Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628951 | Method of producing a coreless armature | Goro Kitajima, Naohiro Hanaoka | 1997-05-13 |
| 5460503 | Mold for forming a coreless armature | Goro Kitajima, Naohiro Hanaoka | 1995-10-24 |
| 5304884 | Molded armature | Goro Kitajima, Naohiro Hanaoka | 1994-04-19 |
| 4434329 | Microphone device built in a tape recorder | — | 1984-02-28 |
| 4420216 | Connecting device | Kazuyasu Motoyama, Toshihiro Nakao, Yoshio Tomizawa | 1983-12-13 |
| 4367501 | Bearing device for capstan shaft | — | 1983-01-04 |