Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8631664 | Air conditioner with automatic air filter cleaner | Makoto Shibuya, Shinji Sugiyama, Hideo Okamoto, Ritsushi Taira | 2014-01-21 |
| 8038517 | Air conditioner and method for assembling the same | Makoto Shibuya, Tsutomu Nagashima, Shinnji Sugiyama, Ryouhei Kondo, Masato Oda +1 more | 2011-10-18 |
| 6729154 | Air conditioner | Shinsei Takashima, Masamitsu Usui, Yoji Maki | 2004-05-04 |