KH

Kenji Hirakawa

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
GI Gs Yuasa International: 2 patents #193 of 491Top 40%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #654,507 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8323811 Lead acid storage battery Kazuma Saito, Motoshi Kiribayashi 2012-12-04
8257856 Valve-regulated lead-acid battery and production method thereof Kazuma Saito 2012-09-04
7272460 Method for designing a manufacturing process, method for providing manufacturing process design and technology computer-aided design system Tatsuo Akiyama, Masahiro Abe, Shigeru Komatsu 2007-09-18
5204276 Method of manufacturing semiconductor device Hiroomi Nakajima, Nobuyuki Itoh, Hiroyuki Nihira, Eiryo Tsukioka, Shin-ichi Taka +3 more 1993-04-20
5086005 Bipolar transistor and method for manufacturing the same 1992-02-04
5065210 Lateral transistor structure for bipolar semiconductor integrated circuits 1991-11-12
5028550 Method of manufacturing semiconductor device 1991-07-02
4471990 Railroad car wheel Haruo Sakamoto, Shigeru Suzuki, Shigeo Sugawara 1984-09-18