Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316466 | Disc molding apparatus | Toshifumi Tanaka, Toshihiko Ishida | 1994-05-31 |
| 5092758 | Disc molding apparatus | Toshifumi Tanaka, Toshihiko Ishida | 1992-03-03 |
| 4511099 | Hub of a tape cassette | Eiichi Nunokawa, Toshihiko Ishida | 1985-04-16 |