Liquid agent mist recovery device

#75 | 2020-08-20 ✅ Patent 11,260,651 granted on 2022-03-01
US20200262196A1
Performing operations; transporting

Dust removal device and printer

#76 | 2020-08-06 ✅ Patent 11,261,042 granted on 2022-03-01
US20200247626A1
Performing operations; transporting

Medium feeding apparatus

#77 | 2020-08-06 ✅ Patent 11,097,548 granted on 2021-08-24
US20200247133A1
Performing operations; transporting

Liquid tank

#78 | 2020-08-06
US20200247132A1
Performing operations; transporting

AGITATION DEVICE OF INK AND PRINTING APPARATUS

#79 | 2020-08-06 ✅ Patent 11,141,984 granted on 2021-10-12
US20200247131A1
Performing operations; transporting

Tank with tank main body and lid

#80 | 2020-07-30 ✅ Patent 11,542,402 granted on 2023-01-03
US20200239719A1
Chemistry; metallurgy

Oil-based inkjet ink, method for producing oil-based inkjet ink and method for producing dispersant

#81 | 2020-07-30 ✅ Patent 11,711,479 granted on 2023-07-25
US20200239257A1
Performing operations; transporting

Printing system

#82 | 2020-07-30 ✅ Patent 10,987,948 granted on 2021-04-27
US20200238728A1
Performing operations; transporting

Inkjet printer with ejection adjustment function based on test pattern

#83 | 2020-07-02 ✅ Patent 12,109,833 granted on 2024-10-08
US20200207143A1
Performing operations; transporting

Adhesive for heat-sensitive screen master, heat-sensitive screen master, and method for producing heat-sensitive screen master

#84 | 2020-06-18 ✅ Patent 11,434,093 granted on 2022-09-06
US20200189867A1
Performing operations; transporting

Image inspection apparatus

#85 | 2020-05-28 ✅ Patent 11,141,991 granted on 2021-10-12
US20200164659A1
Performing operations; transporting

Inkjet printing device

#86 | 2020-04-02 ✅ Patent 10,919,309 granted on 2021-02-16
US20200101755A1
Performing operations; transporting

Inkjet printing apparatus with ink circulator

#87 | 2020-03-05 ✅ Patent 11,313,807 granted on 2022-04-26
US20200072759A1
Physics

Image inspection device

#88 | 2020-03-05 ✅ Patent 11,040,556 granted on 2021-06-22
US20200070549A1
Performing operations; transporting

Printing apparatus with plurality of sheet feed trays

#89 | 2020-03-05 ✅ Patent 11,254,120 granted on 2022-02-22
US20200070498A1
Performing operations; transporting

Conveyance device and image inspection device

#90 | 2020-02-27
US20200062527A1
Performing operations; transporting

CONVEYING APPARATUS

#91 | 2020-02-20 ✅ Patent 10,926,533 granted on 2021-02-23
US20200055310A1
Performing operations; transporting

Inkjet printer with inkjet heads in overlapping arrangement

#92 | 2020-02-06 ✅ Patent 11,414,560 granted on 2022-08-16
US20200040206A1
Chemistry; metallurgy

Oil-based inkjet ink

#93 | 2020-01-16 ✅ Patent 11,525,065 granted on 2022-12-13
US20200017702A1
Chemistry; metallurgy

Oil-based inkjet ink

#94 | 2020-01-16 ✅ Patent 10,821,733 granted on 2020-11-03
US20200016897A1
Performing operations; transporting

Liquid collection device with suctioner for sucking liquid

#95 | 2020-01-02 ✅ Patent 11,053,406 granted on 2021-07-06
US20200002561A1
Chemistry; metallurgy

Ink for inkjet textile printing, ink set, and method for producing printed item

#96 | 2020-01-02 ✅ Patent 10,907,062 granted on 2021-02-02
US20200002557A1
Chemistry; metallurgy

Oil-based inkjet ink and method for producing oil-based inkjet ink

#97 | 2020-01-02 ✅ Patent 10,759,184 granted on 2020-09-01
US20200001618A1
Performing operations; transporting

Density correction profile generation method and image forming device

#98 | 2019-12-26 ✅ Patent 11,046,543 granted on 2021-06-29
US20190389683A1
Performing operations; transporting

Web conveyance device with brake

#99 | 2019-11-28 ✅ Patent 10,917,532 granted on 2021-02-09
US20190364161A1
Electricity

Image forming apparatus with alternative image forming apparatus selection

#100 | 2019-11-21 ✅ Patent 10,982,385 granted on 2021-04-20
US20190352846A1
Textiles; paper

Pretreatment liquid for inkjet textile printing, method for producing printed textile item, and ink set for inkjet textile printing

Also check out RISO KAGAKU CORPORATION's (Tokyo, Japan) applicant profile with 363 patent applications submitted.

AssigneeID:

1072 ⎘