Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324815 | Screen-printing mask and method | Minoru Mitani, Kiyoharu Hashimoto, Tochikiyo Miyazaki, Otokuma Hashimoto, Hideki Mori | 1982-04-13 |
| 4242401 | Screen-printing mask | Minoru Mitani, Kiyoharu Hashimoto, Toshikiyo Miyazaki, Otokuma Hashimoto, Hideki Mori | 1980-12-30 |