Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8251101 | Refrigerant piping unit and method of manufacturing pipe for the same | Makoto Yoshino, Hiroki Naganawa, Naka Shibata | 2012-08-28 |
| 6338676 | Air conditioner | Jun Kitamura, Takahiro Murayama, Motoo Sano, Shinichi Suzuki, Hiroaki Ishikawa +2 more | 2002-01-15 |
| 4662801 | Cutting tool | Takashi Nishiguchi | 1987-05-05 |