Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4763448 | Centerless grinding machine | Junichi Yoshioka, Masakazu Miyashita | 1988-08-16 |
| 4528074 | Method for producing a grinding wheel by electroplating | Masakazu Miyashita, Akira Kanai, Junichi Yoshioka, Koichi Koizumi, Fukuo Hashimoto +1 more | 1985-07-09 |
| 4275527 | Centerless grinding machine | Tohru Sugino | 1981-06-30 |