Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174365 | Air conditioning apparatus which selectively carries out a refrigerant collection operation | Akihisa Nakazawa | 1992-12-29 |
| 5044425 | Air conditioner having a refrigerant heater | Mitsuyoshi Tatsumi, Takashi Kobayashi | 1991-09-03 |
| 4971611 | Dehumidified air generator employing adsorbent | — | 1990-11-20 |
| 4905894 | Refrigerant heating type air conditioner | — | 1990-03-06 |
| 4802529 | Refrigerant-heating type heating apparatus | Shigeto Sumitani, Hiroyuki Araya | 1989-02-07 |
| 4601114 | Method and apparatus for demoisturizing and heating drying air for drying synthetic plastic material | — | 1986-07-22 |
| 4486201 | Method and apparatus for filtering gases containing fine particles and cleaning a filter cloth of collected particles | — | 1984-12-04 |