Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865827 | Process for removing nitrogen oxides | Takahiro Tachi, Hiroshi Kawagoshi, Akira Kato, Hisao Yamashita, Shinpei Matsuda +2 more | 1989-09-12 |
| 4810597 | Fuel cell comprising a device for detecting the concentration of methanol | Teruo Kumagai, Tatsuo Horiba, Seiji Takeuchi, Kazuo Iwamoto, Kunko Kitami +1 more | 1989-03-07 |