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Assignee profile:

TOTO LTD.

City:

KITAKYUSHU-SHI

Country:

Japan

Published Applications:

167

Last publication date:

2026-05-28

Patent Grants:

128

Last grant date:

2026-01-06

Top Inventors for applications by TOTO LTD.

These are the the leading inventors for applications assigned to TOTO LTD.:

Shu Kashirajima 20 Kitakyushu-shi, Japan
Shu Kashirajima 18 Kitakyushu, Japan
Masaaki MOMOE 14 Kitakyushu-shi, Japan
Nobuhiro Hayashi 12 Kitakyushu, Japan

Nobuhiro HAYASHI 12 Kitakyushu-shi, Japan
Hidekazu KITAURA 11 Kitakyushu-shi, Japan
Hidekazu Kitaura 11 Kitakyushu, Japan
Masahiro KUROISHI 10 Kitakyushu-shi, Japan

Hiroshi HASHIMOTO 10 Kitakyushu-shi, Japan
Masahiro Kuroishi 10 Kitakyushu, Japan
Akihiro Shimuta 9 Kitakyushu, Japan
Akihiro SHIMUTA 9 Kitakyushu-shi, Japan

Yutaka MOMIYAMA 8 Yokohama-shi, Japan
Hiroshi Hashimoto 8 Kitakyushu, Japan
Makoto BEKKI 8 Kitakyushu-shi, Japan
Shigeru ANDO 8 Odawara-shi, Japan

Yuuki Shinohara 8 Kitakyushu, Japan
Yuuki SHINOHARA 8 Kitakyushu-shi, Japan
Masaaki Momoe 8 Kitakyushu, Japan
Koki Shinohara 8 Kitakyushu, Japan

Koki SHINOHARA 8 Kitakyushu-shi, Japan
Seiki FURUYA 7 Fujisawa-shi, Japan
Yutaka Momiyama 7 Yokohama, Japan
Osamu Okamoto 6 Chigasaki, Japan

Osamu OKAMOTO 6 Chigasaki-shi, Japan
Kenji HATAMA 6 Kitakyushu-shi, Japan
Nobuo Isaka 6 Yokohama, Japan
Naoki WATANABE 6 Chigasaki-shi, Japan

Naoki Watanabe 6 Chigasaki, Japan
Seiki Furuya 6 Fujisawa, Japan
Koichiro Matsushita 6 Fukuoka-ken, Japan
Nobuo ISAKA 6 Yokohama-shi, Japan

Masaki SATO 6 Fujisawa-shi, Japan
Shigeru Ando 6 Odawara, Japan
Kenji Hatama 6 Kitakyushu, Japan
Kiyoshi HAYAMA 6 Fujisawa-shi, Japan

Yo Morotomi 6 Fukuoka-ken, Japan
Masaki Sato 6 Fujisawa, Japan
Kiyoshi Hayama 6 Fujisawa, Japan
Kenichi NAKAMURA 6 Kitakyushu-shi, Japan

Makoto Bekki 5 Kitakyushu, Japan
Masaki Kitamura 5 Kitakyushu, Japan
Hideki Tanimoto 5 Kitakyushu, Japan
TOTO LTD. 5 Kitakyushu-shi, Japan

Takumi TSUCHITANI 5 Kitakyushu-shi, Japan
Masaki KITAMURA 5 Kitakyushu-shi, Japan
Hideki TANIMOTO 5 Kitakyushu-shi, Japan
Hironori YAMASAKI 5 Kitakyushu-shi, Japan

Koji OMOSHIKI 4 Chigasaki-shi, Japan
Eiji SHIOHARA 4 Kitakyushu-shi, Japan
Haruka Saito 4 Kitakyushu, Japan
Isami Sakaba 4 Kitakyushu, Japan

Shinichi URATA 4 Kitakyushu-shi, Japan
Hironori Yamasaki 4 Kitakyushu, Japan
Takumi Tsuchitani 4 Kitakyushu, Japan
Yusuke Tone 4 Kitakyushu-shi, Japan

