Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028989 | Paper stacking apparatus | Shinji Shibata, Minoru Kadowaki | 2011-10-04 |
| 7900916 | Paper sheet transport mechanism and paper handling device | Toshifumi Sugahara, Hiroshi Aoi, Shinji Shibata | 2011-03-08 |
| 7556263 | Paper stacking apparatus | Shinji Shibata, Minoru Kadowaki | 2009-07-07 |
| 7276099 | Electric vacuum cleaner | Shoji Hayashi, Yukiji Iwase, Yasuyuki Hiruta, Kyouichi Kanno, Susumu Sato +4 more | 2007-10-02 |
| 7207083 | Electric vacuum cleaner | Shoji Hayashi, Yukiji Iwase, Yasuyuki Hiruta, Kyouichi Kanno, Susumu Sato +4 more | 2007-04-24 |