Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8221011 | Recording apparatus | — | 2012-07-17 |
| 7563081 | Gas compressor | Yongwei Shi | 2009-07-21 |
| 7077633 | Electric compressor | — | 2006-07-18 |
| 6872065 | Vane gas compressor having two discharge passages with the same length | Koichi Shimada | 2005-03-29 |
| 5722816 | Gas compressor | Koichi Shimada | 1998-03-03 |