Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8491847 | Apparatus of catalyst for purifying exhaust gas and method for purifying exhaust gas | Yoshiro Hirasawa, Takashi Yamada | 2013-07-23 |
| 8057745 | Catalyst system for vehicle exhaust gas purification devices, exhaust gas purification device using the same, and method for purification of exhaust gases | Yasunori Toyoda, Yoshiro Hirasawa | 2011-11-15 |
| RE35279 | Hydantoin derivatives | Ei Mochida, Kimihiro Murakami, Kazuo Kato, Jun Okuda, Ichitomo Miwa | 1996-06-18 |
| 5232936 | Hydantoin derivatives | Ei Mochida, Kimihiro Murakami, Kazuo Kato, Jun Okuda, Ichitomo Miwa | 1993-08-03 |
| 5202339 | Hydantoin derivatives | Ei Mochida, Kimihiro Murakami, Kazuo Kato, Jun Okuda, Ichitomo Miwa | 1993-04-13 |
| 5096866 | Supported platinum alloy electrocatalyst | Takashi Itoh | 1992-03-17 |
| 5004751 | Hydantoin derivatives | Ei Mochida, Kimihiro Murakami, Kazuo Kato, Jun Okuda, Ichitomo Miwa | 1991-04-02 |
| 4970128 | Supported platinum alloy electrocatalyst | Takashi Itoh | 1990-11-13 |
| 4914099 | Hydantoin derivatives as aldose reductase inhibitors | Ei Mochida, Kazuo Kato, Ichitomo Miwa, Jun Okuda | 1990-04-03 |
| 4794054 | Platinum alloy electrocatalyst and acid-electrolyte fuel cell electrode using the same | Takashi Ito, Shigemitsu Matsuzawa | 1988-12-27 |
| 4716087 | Platinum-copper alloy electrocatalyst and acid-electrolyte fuel cell electrode using the same | Takashi Ito, Shigemitsu Matsuzawa | 1987-12-29 |