Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105556 | Vapor washing process and apparatus | Hideaki Kurokawa, Katsuya Ebara, Harumi Matsuzaki, Hiroaki Yoda, Takahisa Nitta +2 more | 1992-04-21 |
| 5018367 | Cooling energy generator with cooling energy accumulator | Akira Yamada, Isao Ohkouchi, Yasuo Koseki, Hideaki Kurokawa, Katsuya Ebara +2 more | 1991-05-28 |
| 4986079 | Apparatus and method of generating coldness | Yasuo Koseki, Akira Yamada, Hideaki Kurokawa, Isao Ohkouchi, Katsuya Ebara | 1991-01-22 |
| 4953694 | Distilling apparatus | Nobuatsu Hayashi, Katsuya Ebara, Hideaki Kurokawa, Akira Yamada, Yasuo Koseki +2 more | 1990-09-04 |
| 4879041 | Process for producing ultra-pure water and process for using said ultra-pure water | Hideaki Kurokawa, Akira Yamada, Yasuo Koseki, Harumi Matsuzaki, Katsuya Ebara +5 more | 1989-11-07 |
| 4861383 | Process for recovering subterranean stem starch and protein | Masahiko Ishida, Ryooichi Haga, Yoji Odawara, Katsuya Ebara | 1989-08-29 |
| 4783277 | Absorption-type refrigerator | Yasuo Koseki, Akira Yamada, Hideaki Kurokawa, Katsuya Ebara | 1988-11-08 |
| 4746437 | Method and apparatus for concentration aqueous solution and method and apparatus for recovering temperature | Yasuo Koseki, Katsuya Ebara, Osamu Kuroda, Hideaki Kurokawa | 1988-05-24 |
| 4698153 | Apparatus for producing ultra-pure water by ion exchange resin | Harumi Matsuzaki, Masayoshi Kubota, Katsuya Ebara, Minoru Kuroiwa | 1987-10-06 |
| 4670137 | Impurity detector | Yasuo Koseki, Katsuya Ebara, Kazuhiko Matsuoka, Minoru Kuroiwa, Akira Yamada | 1987-06-02 |
| 4638646 | Heat storing apparatus | Yasuo Koseki, Akira Yamada, Hideki Kurokawa, Harumi Matsuzaki, Katsuya Ebara | 1987-01-27 |
| 4619768 | Method of removing crude oil sludge | Harumi Matsuzaki, Toshimi Mukushi, Katsuya Ebara, Tsunehiko Takakusagi, Masahiro Yoshida +4 more | 1986-10-28 |
| 4597871 | Apparatus for removing foreign matters | Isao Okouchi, Kenkichi Izumi, Yasuteru Mukai, Akira Tomida | 1986-07-01 |
| 4543188 | Apparatus for removing foreign matters from condenser cooling water | Isao Okouchi, Kenkichi Izumi, Masahiko Miyai, Katsumoto Otake | 1985-09-24 |
| 4476917 | Method of and system for cleaning cooling tubes of heat transfer units | Katsumoto Otake, Masahiko Miyai, Takuya Sasaki, Yasuteru Mukai, Isao Okouchi | 1984-10-16 |
| 4435285 | Sorting apparatus | Isao Okouchi, Yasuteru Mukai, Katsumoto Otake, Takuya Sasaki, Masahiko Miyai | 1984-03-06 |
| 4420038 | Cleaning system for heat conductive conduits of a heat exchanger | Isao Okouchi, Yasuteru Mukai, Katsumoto Otake, Takuya Sasaki, Masahiko Miyai | 1983-12-13 |
| 4389253 | Process for removing crud from ion exchange resin | Shigeoki Nishimura, Toshio Ogawa, Katsuya Ebara | 1983-06-21 |
| 4363219 | Method and system of heat energy conversion | Yasuo Koseki, Akira Yamada, Yuusaku Nishimura | 1982-12-14 |
| 4351715 | Apparatus for high temperature electrodialysis | Harumi Matsuzaki, Osamu Kuroda, Isao Okouchi, Kenkichi Izumi | 1982-09-28 |
| 4311575 | Method for high temperature electrodialysis | Harumi Matsuzaki, Osamu Kuroda, Isao Okouchi, Kenkichi Izumi | 1982-01-19 |
| 4294697 | Apparatus for treatment of sewage | Toshio Sawa, Masayoshi Kubota, Toyohiko Kaneko | 1981-10-13 |
| 4280886 | Method for treatment of sewage | Toshio Sawa, Masayoshi Kubota, Toyohiko Kaneko | 1981-07-28 |
| 4255255 | Tubular membrane separation process and apparatus therefor | Toshio Ogawa, Katsuya Ebara | 1981-03-10 |
| 4245998 | Method and apparatus for crystallization of solution containing salts | Isao Okouchi, Kenkichi Izumi, Haruyuki Yamazaki | 1981-01-20 |