Hideo IWAKI 4 Kitakyushu-shi, Japan
Masami Ando 4 Fukuoka-ken, Japan
Daichi HARA 4 Kitakyushu-shi, Japan
Kotaro HADA 4 Kitakyushu-shi, Japan

Junji KAMESHIMA 4 KANAGAWA-KEN, Japan
Eiji Shiohara 4 Kitakyushu, Japan
Isami SAKABA 4 Kitakyushu-shi, Japan
Yukinori Kubozono 4 Kitakyushu-shi, Japan

Shoko Kobayashi 4 Kitakyushu-shi, Japan
Seiya NAKASHIMA 4 Kitakyushu-shi, Japan
Yukinori Kubozono 4 Kitakyushu, Japan
Ayumu Umemoto 4 Fukuoka-ken, Japan

Daiki Okabe 4 Kitakyushu-shi, Japan
Haruka SAITO 4 Kitakyushu-shi, Japan
So OTANI 4 Kitakyushu-shi, Japan
Wataru Ishimi 4 Kitakyushu, Japan

Wataru ISHIMI 4 Kitakyushu-shi, Japan
Yuki YAMASAKI 4 Kitakyushu-shi, Japan
Masayuki Mochita 4 Fukuoka-ken, Japan
Satoru Kitazaki 3 Kanagawa-ken, Japan

Koji Omoshiki 3 Kanagawa-ken, Japan
Seika TATSUOKA 3 Kitakyushu-shi, Japan
Yasuo KAKINUMA 3 Chigasaki-shi, Japan
Shoko Imaizumi 3 Kitakyushu, Japan

Toshiaki Banzai 3 Fukuoka-Ken, Japan
Takumi Tsuchitani 3 Fukuoka, Japan
Kenichi Nakamura 3 Fukuoka, Japan
Takuya Matsuo 3 Yokohama-shi, Japan

Yoji TAKAKI 3 KANAGAWA-KEN, Japan
Hirokazu SEKINE 3 Kanagawa, Japan
Daiki Okabe 3 Kitakyushu, Japan
Yamato NAKANO 3 Kitakyushu-shi, Japan

Shinichi Urata 3 Fukuoka, Japan
Yu YAMASAKI 3 Kitakyushu-shi, Japan
Shinichi Urata 3 Kitakyushu, Japan
Yuki TANAKA 3 KANAGAWA-KEN, Japan

Takashi Yoshioka 3 Kitakyushu, Japan
Takuma WADA 3 FUKUOKA-KEN, Japan
Shuji SONEZAKI 3 FUKUOKA-KEN, Japan
Mitsuyoshi KANNO 3 Chigasaki-shi, Japan

Satoru Matsumoto 3 Fukuoka-ken, Japan
Koki Kanehira 3 Fukuoka-Ken, Japan
Megumi Shimazu 3 Chigasaki-shi, Japan
Hironori HATONO 3 FUKUOKA-KEN, Japan

Recent patent applications by TOTO LTD.

TOTO LTD. based in KITAKYUSHU-SHI, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-05-28

