Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 4631925 | Apparatus for deaerating condensate in a condenser | Katsumoto Ohtake, Yoshikuni Ohshima, Yasuteru Mukai | 1986-12-30 |
| 4597871 | Apparatus for removing foreign matters | Kenkichi Izumi, Sankichi Takahashi, Yasuteru Mukai, Akira Tomida | 1986-07-01 |
| 4592419 | Condenser | Keizo Ishida, Yoshikuni Ohshima, Toyoyuki Mukaidani, Kenkichi Izumi | 1986-06-03 |
| 4543188 | Apparatus for removing foreign matters from condenser cooling water | Sankichi Takahashi, 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, Sankichi Takahashi | 1984-10-16 |
| 4435285 | Sorting apparatus | Sankichi Takahashi, Yasuteru Mukai, Katsumoto Otake, Takuya Sasaki, Masahiko Miyai | 1984-03-06 |
| 4420038 | Cleaning system for heat conductive conduits of a heat exchanger | Sankichi Takahashi, Yasuteru Mukai, Katsumoto Otake, Takuya Sasaki, Masahiko Miyai | 1983-12-13 |
| 4390058 | Method of monitoring condenser performance and system therefor | Katsumoto Otake, Masahiko Miyai, Yasuteru Mukai | 1983-06-28 |
| 4351715 | Apparatus for high temperature electrodialysis | Harumi Matsuzaki, Osamu Kuroda, Kenkichi Izumi, Sankichi Takahashi | 1982-09-28 |
| 4311575 | Method for high temperature electrodialysis | Harumi Matsuzaki, Osamu Kuroda, Kenkichi Izumi, Sankichi Takahashi | 1982-01-19 |
| 4245998 | Method and apparatus for crystallization of solution containing salts | Kenkichi Izumi, Haruyuki Yamazaki, Sankichi Takahashi | 1981-01-20 |