Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881948 | Gas shutoff apparatus | Shinichi Nakane, Takashi Uno, Hiroshi Horii, Mitsuo Namba, Reppei Uematsu | 1989-11-21 |
SK
Shinzo Kato
Overall (1989): #57,656 of 140,708Top 45%
1
Patents 1989