Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797492 | Information storage medium packaging body | Seizo Seki, Takashi Asakura | 1998-08-25 |
| 4551360 | Method of offset printing on polypropylene resin cases for video tape cassettes | — | 1985-11-05 |