TI

Tohru Ishikawa

HI Hitachi: 30 patents #925 of 28,497Top 4%
HS Hitachi Automotive Systems: 24 patents #26 of 1,636Top 2%
HC Hitachi Car Engineering Co.: 4 patents #107 of 465Top 25%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
📍 Hitachinaka, JP: #48 of 2,447 inventorsTop 2%
Overall (All Time): #44,485 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 51–56 of 56 patents

Patent #TitleCo-InventorsDate
6092743 Fuel injection valve Koji Shibata, Yasuo Namaizawa, Atsushi Sekine, Yuichi Sasaki 2000-07-25
5915352 In-cylinder fuel injection device and internal combustion engine mounting the same Yoshio Okamoto, Minoru Ohsuga, Masahiro Souma 1999-06-29
5714729 TIG welding method and welding torch therefor Yuji Yamada, Yuichi Motora, Yoichi Masuda, Toshihiro Yasuda 1998-02-03
5346137 Electromagnetic fuel injection valve Yoshio Okamoto, Hisanobu Kanamaru, Hitoshi Maeda, Satoshi Suzuki, Tokuo Kosuge +5 more 1994-09-13
5012982 Electromagnetic fuel injector Masahiro Souma, Tokuo Kosuge, Hisanobu Kanamaru, Mizuho Yokoyama, Yasuo Kamituma 1991-05-07
4843546 POS system with means for automatically reconfiguring the center PLU and local files Kazufumi Yoshida, Mikio Nogami 1989-06-27