Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8166656 | Method and apparatus for working a screw rotor, end mill for working , and method of manufacturing a screw compressor | Tomoaki Nakasuji, Yusaku Miyamoto, Yasunori Matsumoto | 2012-05-01 |