Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5706887 | Air conditioner and heat exchanger used therefor | Michimasa Takeshita, Takayuki Yoshida, Hitoshi Iijima, Takashi Gotoh, Tsuneo Yumikura | 1998-01-13 |
| 5704421 | Air conditioner and heat exchanger used therefor | Michimasa Takeshita, Takayuki Yoshida, Hitoshi Iijima, Takashi Gotoh, Tsuneo Yumikura | 1998-01-06 |
| 5647431 | Air conditioner and heat exchanger used therefor | Michimasa Takeshita, Takayuki Yoshida, Hitoshi Iijima, Takashi Gotoh, Tsuneo Yumikura | 1997-07-15 |
| 5165250 | Air conditioning system with thermal storage cycle control | Hideaki Nagatomo, Seiji Kubo, Kazuaki Isono, Hidenori Ishioka, Katsuyuki Aoki +3 more | 1992-11-24 |
| D300240 | Heat radiation plate | Kiyoshi Sakuma, Hiroyuki Umemura, Makoto Yamada, Ikuo Tsukamoto, Yu Seshimo +1 more | 1989-03-14 |
| 4775007 | Heat exchanger for an air-conditioning apparatus | Kiyoshi Sakuma, Hiroyuki Umemura, Makoto Yamada, Yu Seshimo, Masao Fujii +1 more | 1988-10-04 |
| 4771610 | Multiroom air conditioner | Yasuo Nakashima, Akio Fukushima, Junji Tamari, Kiyoshi Sakuma, Yasuo Sato +3 more | 1988-09-20 |
| 4768583 | Heat exchanger with corrugated heat transfer plates | Ikuo Tsukamoto, Kiyoshi Sakuma, Hiroyuki Umemura, Yu Seshimo, Masao Fujii +1 more | 1988-09-06 |
| 4624114 | Dual refrigerant cooling system | Kiyoshi Sakuma, Naoki Tanaka | 1986-11-25 |
| 4580415 | Dual refrigerant cooling system | Kiyoshi Sakuma, Naoki Tanaka | 1986-04-08 |