Issued Patents All Time
Showing 176–200 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224068 | Recording method for magneto-optic memory medium | Tomoyuki Miyake, Mitsuo Ishii, Hiroyuki Katayama | 1993-06-29 |
| 5214636 | Optical recording element having a plurality of thin film filtering layers and optical recording element having an electrically conductive layer | Toshio Ishikawa, Hiroyuki Katayama, Kazuo Van, Tomoyuki Miyake, Junichiro Nakayama +1 more | 1993-05-25 |
| 5202860 | Magneto-optic reproducing device using right and left circularly polarized light | Akira Takahashi, Yoshiteru Murakami, Junsaku Nakayima | 1993-04-13 |
| 5202862 | Magneto-optical recording and reproducing device having integrally formed recording and reproducing magnetic heads | Akira Takahashi, Tetsurou Muramatsu, Tatsushi Yamamoto, Toshio Ishikawa | 1993-04-13 |
| 5196978 | Cartridge case | Junichi Washo, Shigeo Terashima, Masahiro Horii, Takao Hyuga, Toshihisa Deguchi | 1993-03-23 |
| 5193082 | Optical/magnetic composite head having magnetic and optical heads in one integrated unit | Tomoyuki Miyake, Junichiro Nakayama, Hiroyuki Katayama, Akira Takahashi | 1993-03-09 |
| 5192644 | Optical memory device | Kazuo Van | 1993-03-09 |
| 5187703 | Magneto-optical multilayer recording disk and method of reproducing the same | Hiroyuki Katayama, Junichiro Nakayama, Toshio Ishikawa | 1993-02-16 |
| 5175721 | Magneto-optical recording and reading device with initilization | Junichiro Nakayama, Tomoyuki Miyake, Hiroyuki Katayama | 1992-12-29 |
| 5175079 | Optical memory device | Kazuo Van, Yoshiteru Murakami | 1992-12-29 |
| 5170390 | Optical recording element and driving system | Tetsuya Inui, Hiroyuki Katayama, Akira Takahashi, Junji Hirokane, Yukinori Nishitani +2 more | 1992-12-08 |
| 5160572 | Optical memory device and apparatus for manufacturing the same | Junichiro Nakayama, Kazuhiro Kimura, Hiroyuki Katayama | 1992-11-03 |
| 5157568 | Floating type magnetic head device | Hiroyuki Katayama, Junichiro Nakayama, Tomoyuki Miyake | 1992-10-20 |
| 5155715 | Reproducing apparatus | Tetsuo Ueyema, Hideaki Sato, Shozou Kobayashi | 1992-10-13 |
| D328891 | Memorandum input and output terminal | Hiroshi Sakaguchi, Toshiya Takahashi | 1992-08-25 |
| 5128922 | Optical disk with glass substrate and method of producing same | Tetsuya Inui, Junji Hirokane, Akira Shibata, Yoshiyuki Nagahara | 1992-07-07 |
| 5117415 | Optical card, a card holder and an apparatus for recording, reproducing and erasing information on and from the optical card | Hiroyuki Katayama, Junichiro Nakayama, Kazuhiro Kimura, Hirotsugu Matoba, Shozo Kobayashi | 1992-05-26 |
| 5112727 | Method of and photomask for manufacturing optical memory element | Tetsuya Inui, Junji Hirokane, Akira Shibata, Yoshiyuki Nagahara | 1992-05-12 |
| 5107471 | Magnetic head having a rectangular configuration for use in a magneto-optical recording system | Tomoyuki Miyake, Hiroyuki Katayama, Junichiro Nakayama | 1992-04-21 |
| 5107486 | Optical memory device with grooves and pits in selected dimensional relationship | Tetsuya Inui, Junji Hirokane, Toshihisa Deguchi | 1992-04-21 |
| D325571 | Data input and output terminal | Hiroshi Sakaguchi | 1992-04-21 |
| D324513 | Data input and output terminal | Hiroshi Sakaguchi | 1992-03-10 |
| 5095350 | Magneto-optic memory medium | Akira Takahashi, Hiroyuki Katayama, Tomokazu Ise, Tomoyuki Miyake, Junichiro Nakayama | 1992-03-10 |
| 5092420 | Throttle valve position controlling apparatus and slip controlling apparatus | Hayato Sugawara | 1992-03-03 |
| D324208 | Data input and output terminal | Hiroshi Sakaguchi | 1992-02-25 |