Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6127210 | Manufacturing method of CMOS thin film semiconductor device and CMOS thin film semiconductor device manufactured thereby | Akio Mimura, Hiroshi Suga, Youmei Shinagawa, Isao Ikuta | 2000-10-03 |
| RE36624 | Optical recording media and information recording and reproducing units | Yoshihito Maeda, Isao Ikuta, Hisashi Andoh, Yoshimi Katoh, Yoshio Sato +2 more | 2000-03-21 |
| 5583840 | ROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable disk | Hiroyuki Minemura, Yoshio Sato, Nobuyoshi Tsuboi, Hisashi Andoh, Isao Ikuta +4 more | 1996-12-10 |
| 5572502 | Optical disk apparatus | Atsuko Naruse, Yoshihito Maeda, Yoshimi Kato, Isao Ikuta, Hisashi Andoh +4 more | 1996-11-05 |
| 5484686 | Optical recording media and information recording and reproducing units | Yoshihito Maeda, Isao Ikuta, Hisashi Andoh, Yoshimi Katoh, Yoshio Sato +2 more | 1996-01-16 |
| 5475656 | Optical disk memory and information processing apparatus | Yoshio Sato, Nobuyoshi Tsuboi, Hiroyuki Minemura, Hisashi Andoh, Isao Ikuta +4 more | 1995-12-12 |
| 5420845 | Methods of varying optical properties, optical devices, information recording media and information recording methods and apparatuses | Yoshihito Maeda, Isao Ikuta, Yoshimi Kato, Hisashi Andoh, Nobuo Tsukamoto | 1995-05-30 |
| 5371730 | Optical memory and information processing apparatus | Yoshihito Maeda, Isao Ikuta, Yoshimi Katou, Hisashi Andoh, Nobuyoshi Tsuboi +4 more | 1994-12-06 |
| 5317556 | Information processing apparatus and optical head incorporated therein | Nobuyoshi Tsuboi, Yoshio Sato, Hiroyuki Minemura, Hisashi Andoh, Isao Ikuta +4 more | 1994-05-31 |
| 5274612 | Information processor and disk memory used in the same | Yoshio Sato, Nobuyoshi Tsuboi, Hiroyuki Minemura, Hisashi Andoh, Isao Ikuta +4 more | 1993-12-28 |
| 5187052 | Optical recording medium | Yoshihito Maeda, Toshiki Kaneko, Hisashi Andoh, Yoshimi Katou, Isao Ikuta +1 more | 1993-02-16 |
| 4668591 | Magnetic separator matrix of cut pieces of an elongated crystalline magnetic alloy | Tetsuroh Minemura, Joo Ishihara, Takeo Tamamura | 1987-05-26 |
| 4651172 | Information recording medium | Ryuji Watanabe, Tetsuro Minemura, Tetsuo Ito, Hisashi Ando, Yoshihito Maeda +3 more | 1987-03-17 |