TT

Taro Tsujimura

JR Japanese National Railways: 1 patents #19 of 102Top 20%
MC Mitsubishi Aluminum Co.: 1 patents #48 of 121Top 40%
RI Railway Technical Research Institute: 1 patents #70 of 233Top 35%
TW The Japan Steel Works: 1 patents #307 of 643Top 50%
Overall (All Time): #2,317,500 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5028494 Brake disk material for railroad vehicle Shuji Manabe, Akira Watanabe, Yoshihiro Sugai 1991-07-02
4760900 Friction brakes Takashi Shima, Katuro Takasawa, Tomoharu Ashikawa, Yasuo Takenaka, Shunichi Tomizuka 1988-08-02