TM

Tatsuo Matsumura

KJ Knorr-Bremse Steering System Japan: 3 patents #1 of 4Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KJ Knorr-Bremse Commercial Vehicle Systems Japan: 1 patents #5 of 9Top 60%
UJ Unisia Jecs: 1 patents #221 of 395Top 60%
Overall (All Time): #692,941 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11945522 Vehicle-mounted apparatus Yukio Uchida 2024-04-02
11691666 Power steering apparatus 2023-07-04
10988167 Power steering apparatus 2021-04-27
10370028 Power steering device Masaki Watanabe 2019-08-06
7791295 Field weakening control apparatus for permanent magnet motor and electric power steering using same Kentaro Oi, Kazuaki Tobari, Yoshitaka Iwaji, Mitsuo Sasaki 2010-09-07
7648003 Power steering system Ayumu Miyajima, Isamu Tsubono, Takaomi Nishigaito, Toru Takahashi, Mitsuo Sasaki +1 more 2010-01-19
5937805 Apparatus and method for controlling valve timing of engine 1999-08-17