Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473800 | Device management system | Yuki Tamura, Fumihiko Ishizono | 2022-10-18 |
| 11261867 | Compressor comprising a compression mechanism driven by a main shaft having a balance weight comprising an annular oil-receiving recessed portion communicating with a part of a hollow portion of the balance weight | Kohei TATSUWAKI, Fumihiko Ishizono, Tomokazu Matsui | 2022-03-01 |