Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8529225 | Electromagnetic reciprocating fluid device | Shigemitsu Ishibashi, Haruki Nakao | 2013-09-10 |
| 8007256 | Electromagnetic reciprocating fluid device | Shigemitsu Ishibashi, Haruki Nakao | 2011-08-30 |
| 7963751 | Electromagnetic reciprocating fluid device | Haruki Nakao, Kunihiro Yamamoto | 2011-06-21 |
| 5731947 | Electricity tapping apparatus which automatically turns on the slave units by sensing the power status of the master unit | — | 1998-03-24 |
| 4881455 | Piston for use in a gas pump | — | 1989-11-21 |
| 4867656 | Free piston for use in an electromagnetic reciprocating compressor | — | 1989-09-19 |
| 4395079 | Plastic molded mesh screen covering for audio cabinets | Masayoshi Yano | 1983-07-26 |
| 4288840 | Printed circuit board | Kaoru Konishikawa, Shunsuke Sasaki, Kouichi Higuchi | 1981-09-08 |