Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339676 | Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing | Nobutaka Amada, Hitoaki Owashi, Takaharu Noguchi, Noriyuki Kumasaka | 2002-01-15 |
| 6195499 | Magnetic recording and/or reproducing apparatus | Nobutaka Amada, Hiroo Okamoto, Hideo Nishijima, Kuniaki Hirayama | 2001-02-27 |
| 6104862 | Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing | Nobutaka Amada, Hitoaki Owashi, Takaharu Noguchi, Noriyuki Kumasaka | 2000-08-15 |
| 5363263 | Coil assembly for rotary magnetic head apparatus | Toshio Ohji, Juichi Morikawa | 1994-11-08 |
| 5193045 | Helical scan type magnetic recording and/or reproducing apparatus having combination type video head and flying erase head for low vibration | Masanori Kochi, Juichi Morikawa, Makoto Ibe | 1993-03-09 |
| 5126906 | Rotary magnetic head device with rotary transformer having high coupling coefficient | Toshio Ohji, Juichi Morikawa | 1992-06-30 |
| 5067038 | Rotary magnetic head device having two different kinds of heads | Toshio Tsuchiya, Mitsuo Abe, Nobuo Arai, Masumi Hisatomi | 1991-11-19 |
| 5057944 | Multiplex rotating magnetic head system for multiply recording and erasing audio and video signals | Shinji Ozaki, Juichi Morikawa, Mashanori Kochi, Makoto Ibe | 1991-10-15 |
| 5047885 | Magnetic head formed of thin metal film including a chevron shape | Hitoshi Idegami, Yosio Manabe, Kenkichi Inada | 1991-09-10 |
| 4803338 | Magnetic head having improved track width narrowing grooves | Noriyuki Kumasaka, Shigekazu Otomo, Takeo Yamashita, Juichi Morikawa | 1989-02-07 |
| 4439794 | Magnetic head | Yoshihiro Shiroishi, Hideo Fujiwara, Takeshi Kimura, Noriyuki Kumasaka, Nobuo Kobayashi +4 more | 1984-03-27 |