Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162520 | Electric vehicle control device, train control system, and ground device | Yoshinori Yamashita, Osamu Arai, Takashi Maeda | 2024-12-10 |
| 5059379 | Method of resin sealing semiconductor devices | Yasutsugu Tsutsumi, Sueyoshi Tanaka, Yutaka Morita, Hideaki Seuzaki, Hiromichi Yamada | 1991-10-22 |
| 4983111 | Device for resin sealing semiconductor devices | Yasutsugu Tsutsumi, Sueyoshi Tanaka, Yutaka Morita, Hideaki Suezaki, Hiromichi Yamada | 1991-01-08 |
| 4915608 | Device for resin sealing semiconductor devices | Yasutsugu Tsutsumi, Sueyoshi Tanaka, Yutaka Morita, Hideaki Suezaki, Hiromichi Yamada | 1990-04-10 |
| 4788679 | Packet switch with variable data transfer rate links | Hideki Kataoka, Shiro Kikuchi, Naoaki Yamanaka, Hajime Sakakibara, Miki Hirano | 1988-11-29 |
| 4254498 | Time division telephone switching systems | Kanzi Tawara, Kazuo Hamazato, Tetsuaki Egawa | 1981-03-03 |