Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161135 | Magneto-optical disc memory apparatus including a header signal and magneto-optical signal level adjusting circuit | Atsushi Saito, Masahiro Ojima | 1992-11-03 |
| 5105728 | Balanced variable-displacement compressor | Isao Hayase, Yasushi Muramoto, Kenji Tojo, Kunihiko Takao, Atsuo Kishi +3 more | 1992-04-21 |
| 5063829 | Variable displacement swash plate type compressor | Kunihiko Takao, Kenji Tojo, Isao Hayase, Yukio Takahashi | 1991-11-12 |
| 4985881 | Record carrier for a magneto-optical disc memory having guide grooves of a plurality of tracks disposed with a predetermined relation to light spot diameter | Atsushi Saito, Masahiro Ojima | 1991-01-15 |
| 4953152 | Mastering machine for making an on-land recording master disk with two beam alignment servo loops | Hitoshi Watanabe, Toshiaki Taii, Yoshito Tsunoda | 1990-08-28 |
| 4835756 | Optical memory apparatus using an optical disc having guide-grooves of V-shape and predetermined optical depth and access method therefor | Toshimitsu Kaku, Takeshi Maeda, Shigeru Nakamura, Kazuo Shigematsu, Yoshito Tsunoda | 1989-05-30 |
| 4815943 | Variable displacement wobble plate compressor with capacity control valve | Kenichi Kawashima, Kenji Emi, Akira Tezuka, Kosaku Sayo, Toshikazu Ito +9 more | 1989-03-28 |
| 4794736 | Arrangement for mechanically and accurately processing a workpiece with a position detecting pattern or patterns | Shigehiro Fuwa, Naoki Fujii, Toshikazu Hatsuse, Toshiaki Wada, Junichi Nakaoka | 1989-01-03 |
| 4782712 | Variable displacement compressor | Yukio Takahashi, Kenichi Kawashima, Atsushi Suginuma, Kunihiko Takao | 1988-11-08 |
| 4748609 | Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset | Seiji Yonezawa, Masatoshi Ohtake, Toshiaki Tsuyoshi, Kazuo Ichino, Harushige Nakagaki | 1988-05-31 |
| 4723903 | Stamper for replicating high-density data recording disks | Shinji Okazaki | 1988-02-09 |
| 4707816 | Method and apparatus for composite wobbled and push-pull tracking servo system | Seiji Yonezawa, Masatoshi Ohtake, Toshiaki Tsuyoshi, Kazuo Ichino, Harushige Nakagaki | 1987-11-17 |
| 4339201 | Temperature control system for an element analyzer | Makoto Yasuda, Seiichi Murayama | 1982-07-13 |
| 4298284 | Method and apparatus for measuring magnetooptic anisotropy | Manabu Yamamoto, Seiichi Murayama, Kounosuke Oishi | 1981-11-03 |