Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155258 | Substituted benzoic acids | Shigeru Futamura, Shinichiro Takigawa, Norio Tanaka, Shuzo Shinke | 1992-10-13 |
| 5078236 | Power unit for hydraulic elevator | Motoo Shimoaki, Yukihiro Takigawa, Hiroshi Usida, Tatsuro Miyake | 1992-01-07 |