Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885743 | Electrophotographic toner and process for the preparation thereof | Hiroko Sakurai, Kazuo Itoya, Kinji Shinzo, Yukiko Soma, Kenichi Hirabayashi +4 more | 1999-03-23 |
| 4765983 | Adhesive medical tapes for oral mucosa | Yoshihiro Sawai | 1988-08-23 |