SH

Seiichi Hayakawa

HD Hitachi Power Semiconductor Device: 2 patents #16 of 79Top 25%
AC Asmo Co.: 1 patents #369 of 745Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
NC Nippon Wiper Blade Co.: 1 patents #6 of 31Top 20%
📍 Kazo, JP: #37 of 138 inventorsTop 30%
Overall (All Time): #959,237 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11539361 Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicle Toru Masuda, Yuji Takayanagi, Takae Shimada, Takashi Wada 2022-12-27
11496041 Gate drive device, gate drive method, power semiconductor module, and electric power conversion device Daisuke IKARASHI, Toru Masuda, Yuji Takayanagi, Masamitsu Inaba 2022-11-08
8519561 Power module and vehicle-mounted inverter using the same Katsunori Azuma, Mutsuhiro Mori, Michiaki Hiyoshi, Koji Sasaki, Isamu Yoshida 2013-08-27
8422235 Semiconductor device, and power conversion device using semiconductor device Katsunori Azuma, Mutsuhiro Mori, Kinya Nakatsu, Fusanori Nishikimi 2013-04-16
6665903 Wiper arm having cover Kazuhide Tsukamoto, Yuji Morita, Takanari Itou, Takashi Kuboichi, Kazuhito Yokoo 2003-12-23