Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11664252 | Cleaning device, polishing device, and device and method for calculating rotation speed of substrate in cleaning device | Hisajiro Nakano, Fuyuki Ogaki, Yusuke Watanabe, Junji Kunisawa | 2023-05-30 |
| 5457290 | Catalyzer-containing muffler | Toshitsugu Sase | 1995-10-10 |
| 5004068 | Muffler | Toshitsugu Sase, Kiyoshi Yanagisawa, Mitsuru Maeda | 1991-04-02 |