Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997349 | Beach cleaner | Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda, Akito Hiramatsu | 2011-08-16 |
| 7896094 | Beach cleaner | Hidekazu Sakai, Akito Hiramatsu | 2011-03-01 |
SA
Shokichi Arai
Overall (2011): #68,027 of 364,097Top 20%
2
Patents 2011