Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5187306 | Process for producing unsaturated carbamic acid esters | Noriyuki Tsuboniwa, Satoshi Urano | 1993-02-16 |
| 4307859 | Automatic message announcement system | Yoshiro Hayashi, Akira Sugihara, Takaki Shimura, Kozo Ishikawa, Kiyoshi Wada +1 more | 1981-12-29 |
| 4276572 | Automatic message announcement system | Yoshiro Hayashi, Akira Sugihara, Takaki Shimura, Kozo Ishikawa, Kiyoshi Wada +1 more | 1981-06-30 |