MY

Masaaki Yamaguchi

TO Toyota: 21 patents #1,063 of 26,838Top 4%
Honda Motor Co.: 17 patents #852 of 21,052Top 5%
AC Aisin Aw Industries Co.: 4 patents #15 of 83Top 20%
Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%
AC Aisin Aw Co.: 2 patents #784 of 2,011Top 40%
KC Kanzaki Kokyukoki Mfg. Co.: 2 patents #92 of 208Top 45%
TC Ts Tech Co.: 2 patents #244 of 561Top 45%
KC Kokoku Intech Co.: 1 patents #9 of 46Top 20%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
KS Komatsu Shisakusho: 1 patents #409 of 885Top 50%
Overall (All Time): #59,665 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
12319220 Vehicle seat Keita Wakesu, Toru Amino, Katsuya Isomura, Kenji Matsuoka, Kenta Ebara +4 more 2025-06-03
12269379 Conveyance seat Kotaro Tomioka, Sadahiro KINOSHITA, Tsubasa Hitomi 2025-04-08
11635085 Controller of fan coupling device Shoichi Akiyama, Noboru Takagi, Daichi Yamazaki 2023-04-25
11566558 Controller of fan coupling device Toshio Takaoka, Noboru Takagi, Shoichi Akiyama 2023-01-31
11499510 Engine system and method of controlling the engine system Koji Ichikawa, Hisayuki Itoh, Hirokazu Kato 2022-11-15
11434808 Controller of fan coupling device Shoichi Akiyama, Noboru Takagi, Daichi Yamazaki 2022-09-06
11359586 Hybrid vehicle Hisayuki Itoh, Koji Ichikawa, Hirokazu Kato 2022-06-14
11199124 Cooling apparatus for internal combustion engine Noboru Takagi, Hirokazu Kato, Rihito Kaneko, Naoto Hisaminato, Hirokazu Ando +6 more 2021-12-14
11149705 Engine controller and engine control method Norihito Hanai, Takayuki Hosogi, Kenji Senda, Rihito Kaneko 2021-10-19
11143327 Cooling apparatus for internal combustion engine Noboru Takagi, Hirokazu Kato, Rihito Kaneko, Naoto Hisaminato, Hirokazu Ando +6 more 2021-10-12
11035324 Vehicle Hisayuki Itoh, Koji Ichikawa, Hirokazu Kato 2021-06-15
11028763 Engine cooling device Noboru Takagi, Kazuki Kato, Toshio Takaoka 2021-06-08
10961898 Cooling controller and control method for cooling device Rihito Kaneko, Noboru Takagi, Naoto Hisaminato, Mitsuru Yamaguchi, Hirokazu Ando +2 more 2021-03-30
10927747 Controller for cooling system of internal combustion engine Rihito Kaneko, Noboru Takagi, Naoto Hisaminato, Mitsuru Yamaguchi, Hirokazu Andoh +1 more 2021-02-23
10927748 Flow passage device and engine cooling system Masafumi Yoshida, Naoto Yumisashi, Koji Nunami, Masahiro Yoshida, Hirotaka Watanabe +4 more 2021-02-23
10851757 Ignition timing controller and control method for internal combustion engine Takayuki Hosogi, Rihito Kaneko, Kenji Senda, Norihito Hanai, Hisayuki Ito 2020-12-01
10808597 Control device for internal combustion engine Yoshihiro Furuya, Rihito Kaneko, Noboru Takagi, Hirokazu Ando, Mitsuru Yamaguchi 2020-10-20
10794478 Starting device and manufacturing method of the same Kenichi MUNEDA, Takao Shimada, Fumimasa Kasashima, Keigo GOTO, Kazuyoshi Ito +2 more 2020-10-06
10619554 Engine cooling apparatus Noboru Takagi, Rihito Kaneko, Hirokazu Ando, Mitsuru Yamaguchi, Yoshihiro Furuya 2020-04-14
10508588 Cooling device for internal combustion engine Rihito Kaneko, Noboru Takagi, Naoto Hisaminato, Mitsuru Yamaguchi, Hirokazu Andoh +1 more 2019-12-17
10174686 Control device and control method for internal combustion engine Tomohiro Nozaki 2019-01-08
10077826 Manufacturing method for fluid coupling and fluid coupling Naohisa Momiyama, Masayoshi Kato, Hiroshi Asane, Hitoshi Matsuura, Kiyoshi Makihira +6 more 2018-09-18
8439762 Torsional damper Yoshito Takeshita, Fumiaki Doseki, Taku Suzuki 2013-05-14
8398492 Damper having torque limiter function Yoshito Takeshita, Fumiaki Doseki, Masahiro Yamaguchi, Taku Suzuki, Tetsuya Onaga 2013-03-19
7624993 Dual-membered suctional gasket Yutaka Kikuchi, Hirofumi Hino, Masaki Ueno, Yasuaki Nagai 2009-12-01