Issued Patents All Time
Showing 101–125 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5241080 | Process for stabilizing dibenzylidenesorbitols and composition thereof | Hiroaki Matsuno, Shoji Obuchi | 1993-08-31 |
| 5225289 | Opto-magnetic recording medium having plurality of exchange-coupled magnetic layers | — | 1993-07-06 |
| 5210724 | Optomagnetic recording method and apparatus which precludes an interface magnetic wall within block magnetic wall | — | 1993-05-11 |
| 5206114 | Information storage medium containing a recording layer capable of exhibiting a dual phase state | — | 1993-04-27 |
| 5168435 | Converter | Tokimune Kitajima, Yohsuke Shinada, Teruhisa Sudou, Toshiyuki Kawano, Masahiro Sonoki | 1992-12-01 |
| 5144615 | Apparatus and method for recording and reproducing multi-level information | — | 1992-09-01 |
| 5136573 | Information recording apparatus and method | — | 1992-08-04 |
| 5132945 | Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same | Yoichi Osato, Hisaaki Kawade, Eiichi Fujii, Nobuhiro Kasama | 1992-07-21 |
| 5079510 | Meter for accurately measuring integrated electric power | Masatoshi Komatsu, Shigeo Fushimi, Shigenori Wada, Hidetake Nakamura, Toshio Takagi | 1992-01-07 |
| 5075406 | Process for refining 1,3-dimethyl-2-imidazolidinone | Mitsuo Wada, Shouzi Obuchi, Hiroshi Takayanagi | 1991-12-24 |
| 5070217 | Coordinate input device capable of indicating a failure in a coordinate indicator | Tetuo Kudo | 1991-12-03 |
| 5011936 | Process for refining 1,3-dimethyl-2-imidazolidinone | Mitsuo Wada, Shouzi Obuchi, Hiroshi Takayanagi | 1991-04-30 |
| 4995705 | Device, method and apparatus for optical modulation using ferroelectric polymer liquid crystals | Kazuo Yoshinaga, Takeshi Miyazaki, Toshikazu Ohnishi, Yutaka Kurabayashi, Yoshio Takasu | 1991-02-26 |
| 4992725 | Meter for accurately measuring integrated electric power | Masatoshi Komatsu, Shigeo Fushimi, Shigenori Wada, Hidetake Nakamura, Toshio Takagi | 1991-02-12 |
| 4957949 | Thermochromic color masterbatch | Masayasu Kamada, Toshihisa Maeda, Goro Shimizu | 1990-09-18 |
| 4932012 | Method for regenerating information from a magneto-optical information recording medium | — | 1990-06-05 |
| 4923951 | Production process of aromatic polyamide | Shouji Obuchi, Hiroaki Matsuno, Mitsuo Wada, Hiroshi Takayanagi | 1990-05-08 |
| 4881926 | Stepless speed variator of a belt type | Hachiro Aoki, Junya Kuronuma, Hideya Kikuchi | 1989-11-21 |
| 4871614 | Opto-magnetic recording medium having three exchange-coupled magnetic layers | — | 1989-10-03 |
| 4859763 | Preparation process of dl-lactic acid-glycolic acid-copolymer | Hiroshi Takayanagi, Takayoshi Masuda, Hosei Shinoda | 1989-08-22 |
| 4860274 | Information storage medium and method of erasing information | — | 1989-08-22 |
| 4842956 | Opto-magnetic recording medium having three exchange-coupled magnetic layers | — | 1989-06-27 |
| 4839509 | Connector device for connecting IC card to reading and/or writing apparatus | Jun-ichi Yasuma, Masakuni Ishikawa | 1989-06-13 |
| 4803660 | Optical recording medium | Katsumi Suzuki, Naomasa Nakamura | 1989-02-07 |
| 4763611 | Electronically controlled fuel injection pump | Shinya Nozaki | 1988-08-16 |