Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047882 | Rotary head cylinder for video tape recorder | Hiroyoshi Kawai, Yoshio Manabe, Tsunenori Iwama, Shinji Ozaki | 1991-09-10 |
| 4353255 | Method for determining shape of crack | Yoshio Fukuda, Kunio Enomoto | 1982-10-12 |