Issued Patents All Time
Showing 101–117 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236635 | Information recording method and apparatus with suppressed mark edge jitters | Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more | 2001-05-22 |
| 6231945 | Information recording medium | Akemi Hirotsune, Keikichi Andoo, Tetsuya Nishida, Motoyasu Terao, Junko Ushiyama +1 more | 2001-05-15 |
| 6225712 | Voice coil motor | Hideki Kuwajima, Kenichi Sakamoto, Hiromi Kita, Kaoru Matsuoka | 2001-05-01 |
| 6160784 | Recording a mark with the rising and falling edges varied based on previously recorded control data | Takeshi Maeda, Hirofumi Sukeda, Hiroyuki Minemura, Hidehiko Kando | 2000-12-12 |
| 6132932 | Information recording medium and information recording and reproducing apparatus using the same | Motoyasu Terao, Yukio Fukui, Nobuhiro Tokushuku, Keikichi Andoo, Tetsuya Nishida +3 more | 2000-10-17 |
| 6014363 | Phase change optical disk medium | Shigeru Nakamura, Tetsuya Nishida | 2000-01-11 |
| 5882759 | Information recording medium and information memory storage | Akemi Hirotsune, Motoyasu Terao, Yasushi Miyauchi | 1999-03-16 |
| 5642345 | Recording/reproducing apparatus including frequency modulator for frequency-modulating digital-modulated signal and frequency demodulator for frequency-demodulating signal to obtain digital-modulated signal | Masaaki Kurebayashi, Nobuhiro Tokushuku, Naomi Suzuki, Yoshihiko Noro | 1997-06-24 |
| 5549926 | Manufacturing method of electronic part | — | 1996-08-27 |
| 5541909 | Optical disc with phase pits and a reproducing apparatus for data recorded on the optical disc | Junji Nakajima, Kunikazu Ohnishi, Tooru Sasaki, Masaaki Kurebayashi, Yoshio Suzuki +4 more | 1996-07-30 |
| 5462811 | Magneto-optical recording media and mangeto-optical device using the media | Harukazu Miyamoto, Keikichi Andoo, Toshio Niihara, Masahiro Ojima | 1995-10-31 |
| 5276670 | Phase change optical disk and method for using the same | Hiroshi Nogami, Masaji Ishigaki, Norio Goto, Yukio Fukui | 1994-01-04 |
| 5263015 | Magneto-optical recording media and overwrite recording method using the same | Toshio Niihara, Harukazu Miyamoto, Keikichi Andoo, Tsuyoshi Toda, Atsushi Saito +3 more | 1993-11-16 |
| 5128596 | Gaseous-discharge lamp having reflector in interior thereof | Yuji Shimazu | 1992-07-07 |
| 4686453 | Oil mist detection method and apparatus | Takayuki Kato | 1987-08-11 |
| 4677374 | Oil mist dectector | Takayuki Kato | 1987-06-30 |
| 4611143 | Composite light source | Yuji Shimazu | 1986-09-09 |