Issued Patents All Time
Showing 151–173 of 173 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189655 | Optical head for optical disk recording/reproducing apparatus including modified Wollaston prism | Nobuo Ogata, Tetsuo Ueyama, Yoshihiro Sekimoto, Toshiyuki Tanaka | 1993-02-23 |
| 5172359 | System for recording digital data | — | 1992-12-15 |
| 5155715 | Reproducing apparatus | Tetsuo Ueyema, Kenji Ohta, Shozou Kobayashi | 1992-10-13 |
| 5134112 | Heat transfer sheet | Jumpei Kanto, Hiroshi Eguchi, Minoru Furuse, Mineo Yamauchi | 1992-07-28 |
| 5085496 | Optical element and optical pickup device comprising it | Yoshio Yoshida, Takahiro Miyake, Yasuo Nakata, Yukio Kurata, Nobuo Ogata +1 more | 1992-02-04 |
| 5050155 | Pick-up device for use in an optical information recording system utilizing a diffraction grating with blaze characteristics | Yukio Kurata, Yasuo Nakata, Nobuo Ogata | 1991-09-17 |
| 4998413 | Refrigerant recovery system | Hisao Nagashima, Kenichi Fujiwara, Keiichi Kitamura | 1991-03-12 |
| 4849825 | Pick-up device for use in an optical information recording system | Yukio Kurata, Yasuo Nakata, Nobuo Ogata, Teruaki Inoue | 1989-07-18 |
| D297837 | Digital telephone exchange equipment cabinet or similar article | Shinji Shibuya, Satoshi Matsumoto | 1988-09-27 |
| 4680257 | Silver halide photographic light-sensitive material | Morio Yagihara | 1987-07-14 |
| 4613964 | Optical information processing method and apparatus therefor | Izumi Ichikawa | 1986-09-23 |
| 4553674 | Casing construction for electronic equipment | Hiroshi Yoshikawa, Tetsuya Hattori | 1985-11-19 |
| 4546392 | Information recording and reproducing apparatus | Yoshihiro Tokuume | 1985-10-08 |
| 4425023 | Beam spot scanning device | Kazuya Matsumoto, Isao Yamaguchi, Takao Tsuji | 1984-01-10 |
| 4356717 | Method and apparatus for forge-shaping sheet members | Hiromu Okunishi, Hideki Nakaji, Hiroyuki Suwa | 1982-11-02 |
| 4351005 | Recording apparatus | Nobuhiro Imai, Kimio Kono, Kazuo Hoshito, Takehiko Kiyohara | 1982-09-21 |
| 4338577 | Semiconductor laser apparatus | Takashi Kitamura, Koichi Masegi, Kazuo Hoshito | 1982-07-06 |
| 4264933 | Method and apparatus for facsimile recording | Sadasuke Kurahayashi, Asao Watanabe, Yoshiaki Shirato, Akira Shinmi, Toshitami Hara +2 more | 1981-04-28 |
| 4243849 | Signal recording device | Takeshi Goshima, Takao Tsuji | 1981-01-06 |
| 4229763 | Optical high density FM recording device with corrective signal | Takao Tsuji, Takeshi Goshima | 1980-10-21 |
| 4214154 | Light beam scanning apparatus | — | 1980-07-22 |
| 4202029 | Transportable telephone exchange apparatus | Hiroshi Yoshikawa, Akihiro Kawakami | 1980-05-06 |
| 4201994 | Information formation apparatus | Kazuo Hoshito, Takashi Kitamura, Koichi Masegi | 1980-05-06 |