Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7038143 | Wiring board, fabrication method of wiring board, and semiconductor device | Shigeru Utsumi, Hirofumi Fujioka, Seiji Oka, Taichi Kase, Takeshi Muraki | 2006-05-02 |
| 6629362 | Method of manufacturing a circuit print board | Takashi Kobayashi, Seiji Oka, Kazuo Funahashi | 2003-10-07 |
| 4991075 | Low-switching loss DC-DC converter | Akira Saitou, Osamu Takahashi, Seigou Tsukada, Yasuyuki Sohara, Hidehiko Sugimoto | 1991-02-05 |
| 4645993 | Position control method | Akira Naito, Tetsuji Kodama, Hironobu Tsutsumi | 1987-02-24 |
| 4646354 | Area measuring apparatus using television | Akira Naito, Tetsuzi Kodama, Hironobu Tsutsumi, Hiroshi Ushio | 1987-02-24 |