SS

Shigeru Sugayama

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HD Hitachi Power Semiconductor Device: 2 patents #16 of 79Top 25%
HC Hitachi Haramachi Electronics Co.: 1 patents #22 of 64Top 35%
HS Hitachi Haramachi Semi-Conductor: 1 patents #23 of 40Top 60%
📍 Ibaraki, JP: #1,651 of 6,779 inventorsTop 25%
Overall (All Time): #840,900 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10069436 Synchronous rectifier and alternator using the same Tetsuya Ishimaru, Kohhei Onda, Shinichi Kurita 2018-09-04
9831145 Semiconductor device, and alternator and power converter using the semiconductor device Tetsuya Ishimaru, Mutsuhiro Mori, Shinichi Kurita, Junichi Sakano, Kohhei Onda 2017-11-28
6288597 Temperature sensing circuit for voltage drive type semiconductor device and temperature sensing method therefore, and drive-device and voltage drive type semiconductor device using the same Hiroyuki Hasegawa, Toshiki Kurosu 2001-09-11
4833587 Semiconductor switching circuit Tadaaki Kariya, Tatsuo Shimura, Sigeo Tomita 1989-05-23
4740723 Semiconductor switch Tatsuo Shimura, Tadaaki Kariya, Sigeo Tomita 1988-04-26
4728825 Bidirectional MOS linear switch Tadaaki Kariya, Tatsuo Shimura, Sigeo Tomita 1988-03-01