Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991727 | Voice reproducing apparatus for personal use | Hiroaki Kato | 1999-11-23 |
| 4499043 | Process for producing a cellulose ester support | Masao Yabe, Kyoichi Naruo | 1985-02-12 |