Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274519 | Magnetic recording apparatus with air vane actuated regulating member for head slider | Hiroaki Saito, Hisashi Kano, Takao Matsunami, Shinji Shuto | 1993-12-28 |
| 4809105 | Flexible recording medium tensioning magnetic recording head | Wataru Watanabe, Kiyoshi Kobata | 1989-02-28 |
| 4641214 | Rotary head assembly with pump-out type spiral grooves for more stable tape running | Hiroyuki Naka, Yasuo Sakurai, Takashi Ichiyanagi, Masaru Kishimoto | 1987-02-03 |
| 4596169 | Spindle device | Mamoru Inoue, Shoji Hara, Morimichi Hasegawa | 1986-06-24 |
| 4584916 | Lead face machining apparatus | Mamoru Inoue, Morimichi Hasegawa, Shozi Hara, Yoshiyuki Kubota, Haruhiko Kitagawa | 1986-04-29 |
| 4584915 | Control system for a cam follower and tool | Takashi Ichiyanagi | 1986-04-29 |
| 4552045 | Positioning device | Mamoru Inoue, Shoji Hara, Morimichi Hasegawa | 1985-11-12 |
| 4525757 | Rotary head assembly | Takashi Ichiyanagi, Yasuo Sakurai, Hirouki Naka, Koji Nakagawa | 1985-06-25 |
| 4459627 | Method of producing a tape guide device of a rotary head type video tape recorder and the product thereof | Haruhiko Kitagawa, Hiroyuki Ito, Takashi Ichiyanagi | 1984-07-10 |
| 4354686 | Contact-free sealing member | Takashi Ichiyanagi | 1982-10-19 |
| 4310130 | Method and apparatus for taking up tape | Takashi Ichiyanagi, Hidetoshi Kawa, Katsuyuki Yamamoto | 1982-01-12 |