Issued Patents All Time
Showing 76–100 of 114 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550273 | Air conditioner using flammable refrigerant | Akira Fujitaka, Riko Tachigori | 2003-04-22 |
| 6535985 | Data processing apparatus | Mitsuaki Oshima, Yoshihiro Gohara, Shozo Fujiwara, Tsuyoshi Uemura | 2003-03-18 |
| 6475445 | Calcium sulfide oxidation method and apparatus | Yoshihiko Tsuchiyama, Yuichi Fujioka, Toshihiko Setoguchi, Katsuhiko Shinoda, Kenji Tagashira +1 more | 2002-11-05 |
| 6425252 | Purging method, apparatus to be purged and purging apparatus | Akira Fujitaka | 2002-07-30 |
| 6245314 | Calcium sulfide oxidation method | Yoshihiko Tsuchiyama, Yuichi Fujioka, Toshihiko Setoguchi, Katsuhiko Shinoda, Kenji Tagashira +1 more | 2001-06-12 |
| 6216476 | Apparatus having refrigeration cycle | Hironao Numoto, Kanji Haneda, Akira Fujitaka, Shigehiro Sato, Yukio Watanabe +1 more | 2001-04-17 |
| 6202435 | Explosion preventing apparatus for refrigerating machines using inflammable refrigerant | Akira Fujitaka | 2001-03-20 |
| 6196008 | Method for taking custody of, transporting and installing air conditioner | Akira Fujitaka, Yuichi Yakumaru, Yukio Watanabe, Hironao Numoto, Shigehiro Sato +1 more | 2001-03-06 |
| 6167719 | Compressor for refrigeration cycle | Yuichi Yakumaru, Yukio Watanabe, Akira Fujitaka, Hironao Numoto, Shigehiro Sato +1 more | 2001-01-02 |
| D434766 | Wireless keyboard | Toshisada Takeda, Richard Acosta | 2000-12-05 |
| 6073455 | Refrigerant leakage warning device for apparatus having refrigeration cycle using flammable refrigerant | Riko Tachigori, Akira Fujitaka, Yukio Watanabe, Kanji Haneda | 2000-06-13 |
| 6044660 | Apparatus having refrigeration cycle | Hironao Numoto, Kanji Haneda, Akira Fujitaka, Shigehiro Sato, Yukio Watanabe +1 more | 2000-04-04 |
| 6006544 | Refrigeration cycle | Yukio Watanabe, Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Akira Fujitaka +3 more | 1999-12-28 |
| 5806326 | Refrigeration cycle | Yukio Watanabe, Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Akira Fujitaka +3 more | 1998-09-15 |
| 5761055 | Driving pulse output limiting circuit | Yoichi OKADA, Kenji Kawasaki, Haruo Watanabe, Takeshi Karii, Kenji Horiguchi | 1998-06-02 |
| 5755165 | Coal firing device | Keisuke Sonoda, Toshiyuki Takegawa, Kimishiro Tokuda, Takaharu Toyoda, Fumiya Nakashima | 1998-05-26 |
| 5715694 | Refrigerator controller | Yuichi Yakumaru, Shinji Watanabe, Akira Fujitaka | 1998-02-10 |
| 5704206 | Coal burner combined power plant having a fuel reformer located within the coal furnace | Shozo Kaneko, Satoshi Uchida, Yasuhiro Yamauchi, Susumu Sato, Yoshiyuki Wakabayashi +1 more | 1998-01-06 |
| 5701816 | Heat-sensitive type mimeographic screen forming apparatus | Yuichi Fujiwara, Chikao Nakagawa, Hiromi Ito | 1997-12-30 |
| 5615098 | AC-DC converter | Takuya Ishii, Yoshio Mizutani, Haruo Watanabe, Yutaka Sekine, Satoshi Ikeda | 1997-03-25 |
| 5473239 | Capstan motor drive control device | Ryuji Watanabe | 1995-12-05 |
| 5421064 | Filaments dispersing device | Hiroshi Ishii, Katsuya Hata | 1995-06-06 |
| 5378887 | Non-contact type IC card | — | 1995-01-03 |
| 5336071 | Air gun for the production of non-woven fabric and non-woven fabric producing apparatus | Keiji Kobayashi, Akira Kaneko, Katsuya Hata | 1994-08-09 |
| 5331906 | Coal combustor and slag exhausting device therein | Keisuke Sonoda, Fumiya Nakashima, Kimishiro Tokuda | 1994-07-26 |