US20260146430A1

Fixed constructions

FLUSH TOILET APPARATUS

#2 | 2026-05-28

US20260146429A1

Fixed constructions

FLUSH TOILET

#3 | 2026-03-05

US20260062909A1

Fixed constructions

FLUSH TOILET

#4 | 2026-03-05

US20260062908A1

Fixed constructions

FLUSH TOILET

#5 | 2026-03-05

US20260062905A1

Fixed constructions

FLUSH TOILET

#6 | 2026-03-05

US20260062904A1

Fixed constructions

FLUSH TOILET

#7 | 2025-10-02

US20250305267A1

Fixed constructions

FLUSH TOILET APPARATUS

#8 | 2025-10-02

US20250305265A1

Fixed constructions

FLUSH TOILET APPARATUS

#9 | 2025-10-02

US20250305264A1

Fixed constructions

FLUSH TOILET APPARATUS

#10 | 2025-07-31

US20250243654A1

Fixed constructions

FLUSH TOILET

#11 | 2025-04-03

US20250109581A1

Fixed constructions

FLUSH TOILET

#12 | 2025-03-13

US20250082310A1

Human necessities

FECES COLOR DETECTION DEVICE

#13 | 2025-03-06

US20250075476A1

Fixed constructions

WATER DISCHARGE DEVICE

#14 | 2025-02-20

US20250059749A1

Fixed constructions

FLUSH TOILET DEVICE

#15 | 2024-08-29 ✅ Patent 12,516,515 granted on 2026-01-06

US20240287779A1

Fixed constructions

FLUSH TOILET

#16 | 2024-08-29 ✅ Patent 12,410,599 granted on 2025-09-09

US20240287778A1

Fixed constructions

FLUSH TOILET

#17 | 2024-07-04

US20240216930A1

Performing operations; transporting

SHOWER DEVICE

#18 | 2024-02-22 ✅ Patent 12,178,411 granted on 2024-12-31

US20240057982A1

Human necessities

Feces color detection device

#19 | 2023-09-14 ✅ Patent 12,156,617 granted on 2024-12-03

US20230284845A1

Human necessities

Toilet apparatus

#20 | 2023-08-31

US20230272608A1

Fixed constructions

FLUSH TOILET

#21 | 2023-08-31 ✅ Patent 12,421,708 granted on 2025-09-23

US20230272607A1

Fixed constructions

FLUSH TOILET

#22 | 2023-08-03 ✅ Patent 12,126,889 granted on 2024-10-22

US20230247278A1

Electricity

Photography system and toilet apparatus

#23 | 2023-03-02 ✅ Patent 11,927,004 granted on 2024-03-12

US20230069634A1

Fixed constructions

Flush water tank device and flush toilet apparatus provided with the same

#24 | 2023-03-02 ✅ Patent 11,987,968 granted on 2024-05-21

US20230066417A1

Fixed constructions

Flush toilet device

#25 | 2023-03-02 ✅ Patent 12,031,311 granted on 2024-07-09

US20230065471A1

Fixed constructions

Flush water tank device and flush toilet apparatus provided with the same

#26 | 2022-09-01 ✅ Patent 11,788,268 granted on 2023-10-17

US20220275624A1

Fixed constructions

Flush toilet

#27 | 2022-09-01 ✅ Patent 11,828,051 granted on 2023-11-28

US20220275623A1

Fixed constructions

Flush toilet

#28 | 2022-09-01 ✅ Patent 11,643,799 granted on 2023-05-09

US20220275622A1

Fixed constructions

Flush toilet

#29 | 2022-09-01 ✅ Patent 11,885,110 granted on 2024-01-30

US20220275621A1

Fixed constructions

Flush toilet

#30 | 2022-03-10 ✅ Patent 12,037,779 granted on 2024-07-16

US20220074181A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#31 | 2022-03-10 ✅ Patent 11,421,410 granted on 2022-08-23

US20220074180A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#32 | 2021-12-09 ✅ Patent 11,421,409 granted on 2022-08-23

US20210381214A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#33 | 2021-11-11 ✅ Patent 11,478,114 granted on 2022-10-25

US20210345843A1

Human necessities

Toilet seat apparatus and excrement detection apparatus

#34 | 2021-09-30 ✅ Patent 11,560,705 granted on 2023-01-24

US20210301515A1

Fixed constructions

Washdown flush toilet

#35 | 2021-09-30 ✅ Patent 11,885,109 granted on 2024-01-30

US20210301513A1

Fixed constructions

Washdown flush toilet

#36 | 2021-09-02 ✅ Patent 11,371,230 granted on 2022-06-28

US20210270026A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#37 | 2021-09-02 ✅ Patent 11,371,229 granted on 2022-06-28

US20210270025A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#38 | 2021-09-02 ✅ Patent 11,365,535 granted on 2022-06-21

