Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007256 | Electromagnetic reciprocating fluid device | Shigemitsu Ishibashi, Haruki Nakao | 2011-08-30 |
| 7963751 | Electromagnetic reciprocating fluid device | Haruki Nakao, Kunihiro Yamamoto | 2011-06-21 |