Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480510 | Oil-free screw compressor and design method therefor | Yoshio Yano | 2019-11-19 |
| 10359043 | Oil-free screw compressor | — | 2019-07-23 |
| 10352323 | Method for forming hole-processed cast, cast casing, and screw compressor casing | Tomoya Yonetsu | 2019-07-16 |
| 10309402 | Oil-free screw compressor having atmosphere open hole formed in casing and communication hole formed in shaft seal device | Yoshio Yano | 2019-06-04 |