Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561301 | System and method for image pattern printing on objects | Hisayoshi Osumi, Takashi Watanabe, Toshiyuki Yamamura, Satoshi Mine, Kaoru Nakajima | 2009-07-14 |
| 7348477 | Electronic keyboard musical instrument | Hideki Ishihara | 2008-03-25 |
| 6995308 | Electric keyboard assembly and method of manufacturing weight members provided in keyboard assembly | Kenichi Nishida, Hideki Ishihara | 2006-02-07 |
| 6972358 | Electronic keyboard musical instrument | Hideki Ishihara | 2005-12-06 |
| 6888053 | Electronic keyboard musical instrument | Hideki Ishihara | 2005-05-03 |