Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436067 | Freshness keeping sheet | Eiji Tanaka | 1995-07-25 |
| 5291038 | Reflective type photointerrupter | Masumi Nakamichi, Masahiko Kimoto, Shohichi Kato, Shoichi Kondo | 1994-03-01 |