Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866633 | Gas shutoff apparatus | Shinichi Nakane, Takashi Uno | 1989-09-12 |
KA
Kazutaka Asano
Overall (1989): #91,185 of 140,708Top 65%
1
Patents 1989