Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5812044 | Electromagnetic clutch | — | 1998-09-22 |
| 5357391 | Audio tape cassette, audio tape and production method of the same | Yoshiharu Katsuta, Kouzaburo Sato, Yoshiyuki Takahira, Yasuo Yamasaki | 1994-10-18 |