Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678420 | Waste incineration heat conversion system | Toshiko Fukushima, Akinobu Hayashi, Ryuichi Kaji | 1997-10-21 |
| 5675970 | Rankine cycle power generation system and a method for operating the same | Akira Yamada, Yoshinari Hori, Ryuichi Kaji | 1997-10-14 |
| 5517830 | Multiple type absorption air conditioning system | Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Michihiko Aizawa +2 more | 1996-05-21 |
| 5447042 | Multiple type absorption air conditioning system | Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Michihiko Aizawa +2 more | 1995-09-05 |
| 5435380 | Heat storage apparatus and method | Akihiro Yamada, Makoto Shimoda, Akira Yamada, Yoshio Naganuma, Hideo Fukutake +1 more | 1995-07-25 |
| 5289868 | Absorption chiller heater and unit-type air conditioning system | Ryuichi Kaji, Hiroaki Yoda, Takashi Nakao, Tomihisa Ohuchi, Akira Nishiguchi +2 more | 1994-03-01 |
| 5285645 | Regenerative type air conditioning equipment | Akira Yamada, Risuke Onoda, Fumiaki Yatsuboshi, Hirokuni Mizuno | 1994-02-15 |
| 5282369 | Multiple type absorption air conditioning system | Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Michihiko Aizawa +2 more | 1994-02-01 |
| 5275010 | Control method and apparatus of absorption chiller heater | Daisuke Hisajima, Tomihisa Ohuchi, Akira Nishiguchi, Michihiko Aizawa, Hiroaki Yoda +1 more | 1994-01-04 |
| 5018367 | Cooling energy generator with cooling energy accumulator | Akira Yamada, Isao Ohkouchi, Hideaki Kurokawa, Katsuya Ebara, Sankichi Takahashi +2 more | 1991-05-28 |
| 4986079 | Apparatus and method of generating coldness | Akira Yamada, Hideaki Kurokawa, Isao Ohkouchi, Katsuya Ebara, Sankichi Takahashi | 1991-01-22 |
| 4953694 | Distilling apparatus | Nobuatsu Hayashi, Sankichi Takahashi, Katsuya Ebara, Hideaki Kurokawa, Akira Yamada +2 more | 1990-09-04 |
| 4879041 | Process for producing ultra-pure water and process for using said ultra-pure water | Hideaki Kurokawa, Akira Yamada, Harumi Matsuzaki, Katsuya Ebara, Sankichi Takahashi +5 more | 1989-11-07 |
| 4785523 | Method of manufacturing a composite member of metal plates and synthetic resin | Masamori Higuchi, Satoru Hirosaki | 1988-11-22 |
| 4783277 | Absorption-type refrigerator | Akira Yamada, Hideaki Kurokawa, Katsuya Ebara, Sankichi Takahashi | 1988-11-08 |
| 4746437 | Method and apparatus for concentration aqueous solution and method and apparatus for recovering temperature | Sankichi Takahashi, Katsuya Ebara, Osamu Kuroda, Hideaki Kurokawa | 1988-05-24 |
| 4670137 | Impurity detector | Katsuya Ebara, Sankichi Takahashi, Kazuhiko Matsuoka, Minoru Kuroiwa, Akira Yamada | 1987-06-02 |
| 4638646 | Heat storing apparatus | Akira Yamada, Hideki Kurokawa, Harumi Matsuzaki, Katsuya Ebara, Sankichi Takahashi | 1987-01-27 |
| 4363219 | Method and system of heat energy conversion | Akira Yamada, Yuusaku Nishimura, Sankichi Takahashi | 1982-12-14 |
| 4219441 | Aqueous alkali or alkaline treat and heat regeneration of NH.sub.4.sup.+ a d | Yusaku Noshimura, Masayoshi Kubota, Shoji Kubota, Sankichi Takahashi | 1980-08-26 |
| 4205459 | Apparatus for regenerating an adsorbent | Toyohiko Kaneko, Masayoshi Kubota, Sankichi Takahashi | 1980-06-03 |