Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873760 | Vessel lid mounting and demounting apparatus | Naoto Watanabe, Akira Tanaka, Takayuki Matsumoto, Yutaka Ohmura | 1989-10-17 |
| 4747697 | Fluid mixer | — | 1988-05-31 |
| 4533015 | Sound arresting device | — | 1985-08-06 |
| 4466741 | Mixing element and motionless mixer | — | 1984-08-21 |
| 4294396 | Method for manufacturing brazed parts | Toshiharu Obata, Toshimasa Hagyu | 1981-10-13 |