Assignee profile:

RIVERFIELD INC.

City:

Tokyo

Country:

Japan

Published Applications:

79

Last publication date:

2026-04-30

Patent Grants:

33

Last grant date:

2026-02-10

Top Inventors for applications by RIVERFIELD INC.

These are the the leading inventors for applications assigned to RIVERFIELD INC.:

Recent patent applications by RIVERFIELD INC.

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

#1 | 2026-04-30
US20260115908A1
Performing operations; transporting

CONSOLE DEVICE

#2 | 2026-04-23
US20260108317A1
Human necessities

HAND CONTROLLER AND CONSOLE DEVICE

#3 | 2025-06-19
US20250195164A1
Human necessities

MEDICAL DEVICE

#4 | 2025-06-05
US20250177071A1
Human necessities

SURGICAL ROBOT AND CONTROLLER FOR SURGICAL ROBOT

#5 | 2025-04-10
US20250114827A1
Performing operations; transporting

CLEANING TOOL FOR SURGICAL INSTRUMENT

#6 | 2025-03-20
US20250091198A1
Performing operations; transporting

MANIPULATOR ARM

#7 | 2025-03-06 ✅ Patent 12,544,911 granted on 2026-02-10
US20250073929A1
Performing operations; transporting

ARM STRUCTURE

#8 | 2025-02-20
US20250057586A1
Human necessities

SURGICAL INSTRUMENT WITH FLUSH PORT

#9 | 2025-02-06
US20250041013A1
Human necessities

REMOTE OPERATION SYSTEM

#10 | 2025-01-30 ✅ Patent 12,535,060 granted on 2026-01-27
US20250035093A1
Mechanical engineering

SOFT ACTUATOR FIXING METHOD AND SOFT ACTUATOR DEVICE

#11 | 2025-01-09
US20250009377A1
Human necessities

FORCEPS DEVICE

#12 | 2025-01-02
US20250000602A1
Human necessities

DRAPE ATTACHMENT STRUCTURE FOR SURGERY ASSIST APPARATUS, AND DRAPE

#13 | 2024-11-07
US20240371118A1
Physics

ASSISTANCE SYSTEM, ASSISTANCE DEVICE, AND ASSISTED DEVICE

#14 | 2024-11-07
US20240366250A1
Human necessities

FORCEPS DEVICE

#15 | 2024-11-07
US20240366249A1
Human necessities

FORCEPS DEVICE

#16 | 2024-11-07
US20240366248A1
Human necessities

FORCEPS DEVICE

#17 | 2024-10-24
US20240350210A1
Human necessities

SURGICAL INSTRUMENT

#18 | 2024-10-17
US20240341889A1
Human necessities

SURGERY ASSISTING DEVICE

#19 | 2024-10-17
US20240341885A1
Human necessities

SURGERY ASSISTING DEVICE

#20 | 2024-10-17
US20240341884A1
Human necessities

SURGERY ASSISTING DEVICE

#21 | 2024-10-03
US20240326268A1
Performing operations; transporting

DRAPE

#22 | 2024-09-26
US20240315720A1
Human necessities

SLIDER AND SURGICAL INSTRUMENT

#23 | 2024-08-15
US20240268629A1
Human necessities

FOOT CONTROLLER AND SURGERY ASSISTANCE DEVICE

#24 | 2024-08-08
US20240261042A1
Human necessities

DRAPE UNIT WITH COVER, LOCKING COVER, AND MEDICAL ROBOT

#25 | 2024-05-02
US20240138873A1
Human necessities

SURGICAL INSTRUMENT

#26 | 2024-03-14
US20240081918A1
Human necessities

FORCE SENSE DISPLAY DEVICE, FORCE SENSE DISPLAY METHOD, AND COMPUTER READABLE MEDIUM

#27 | 2024-01-11 ✅ Patent 12,408,997 granted on 2025-09-09
US20240008937A1
Human necessities

FORCE SENSE NOTIFICATION DEVICE AND FORCE SENSE NOTIFICATION METHOD

#28 | 2023-11-23 ✅ Patent 12,340,710 granted on 2025-06-24
US20230377473A1
Physics

