Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769311 | Information recording member | Motoyasu Terao, Yasushi Miyauchi, Shinkichi Horigome | 1988-09-06 |
| 4751695 | Method and apparatus for tracking servo system | Toshimitsu Kaku, Takeshi Maeda | 1988-06-14 |
| 4743774 | Method and apparatus for optical detection of information | Takeshi Maeda, Shigeru Nakamura, Hisataka Sugiyama, Atsushi Saito | 1988-05-10 |
| 4733388 | Information recording disc | Nobuyuki Fujimoto, Shinichi Abe, Yoshito Tsunoda, Yasunori Kanazawa, Toshinori Sugiyama +1 more | 1988-03-22 |
| 4731771 | Tracking servo setting method and apparatus | Takeshi Maeda, Shigeru Nakamura, Yoshito Tsunoda, Masuo Kasai | 1988-03-15 |
| 4656618 | Optical information recording and reproducing apparatus | Toshimitsu Kaku, Keiji Kataoka, Yoshito Tsunoda | 1987-04-07 |
| 4646103 | Optical recording method | Hisataka Sugiyama, Takeshi Maeda, Atsushi Saitoh, Wasao Takasugi | 1987-02-24 |
| 4637976 | Information recording member | Motoyasu Terao, Yasushi Miyauchi, Shinkichi Horigome | 1987-01-20 |
| 4563760 | Method of detecting light spot control signal | Takeshi Maeda, Masahiro Takasago, Yasumitsu Mizoguchi, Zenji Tsutsumi, Yoshito Tsunoda +1 more | 1986-01-07 |
| 4556965 | Information recording apparatus having automatic focusing | Yoshito Tsunoda, Toshimitsu Miyauchi | 1985-12-03 |
| 4525826 | Optical track position detecting apparatus and optical information processor using the same | Shigeru Nakamura, Yoshito Tsunoda, Toshimitsu Kaku, Takeshi Maeda, Tsuyoshi Kato | 1985-06-25 |
| 4434429 | Information recording member and method of fabricating the same | Motoyasu Terao, Shinkichi Horigome, Munehisa Mitsuya, Sakae Ota | 1984-02-28 |
| 4407880 | Substrate of member for recording information with light and method of manufacturing the same | Motoyasu Terao, Shinkichi Horigome, Yoshinori Miyamura, Seiji Yonezawa | 1983-10-04 |
| 4364118 | Optical disk and optical information processor | Takeshi Maeda, Seiji Yonezawa | 1982-12-14 |
| 4357616 | Recording medium | Motoyasu Terao, Yoshio Taniguchi, Shinkichi Horigome, Masahiro Ojima, Yoshinori Miyamura +1 more | 1982-11-02 |
| 4348461 | Recording member | Motoyasu Terao, Yoshio Taniguchi, Shinkichi Horigome, Masahiro Ojima, Keizo Kato +2 more | 1982-09-07 |
| 4301527 | Optical head for a videodisc recorder/player | Yoshito Tsunoda, Toshimitsu Miyauchi, Kimio Tatsuno | 1981-11-17 |
| 4296419 | Member for recording information | Motoyasu Terao, Masahiro Ojima, Seiji Yonezawa | 1981-10-20 |
| 4241240 | Optical information recording apparatus | Keizo Kato, Toshimitsu Miyauchi, Seiji Yonezawa, Fumiyuki Inose, Kimio Tatsuno +1 more | 1980-12-23 |