Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11605706 | Semiconductor device | — | 2023-03-14 |
| 10923561 | Semiconductor device | — | 2021-02-16 |
| 10443557 | Igniter | Fujiyuki Iwamoto, Shunichi Takeda | 2019-10-15 |
| 9920735 | Drive control circuit, and ignition device for internal combustion engine | — | 2018-03-20 |
| 7800174 | Power semiconductor switching-device and semiconductor power module using the device | Naohito Kato, Yutaka Tomatsu | 2010-09-21 |
| 5525568 | Supported metallic catalyst and manufacturing method thereof | Kenzo Kobayashi, Takahide Matsuo, Norihira Uozumi | 1996-06-11 |
| 5117434 | Metal vapor laser apparatus | Tuneyoshi Oohashi, Akira Wada, Toshiharu Shirakura, Toshimichi Kichikawa, Hiroyuki Sugawara | 1992-05-26 |
| 4991180 | Metallic vapor laser apparatus | Hiroyuki Sugawara, Akira Wada, Toshiharu Shirakura, Tuneyoshi Oohashi, Toshimichi Kichikawa | 1991-02-05 |
| 4629664 | Liquid fuel cell | Tsutomu Tsukui, Saburo Yasukawa, Toshio Shimizu, Ryota DOI, Shuzou Iwaasa | 1986-12-16 |
| 4588660 | Fuel cell | Toshio Shimizu, Takanori Satoo, Ryota DOI, Tsutomu Tsukui, Yoshio Yoshioka | 1986-05-13 |
| 4562123 | Liquid fuel cell | Toshio Shimizu, Takanori Satou, Tsutomu Tsukui, Ryouta Doi | 1985-12-31 |
| 4562322 | SF.sub.6 Gas arc extinguishing electric apparatus and process for producing the same | Isamu Sone, Kunio Hirasawa, Yoshio Yoshioka, Akio Nishikawa, Hiroshi Suzuki +2 more | 1985-12-31 |
| 4217514 | Stator structure for induction motor | Yuzuru Simazaki, Ryota DOI, Yuji Kumagai, Ikou Fukazawa | 1980-08-12 |