Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Fumihiko Ishizono, Tomokazu Matsui, Shuhei Koyama | 2022-03-01 |