INFORMATION PROCESSING DEVICE AND ASSISTANCE SYSTEM

#29 | 2023-10-05
US20230310106A1
Human necessities

FORCEPS DEVICE AND BASE MEMBER

#30 | 2023-10-05
US20230310098A1
Human necessities

SURGERY ASSISTANCE DEVICE

#31 | 2023-08-17
US20230256590A1
Performing operations; transporting

WORK ASSISTANCE ROBOT

#32 | 2023-08-17
US20230255820A1
Human necessities

SURGERY ASSISTANCE DEVICE

#33 | 2023-08-17
US20230255452A1
Human necessities

SURGERY ASSISTING DEVICE

#34 | 2023-07-13
US20230218366A1
Human necessities

SURGERY ASSISTING DEVICE AND COMPUTING DEVICE FOR SURGERY ASSISTING DEVICE

#35 | 2023-07-06
US20230210546A1
Human necessities

FORCEPS DEVICE

#36 | 2023-07-06
US20230210509A1
Human necessities

SURGICAL TOOL

#37 | 2023-05-18 ✅ Patent 12,402,965 granted on 2025-09-02
US20230149107A1
Human necessities

MEDICAL OPERATION APPARATUS

#38 | 2023-03-23 ✅ Patent 12,355,297 granted on 2025-07-08
US20230086127A1
Electricity

SURGERY ASSISTANCE DEVICE

#39 | 2023-03-16 ✅ Patent 12,527,643 granted on 2026-01-20
US20230080541A1
Human necessities

SURGICAL INSTRUMENT HOLDING DEVICE AND SURGICAL ASSISTANCE DEVICE

#40 | 2023-03-16
US20230078683A1
Human necessities

SURGICAL DEVICE RETRACTING MECHANISM

#41 | 2023-01-19 ✅ Patent 12,594,138 granted on 2026-04-07
US20230016675A1
Human necessities

BEARING STRUCTURE AND DRAPE UNIT INCLUDING BEARING STRUCTURE

#42 | 2023-01-19
US20230014925A1
Human necessities

SURGICAL TOOL

#43 | 2023-01-05 ✅ Patent 12,544,936 granted on 2026-02-10
US20230001588A1
Performing operations; transporting

ROTATION POSITION DETECTION UNIT

#44 | 2023-01-05 ✅ Patent 12,138,005 granted on 2024-11-12
US20230000580A1
Human necessities

Drape unit

#45 | 2023-01-05 ✅ Patent 12,324,640 granted on 2025-06-10
US20230000575A1
Human necessities

MEDICAL ROBOT

#46 | 2022-12-29 ✅ Patent 12,023,115 granted on 2024-07-02
US20220412378A1
Mechanical engineering

Medical-robot pneumatic drive mechanism

#47 | 2022-12-29
US20220409312A1
Human necessities

FLOATING DRIVE MECHANISM FOR MEDICAL ROBOT AND MEDICAL ROBOT

#48 | 2022-12-29
US20220409311A1
Human necessities

SURGICAL ROBOT

#49 | 2022-12-22
US20220401181A1
Human necessities

SURGICAL INSTRUMENT HOLDING DEVICE AND SURGERY ASSISTING DEVICE

#50 | 2022-12-22 ✅ Patent 12,376,935 granted on 2025-08-05
US20220401175A1
Human necessities

SURGERY-ASSISTING DEVICE

#51 | 2022-12-22
US20220401165A1
Human necessities

SURGICAL SYSTEM

#52 | 2022-12-08 ✅ Patent 12,458,468 granted on 2025-11-04
US20220387133A1
Human necessities

SURGICAL INSTRUMENT HOLDING DEVICE AND SURGERY ASSISTING DEVICE

#53 | 2022-12-08
US20220387028A1
Human necessities

SURGICAL INSTRUMENT HOLDING DEVICE AND SURGERY ASSISTING DEVICE

#54 | 2022-12-08
US20220387021A1
Human necessities

SURGICAL INSTRUMENT HOLDING DEVICE AND SURGERY ASSISTING DEVICE

#55 | 2022-12-01 ✅ Patent 12,636,110 granted on 2026-05-26
US20220378538A1
Human necessities