US20210270024A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#39 | 2021-09-02 ✅ Patent 11,332,917 granted on 2022-05-17

US20210270023A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus provided with the same

#40 | 2021-07-08 ✅ Patent 11,724,415 granted on 2023-08-15

US20210206021A1

Performing operations; transporting

Method for producing ceramic sintered body, and method and device for producing ceramic molded body

#41 | 2021-02-11 ✅ Patent 11,505,933 granted on 2022-11-22

US20210040718A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus equipped with same

#42 | 2021-02-11 ✅ Patent 11,186,975 granted on 2021-11-30

US20210040717A1

Fixed constructions

Flush water tank apparatus and flush toilet apparatus comprising flush water tank apparatus

#43 | 2020-10-01 ✅ Patent 11,136,752 granted on 2021-10-05

US20200308816A1

Fixed constructions

Flush toilet

#44 | 2020-08-20 ✅ Patent 10,934,992 granted on 2021-03-02

US20200263654A1

Mechanical engineering

Hydraulic generator, spouting apparatus, and method for manufacturing hydraulic generator

#45 | 2020-04-02 ✅ Patent 11,111,658 granted on 2021-09-07

US20200102728A1

Fixed constructions

Flush toilet

#46 | 2020-03-26 ✅ Patent 11,124,955 granted on 2021-09-21

US20200095756A1

Fixed constructions

Flush toilet

#47 | 2020-02-27 ✅ Patent 11,072,920 granted on 2021-07-27

US20200063426A1

Fixed constructions

Flush toilet

#48 | 2020-02-27 ✅ Patent 11,198,996 granted on 2021-12-14

US20200063425A1

Fixed constructions

Flush toilet

#49 | 2020-02-27 ✅ Patent 10,982,421 granted on 2021-04-20

US20200063418A1

Fixed constructions

Flush toilet

#50 | 2020-01-09 ✅ Patent 11,819,198 granted on 2023-11-21

US20200008786A1

Human necessities

Feces color detection device

#51 | 2019-10-03 ✅ Patent 10,724,222 granted on 2020-07-28

US20190301151A1

Fixed constructions

Flush toilet

#52 | 2019-03-14 ✅ Patent 10,753,076 granted on 2020-08-25

US20190078307A1

Fixed constructions

Flush toilet

#53 | 2019-02-21 ✅ Patent 11,027,454 granted on 2021-06-08

US20190054653A1

Performing operations; transporting

Method for producing ceramic sintered body, and method and device for producing ceramic molded body

