Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988652 | Process for recovering catalyst for use in preparing .alpha.-(4-isobutylphenyl)propionic acid | Yoshikazu Shima, Kazuo Tanaka | 1991-01-29 |
YS
Yoshifumi Sato
Hitachi: 9 patents #4,653 of 28,497Top 20%
Mitsubishi Gas Chemical Company: 8 patents #246 of 1,727Top 15%
Nippon Electric Glass Co.: 3 patents #132 of 437Top 35%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Sony: 2 patents #12,963 of 25,231Top 55%
Toray Industries: 1 patents #2,000 of 3,690Top 55%
Overall (All Time): #152,541 of 4,157,543Top 4%
26
Patents All Time