Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251080 | Tape loading and biasing device for recording or reproducing apparatus | Hidetoshi Matsuoka, Junji Kobayashi, Hiroo Edakubo | 1993-10-05 |
| 5220475 | Rotary head drum unit with grooves or protrusions on a stationary drum for lessening tape contact during rewinding | Hiroo Edakubo, Toshihiko Nakajima, Osamu Nagatsuka, Akira Tomitaka, Kiyoshi Kumagai | 1993-06-15 |
| 5153790 | Recording or reproducing apparatus having a reel braking member | Junji Kobayashi, Hidetoshi Matsuoka, Hiroo Edakubo | 1992-10-06 |
| 5107380 | Rotary head type recording or reproducing apparatus detecting the slack of the recording medium | Junji Kobayashi, Hidetoshi Matsuoka, Osamu Nagatsuka, Hiroo Edakubo, Toshihiko Nakajima | 1992-04-21 |
| 5096546 | Process for treating surface of copper foil | Nobuo Kitamura, Yukio Kodama, Katsuhiro Yoshimura | 1992-03-17 |
| 4917328 | Reel driving mechanism | Junji Kobayashi, Takashi Kimura, Masahiro Ando, Hidetoshi Matsuoka | 1990-04-17 |
| 4782403 | Recording apparatus | Masahide Hasegawa | 1988-11-01 |
| 4611255 | Rotating head assembly | Tatsuzo Ushiro, Takashi Narasawa, Hiroo Edakubo | 1986-09-09 |
| 4603359 | Rotary head device | Takashi Narasawa, Tatsuzo Ushiro, Hiroo Edakubo | 1986-07-29 |
| 4603360 | Rotatable cylinder with plural heads having diverse azimuth angle gap arrangements | Masahide Hasegawa, Takashi Narasawa | 1986-07-29 |
| 4580183 | Information recording and/or reproducing apparatus | Masaya Maeda, Tatsuzo Ushiro, Takashi Kimura, Hiroshi Watanabe, Masahide Hasegawa | 1986-04-01 |
| 4571641 | Information recording device | Makoto Takayama | 1986-02-18 |
| 4549236 | Information recording device for video and sound | Makoto Takayama | 1985-10-22 |
| 4507688 | Information recording apparatus | Makoto Takayama | 1985-03-26 |
| 4480273 | Information recording device | Makoto Takayama | 1984-10-30 |
| 4391513 | Range finding optical mechanism | — | 1983-07-05 |
| 4191460 | Camera with automatic focus adjustment device | — | 1980-03-04 |