Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021212 | Apparatus for polishing edge surface of glass substrate for magnetic recording media, and process for producing glass substrate | Masami Kaneko, Mitsuhiko Komakine | 2011-09-20 |
| 4998776 | Shield tunneling with optional section and machine | Masami Kozaki, Toshinori Asahi, Chiyoaki Ono, Seiji Iwasa, Taizou Fukunaga +1 more | 1991-03-12 |