Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774114 | Air treatment device | Hidekazu Tanaka, Kei Suzumura | 2023-10-03 |
| 11384957 | Drain pan, drain pan unit, and air conditioner | Kei Suzumura | 2022-07-12 |
| 8657937 | Dust collector | Kanji Motegi, Shunji Haruna, Toshio Tanaka | 2014-02-25 |
| 7185504 | Air conditioner | Masaya Kasai, Sumio Shiochi, Kazuhisa Shigemori | 2007-03-06 |
| 5538691 | Reaction vessel for optical measurement | Kaori Tosa, Yoshiyuki Hama, Kouichi Yamamoto, Masakazu Yoshida, Hiroshi Yagi +2 more | 1996-07-23 |