Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8885853 | Electrostatic loudspeaker | Yasuaki Takano | 2014-11-11 |
| 8270657 | Earphone device and sound generating apparatus equipped with the same | Souichi Takigawa, Yoshikatsu Matsubara, Nobushiro Aiba, Tsuneyasu Demukai | 2012-09-18 |
| 7667116 | Key actuating system | Shuichi Sawada, Hideo Suzuki, Yoshinori Hayashi | 2010-02-23 |
| 7559389 | Fuel cell equipped vehicle | — | 2009-07-14 |
| 7547833 | Key driving apparatus and keyboard musical instrument | — | 2009-06-16 |
| 7081677 | Thermoelectric module | Naoki Kamimura, Fumiyasu Tanoue, Katsuhiko Onoue, Toshiharu Hoshi | 2006-07-25 |
| 6539243 | Portable radio terminal | Etsuko Kimura | 2003-03-25 |
| 6470196 | Portable communication apparatus | — | 2002-10-22 |
| 6387138 | Diesel fuel combustion system | Tadashi Murayama, Hideya Yoshitake | 2002-05-14 |
| 6353426 | Liquid crystal display control system controllable of connection between a driver circuit and each of common lines | — | 2002-03-05 |
| 5493218 | Magnetic detecting apparatus with a variable voltage power supply | Yoshinori Hayashi, Makoto Hosokawa, Nanayuki Takeuchi, Akira Miki | 1996-02-20 |
| 5408699 | Portable radio equipment having a display | Toshihiro Mori | 1995-04-18 |
| 5037982 | Method of purifying 2-methyl-4-amino-5-aminomethylpyrimidine | Keigo Nishihira, Hiroshi Yoshida | 1991-08-06 |
| 4978766 | Process for producing 2-hydroxymethylene-3,3-dialkoxypropanenitrile alkali metal salt and process for obtaining alcoholic slurry of said compound from its synthetic reaction mixture | Keigo Nishihira, Shuzo Fujikawa | 1990-12-18 |
| 4935745 | Card-type radio receiver having slot antenna integrated with housing thereof | Toshihiro Mori, Kazuyuki Tsunoda | 1990-06-19 |
| 4892948 | 2-methyl-4-amino-5-aminomethylpyrimidine carbonate, process for preparing the same and method of purification of 2-methyl-4-amino-5-aminomethylpyrimidine using the same | Keigo Nishihira, Hiroshi Yoshida | 1990-01-09 |
| 4806906 | Data terminal | Takashi Oda | 1989-02-21 |
| 4256908 | Process for preparing diesters of malonic acid | Kenji Nishimura, Shinichi Furusaki, Yasushi Shiomi, Kozo Fujii, Keigo Nishihira | 1981-03-17 |
| 4229589 | Process for preparing a diester of oxalic acid | Kenji Nishimura, Shinichiro Uchiumi, Kozo Fujii, Keigo Nishihira, Hiroshi Itatani | 1980-10-21 |