Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7839663 | Converter and power converter that becomes it with the converter | Takahiro Suzuki, Yoshitaka Iwaji, Tsunehiro Endo, Yasuo Notohara, Yoshiaki Kurita +1 more | 2010-11-23 |
| 7471525 | Converter and power converter that becomes it with the converter | Takahiro Suzuki, Yoshitaka Iwaji, Tsunehiro Endo, Yasuo Notohara, Yoshiaki Kurita +1 more | 2008-12-30 |
| 7181923 | Inverter device | Yoshiaki Kurita, Kuniaki Takatuka, Noriaki Yamada, Satoshi Furusawa | 2007-02-27 |
| 6735968 | Refrigerating apparatus and an inverter device used therein | Yoshiaki Kurita, Kuniaki Takatuka, Noriaki Yamada, Satoshi Furusawa | 2004-05-18 |
| 6657412 | Pulse width modulation method, pulse width modulator and power converter | Seiji Ishida, Keijiro Sakai, Toshiaki Okuyama, Hiroshi Fujii, Hiroyuki Tomita +2 more | 2003-12-02 |
| 6531843 | Driving system of AC motor | Yoshitaka Iwaji, Tsunehiro Endo, Hiroshi Fujii | 2003-03-11 |
| 5104713 | Alumina fiber structure and process for its production | Hisataka Hosoi, Hozumi Endo, Mamoru Shoji | 1992-04-14 |
| 5062897 | Carbon fiber-reinforced hydraulic composite material | Haruo Katsumata, Hiromichi Sakai, Keisuke Takahashi, Hirofumi Ootaguro, Masashi Matsumoto +1 more | 1991-11-05 |
| 4931239 | Alumina fiber structure and process for its production | Hisataka Hosoi, Hozumi Endo, Mamoru Shoji | 1990-06-05 |
| 4910076 | Fiber reinforced cement mortar product | Takeshi Ikeda, Hiromichi Sakai, Hirobumi Otaguro, Takeo Sawanobori | 1990-03-20 |
| 4786341 | Method for manufacturing concrete structure | Katsuro Kobatake, Hideo Katsumata, Kensuke Yagi, Tsuneo Tanaka | 1988-11-22 |
| 4752515 | Alumina fiber structure | Hisataka Hosoi, Hozumi Endo, Mamoru Shoji | 1988-06-21 |