Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4932221 | Air-cooled cooling apparatus | Yasuo Shimizu | 1990-06-12 |
| 4834137 | Safety device for vessels of compressed gases | Toshiaki Kawaguchi, Tsutomu Sasaki, Takaaki Fukumoto, Yutaka Funada, Isao Kubota +1 more | 1989-05-30 |