Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834137 | Safety device for vessels of compressed gases | Toshiaki Kawaguchi, Tsutomu Sasaki, Takaaki Fukumoto, Yutaka Funada, Masaharu Hama +1 more | 1989-05-30 |
IK
Isao Kubota
Overall (1989): #102,119 of 140,708Top 75%
1
Patents 1989