Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997349 | Beach cleaner | Shokichi Arai, Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda | 2011-08-16 |
| 7896094 | Beach cleaner | Shokichi Arai, Hidekazu Sakai | 2011-03-01 |
AH
Akito Hiramatsu
Overall (2011): #114,152 of 364,097Top 35%
2
Patents 2011