Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7154705 | Magnetic head for rotary head drum | Jiro Fujiwara, Hikaru Hirata | 2006-12-26 |
| 7099119 | Magnetic head, method for recording/reproducing tape-like magnetic recording medium, and rotary magnetic head mechanism | Jun Takayama, Yasuo Sugizaki | 2006-08-29 |
| 7016148 | Magnetic head for rotary head drum | Jiro Fujiwara, Hikaru Hirata | 2006-03-21 |
| 5963388 | Signal recording or reproducing apparatus | Teruyuki Yoshida | 1999-10-05 |
| 5086361 | Rotary head drum for video tape recorder | Hideaki Kawada, Yoshiaki Sugiyama | 1992-02-04 |
| 4887775 | Reel table assembly | Hideo Kawamoto | 1989-12-19 |