Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480510 | Oil-free screw compressor and design method therefor | Toshiyuki Miyatake | 2019-11-19 |
| 10309402 | Oil-free screw compressor having atmosphere open hole formed in casing and communication hole formed in shaft seal device | Toshiyuki Miyatake | 2019-06-04 |