#54 | 2018-10-04 ✅ Patent 10,704,243 granted on 2020-07-07

US20180282987A1

Fixed constructions

Flush toilet

#55 | 2018-07-19 ✅ Patent 10,526,775 granted on 2020-01-07

US20180202140A1

Fixed constructions

Toilet and toilet apparatus

#56 | 2018-07-12 ✅ Patent 10,323,400 granted on 2019-06-18

US20180195262A1

Fixed constructions

Wash-out type toilet

#57 | 2018-07-12 ✅ Patent 10,428,507 granted on 2019-10-01

US20180195261A1

Fixed constructions

Flush toilet

#58 | 2018-06-28 ✅ Patent 10,738,452 granted on 2020-08-11

US20180179747A1

Fixed constructions

Flush toilet

#59 | 2018-06-07 ✅ Patent 10,487,489 granted on 2019-11-26

US20180155913A1

Fixed constructions

Flush toilet bowl

#60 | 2018-06-07 ✅ Patent 10,407,890 granted on 2019-09-10

US20180155912A1

Fixed constructions

Flush toilet bowl

#61 | 2018-05-17 ✅ Patent 10,443,223 granted on 2019-10-15

US20180135291A1

Fixed constructions

Flush toilet

#62 | 2018-05-17 ✅ Patent 10,633,849 granted on 2020-04-28

US20180135290A1

Fixed constructions

Flush toilet having a bowl with a shelf

#63 | 2018-05-17 ✅ Patent 10,676,908 granted on 2020-06-09

US20180135289A1

Fixed constructions

Flush toilet

#64 | 2018-05-17 ✅ Patent 10,151,092 granted on 2018-12-11

US20180135288A1

Fixed constructions

Flush toilet apparatus

#65 | 2018-03-29 ✅ Patent 10,465,369 granted on 2019-11-05

US20180087256A1

Fixed constructions

Flush toilet

#66 | 2018-03-22 ✅ Patent 10,344,464 granted on 2019-07-09

US20180080208A1

Fixed constructions

Flush toilet

#67 | 2018-03-15 ✅ Patent 10,287,767 granted on 2019-05-14

US20180073236A1

Fixed constructions

Flush toilet

#68 | 2018-03-15 ✅ Patent 10,287,764 granted on 2019-05-14

US20180073230A1

Fixed constructions

Flush toilet

#69 | 2018-03-01 ✅ Patent 10,344,463 granted on 2019-07-09

US20180058057A1

Fixed constructions

Sanitary washing device and toilet apparatus

#70 | 2018-02-22 ✅ Patent 10,299,640 granted on 2019-05-28

US20180049606A1

Human necessities

Sanitary washing apparatus

#71 | 2017-12-28 ✅ Patent 10,287,766 granted on 2019-05-14

US20170370086A1

Fixed constructions

Flush toilet with rising flow path and shelf portion

#72 | 2017-12-28 ✅ Patent 10,774,511 granted on 2020-09-15

US20170370081A1

Fixed constructions

Flush toilet

#73 | 2017-12-28 ✅ Patent 10,604,921 granted on 2020-03-31

US20170370080A1

Fixed constructions

Flush toilet

#74 | 2017-09-28 ✅ Patent 10,077,547 granted on 2018-09-18

US20170275862A1

Fixed constructions

Flush toilet

#75 | 2017-09-21 ✅ Patent 10,072,407 granted on 2018-09-11

US20170268214A1

Fixed constructions

Flush toilet

#76 | 2017-09-14 ✅ Patent 10,030,376 granted on 2018-07-24

US20170260732A1

Fixed constructions

Flush toilet having a spout port on the bowl rim

#77 | 2017-09-14 ✅ Patent 10,145,096 granted on 2018-12-04

US20170260731A1

Fixed constructions

Flush toilet having a rim spout structure

#78 | 2017-09-14 ✅ Patent 10,151,094 granted on 2018-12-11

US20170260730A1

Fixed constructions

Flush toilet having a rim spout with a rim water passageway

#79 | 2017-08-24 ✅ Patent 10,053,849 granted on 2018-08-21

US20170241120A1

Fixed constructions

Flush toilet

#80 | 2017-08-24 ✅ Patent 10,337,183 granted on 2019-07-02

US20170241119A1

Fixed constructions

Flush toilet

#81 | 2017-08-10 ✅ Patent 10,619,337 granted on 2020-04-14

US20170226725A1

Fixed constructions

Flush toilet

#82 | 2017-03-16 ✅ Patent 10,136,772 granted on 2018-11-27

US20170071423A1

Human necessities

Toilet seat and method of manufacturing a toilet seat

#83 | 2017-02-02 ✅ Patent 10,202,748 granted on 2019-02-12

US20170030066A1

Fixed constructions

Sanitary washing device and toilet apparatus

#84 | 2016-11-24

US20160344041A1

Electricity

Method for Producing Cerium-Based Composite Oxide, Solid Oxide Fuel Cell, and Fuel Cell System

#85 | 2016-09-29 ✅ Patent 9,783,970 granted on 2017-10-10

US20160281342A1

Fixed constructions

Discharge valve apparatus, flush water tank apparatus comprising this discharge valve apparatus, and flush toilet comprising this flush water tank apparatus

#86 | 2016-09-22 ✅ Patent 10,017,929 granted on 2018-07-10