SURGICAL ROBOT AND CONTROLLER OF SURGICAL ROBOT

#56 | 2022-12-01
US20220378536A1
Human necessities

SURGICAL ROBOT AND CONTROLLER OF SURGICAL ROBOT

#57 | 2022-12-01 ✅ Patent 12,357,402 granted on 2025-07-15
US20220378531A1
Human necessities

SURGICAL ROBOT

#58 | 2022-12-01 ✅ Patent 12,336,776 granted on 2025-06-24
US20220378530A1
Human necessities

SURGICAL ROBOT

#59 | 2022-12-01
US20220378518A1
Human necessities

SURGICAL ROBOT

#60 | 2022-10-06 ✅ Patent 12,616,532 granted on 2026-05-05
US20220313376A1
Human necessities

MEDICAL ROBOT AND ATTACHMENT PORTION OF MEDICAL ROBOT

#61 | 2022-10-06
US20220313299A1
Human necessities

SURGICAL DEVICE

#62 | 2022-10-06 ✅ Patent 12,390,238 granted on 2025-08-19
US20220313296A1
Human necessities

SURGICAL DEVICE

#63 | 2022-08-04
US20220241041A1
Human necessities

SURGICAL TOOL

#64 | 2022-07-28 ✅ Patent 12,232,833 granted on 2025-02-25
US20220233261A1
Human necessities

Surgical robot system, external force estimation device, and computer readable storage medium

#65 | 2022-07-28
US20220233260A1
Human necessities

SURGICAL TOOL

#66 | 2022-07-21
US20220225861A1
Human necessities

CAMERA HEAD ADAPTOR

#67 | 2022-07-07 ✅ Patent 12,336,778 granted on 2025-06-24
US20220211456A1
Human necessities

SURGICAL TOOL

#68 | 2022-07-07 ✅ Patent 11,805,976 granted on 2023-11-07
US20220211402A1
Human necessities

Slider and surgical instrument

#69 | 2022-05-26 ✅ Patent 12,167,942 granted on 2024-12-17
US20220160458A1
Human necessities

Surgery assisting device

#70 | 2022-05-26 ✅ Patent 12,011,243 granted on 2024-06-18
US20220160447A1
Human necessities

Force sense display device and force sense display method of medical robot system

#71 | 2022-05-26 ✅ Patent 12,138,000 granted on 2024-11-12
US20220160446A1
Human necessities

Surgical tool

#72 | 2022-05-19 ✅ Patent 12,303,227 granted on 2025-05-20
US20220151721A1
Human necessities

Force sense display device and force sense display method

#73 | 2022-05-19 ✅ Patent 11,723,717 granted on 2023-08-15
US20220151686A1
Human necessities

High-frequency forceps

#74 | 2022-05-12 ✅ Patent 12,458,432 granted on 2025-11-04
US20220142700A1
Human necessities

SURGICAL INSTRUMENT FOR SURGICAL ASSIST ROBOT

#75 | 2021-11-25 ✅ Patent 12,102,405 granted on 2024-10-01
US20210361370A1
Human necessities

Medical robot, surgical tool and attachment portion

#76 | 2021-11-25 ✅ Patent 12,279,838 granted on 2025-04-22
US20210361363A1
Human necessities

Arm device, control method, and program

#77 | 2021-03-04 ✅ Patent 12,285,300 granted on 2025-04-29
US20210059783A1
Human necessities

Arm device

#78 | 2021-02-04 ✅ Patent 11,890,062 granted on 2024-02-06
US20210030484A1
Human necessities

Estimation device, estimation method, and program

#79 | 2019-05-30 ✅ Patent 11,207,144 granted on 2021-12-28
US20190159853A1
Human necessities

Motive power transmission adapter and medical manipulator system

Also check out RIVERFIELD INC.'s (Tokyo, Japan) applicant profile with 58 patent applications submitted.

AssigneeID:

148917 ⎘