Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881948 | Gas shutoff apparatus | Takashi Uno, Hiroshi Horii, Shinzo Kato, Mitsuo Namba, Reppei Uematsu | 1989-11-21 |
| 4866633 | Gas shutoff apparatus | Takashi Uno, Kazutaka Asano | 1989-09-12 |