Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648825 | Phase inversion control pulse generating circuit | Akira Kanai, Masaki Yamakawa, Shoichi Sugihara, Masaharu Hayakawa, Kiyotaka Yamamoto +1 more | 1997-07-15 |
| 5574516 | Color image display device | Akira Kanai, Masaki Yamakawa, Shoichi Sugihara, Masaharu Hayakawa, Kiyotaka Yamamoto +1 more | 1996-11-12 |
| 5543854 | Video signal processing apparatus, video signal processing method, and video signal recording/reproduction apparatus | Yasuhiro Morikawa, Tomonori Ohashi | 1996-08-06 |
| 5486955 | Video tape recorder in which a video signal to be displayed is produced by utilizing a single main magnetic head | — | 1996-01-23 |
| 5179477 | Video tape recorder | — | 1993-01-12 |
| 4970611 | Variable tape speed head-carrier drum control apparatus | Masanori Kojima, Akira Sano | 1990-11-13 |