Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37402 | Accessory structure for spray cleaning a heat exchanger in a vehicle air-conditioner | — | 2001-10-09 |
| 6230359 | Air intake passage cleaning method and its apparatus | — | 2001-05-15 |
| 6227215 | Piping cleaning device | — | 2001-05-08 |
| 6168140 | Air treating device | — | 2001-01-02 |
| 6135129 | Air intake passage cleaning method and its apparatus | — | 2000-10-24 |
| 6065301 | Accessory structure for vehicle air-conditioner | — | 2000-05-23 |
| 6047714 | Air intake passage cleaning method and its apparatus | — | 2000-04-11 |
| 5911742 | Attachment to air-conditioner | — | 1999-06-15 |
| 5737937 | Accessory structure for spray cleaning a heat exchanger in a vehicle air-conditioner | — | 1998-04-14 |
| 5664423 | Attachment for vehicle air-conditioning apparatus | — | 1997-09-09 |
| 5615716 | Engine coolant changing apparatus | — | 1997-04-01 |
| 5573045 | Engine coolant changing apparatus | — | 1996-11-12 |
| 5509972 | Air-conditioner cleaning method | Taiko Kitai, Katsuyuki Sasaki, Takeo Karashima | 1996-04-23 |