Issued Patents All Time
Showing 51–75 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6001467 | Magneto-optic memory medium | Akira Takahashi, Yoshiteru Murakami, Junichiro Nakayama, Tomoyuki Miyake | 1999-12-14 |
| 5989671 | Optical recording medium and manufacturing method thereof | Junichiro Nakayama, Hiroyuki Katayama, Akira Takahashi, Kazuo Van | 1999-11-23 |
| 5962126 | Method and apparatus for reproducing data from a magneto-optical recording medium having a readout layer, transfer layer and recording layer | Michinobu Mieda, Hiroyuki Katayama, Akira Takahashi | 1999-10-05 |
| 5946290 | Tamper-proof lid lock in disc cartridge | Hikaru Mizutani | 1999-08-31 |
| 5932364 | Magneto-optical recording medium, method of recording and reproducing information in and from said magneto-optical recording medium and method of producing said mageto-optical recording medium | Junji Hirokane, Hiroyuki Katayama, Akira Takahashi | 1999-08-03 |
| 5926454 | Disc cartridge with slide shutter having catch pieces | Hikaru Mizutani | 1999-07-20 |
| 5922177 | Magneto-optical recording medium and producing method thereof | Naoyasu Iketani, Yoshiteru Murakami, Akira Takahashi | 1999-07-13 |
| 5907525 | Magneto-optical disk, optical pickup, and magneto-optical disk drive | Shigeo Terashima, Akira Takahashi | 1999-05-25 |
| 5903541 | Disc cartridge lid structure | Hikaru Mizutani | 1999-05-11 |
| 5863649 | Magneto-optical recording medium | Junji Hirokane, Hiroyuki Katayama, Akira Takahashi | 1999-01-26 |
| 5847416 | Phototrigger thyristor | Katumi Satoh | 1998-12-08 |
| 5828649 | Magneto-optical memory element | Yoshikazu Fujii, Tetuya Inui, Toshihisa Deguchi, Shigemi Maeda | 1998-10-27 |
| 5824426 | Magneto-optical recording medium | Naoyasu Iketani, Yoshiteru Murakami, Akira Takahashi | 1998-10-20 |
| 5820795 | Manufacturing method of magneto-optical master disk | Hirotoshi Takemori, Tetsuya Inui, Toshikazu Nagaura | 1998-10-13 |
| 5809005 | Method for manufacturing a magneto-optical memory element | Yoshikazu Fujii, Tetuya Inui, Toshihisa Deguchi, Shigemi Maeda | 1998-09-15 |
| 5804841 | Optical trigger thyristor and fabrication method | Katsumi Satoh | 1998-09-08 |
| 5777953 | Arrangement of magneto-optical recording medium which capable of reproducing an individual bit | Junji Hirokane, Junichiro Nakayama, Junsaku Nakajima, Akira Takahashi | 1998-07-07 |
| 5764601 | Method of manufacturing a magneto-optical recording medium having a readout layer with varying composition and curie temperature | Yoshiteru Murakami, Naoyasu Iketani, Akira Takahashi | 1998-06-09 |
| 5757401 | Ink jet head, method of using thereof and method of manufacturing thereof | Shingo Abe, Tetsuya Inui, Hirotsugu Matoba, Susumu Hirata, Yorishige Ishii | 1998-05-26 |
| 5754523 | Optical memory medium with preformed pit arrangement | Toshihisa Deguchi, Akira Takahashi, Kazuo Van, Michinobu Mieda, Tetsuya Inui | 1998-05-19 |
| 5740153 | Magneto-optical disk, optical pickup, and magneto-optical disk drive | Shigeo Terashima, Akira Takahashi | 1998-04-14 |
| 5738765 | Magneto-optic memory device | Akira Takahashi, Hiroyuki Katayama, Junji Hirokane, Hideyoshi Yamaoka | 1998-04-14 |
| 5737105 | Optical repeater | Mitsuo Kitamura | 1998-04-07 |
| 5736090 | Method of in-mold coating | Yoshiaki Yamamoto, Kenji Yonemochi, Satoshi Fujii, Takeshi Fujishiro, Toshiaki Izumida | 1998-04-07 |
| 5719831 | Magneto-optical recording medium cartridge which employs magnets | Junichiro Nakayama, Michinobu Mieda, Hiroyuki Katayama, Akira Takahashi | 1998-02-17 |