Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388420 | Heat storage type air conditioner, and defrosting method | Takeshi Yoshida, Yasufumi Hatamura, Hideaki Tagashira, Keiji Nonami | 1995-02-14 |
| 5323618 | Heat storage type air conditioning apparatus | Takeshi Yoshida, Hideaki Tagashira, Hiroaki Hama, Moriya Miyamoto, Hiroshi Nakata +1 more | 1994-06-28 |
| 5092134 | Heating and cooling air conditioning system with improved defrosting | Hideaki Tagashira, Shunsuke Ohara, Katsumi Kasano, Takeshi Yoshida, Hitoshi Kido +1 more | 1992-03-03 |
| 4563879 | Heat pump with capillary tube-type expansion device | Hiroaki Hama, Naoki Tanaka | 1986-01-14 |
| 4498310 | Heat pump system | Naoki Tanaka | 1985-02-12 |
| 4448037 | Combined air conditioning and hot water service system | Hiroaki Hama, Yasuyuki Funahashi, Seiichi Kato | 1984-05-15 |