Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408478 | Apparatus for reproducing a recording with reduced error correction anomalies at linking portions | Takashi Ohmori | 1995-04-18 |
| 5373355 | Imperfect register correcting method to be carried out on a multicolor image forming apparatus | Kozo Tagawa, Hirotaka Mori | 1994-12-13 |
| 5367510 | Disk recording/reproducing apparatus having the capability of recording an operator designated program sequence | — | 1994-11-22 |
| 5363362 | Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors | Yasuaki Maeda, Hideo Obata, Hideki Nagashima, Tadao Yoshida, Kazuhiko Fujiie +2 more | 1994-11-08 |
| RE34710 | Magneto-optical recording apparatus | Hirotoshi Fujisawa, Takashi Ohmori | 1994-08-30 |
| 5243588 | Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors | Yasuaki Maeda, Hideo Obata, Hideki Nagashima, Tadao Yoshida, Kazuhiko Fujiie +2 more | 1993-09-07 |
| 5224087 | Apparatus for recording compressed digital information to an optical disc | Yasuaki Maeda, Hideki Nagashima | 1993-06-29 |
| 5124963 | Method and apparatus for selectively changing archival information on an optical disk | — | 1992-06-23 |
| 5109369 | Optical disk drive | Yasuaki Maeda, Hideo Obata | 1992-04-28 |
| 5058096 | Disk recording/reproducing apparatus and disk recording/reproducing method | Tadao Yoshida | 1991-10-15 |
| 5034933 | Magneto-optical recording apparatus | Hirotoshi Fujisawa, Takashi Ohmori | 1991-07-23 |
| 5012461 | Disk recording apparatus for re-establishing a recording mode at a desired address | Tadao Yoshida | 1991-04-30 |
| 5003521 | Optical disk discriminating device | Tadao Yoshida, Kazuhiko Fujiie | 1991-03-26 |
| 4932016 | Apparatus and method of recording and reproducing data using a disk | Tadao Yoshida, Kazuhiko Fujiie | 1990-06-05 |
| 4862439 | Recording device that identifies recordable areas of a disk record | Tadao Yoshida, Kazuhiko Fujiie, Toshio Yoshida | 1989-08-29 |
| 4858217 | Optical disk recording and reproducing device | Kazuhiko Fujiie, Tadao Yoshida | 1989-08-15 |
| 4651186 | Field effect transistor with improved withstand voltage characteristic | Makoto Yamamoto, Tsuyoshi Toyama, Hirokazu Harima | 1987-03-17 |
| 4299610 | Method and apparatus for manufacturing crystalline blast furnace slag | Shigeru Araki, Hideaki Hoshi, Kazuyoshi Sato | 1981-11-10 |
| 4297119 | Apparatus for vitrifying blast furnace slag | Kazuyoshi Sato | 1981-10-27 |
| 4289462 | Apparatus for manufacturing vitreous blast furnace slag | Kazuyoshi Sato, Akira Honda | 1981-09-15 |
| 4260414 | Process for recovering and utilizing useful substances from molten metal produced during reduction treatment of steel slag | Gyoichi Suzuki, Tatsuo Koyama, Shoji Kubodera, Renichi Kondo | 1981-04-07 |