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Hiroshi Rikimaru — 4 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
RCRion Co.: 2 patents #29 of 139Top 25%
Kyoto, JP: #4,232 of 11,909 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Hiroshi Rikimaru has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2008 and the most recent in November 2011. Hiroshi Rikimaru ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hiroshi Rikimaru in Kyoto, JP.

Patents per Year

Patents granted per year, 2008 to 2011Bar chart with a peak of 1 patents in 2008.peak 12008: 1 patents20082009: 1 patents20092010: 1 patents20102011: 1 patents2011

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8057234 Foreign language learning apparatus Shinichi Sakamoto, Takeshi Nakaichi 2011-11-15
7729907 Apparatus and method for preventing senility — 2010-06-01
7502483 Hearing aid, training device, game device, and audio output device — 2009-03-10
7421392 Diagnosis device and diagnosis method — 2008-09-02

Frequent Collaborators

Shinichi Sakamoto1 shared
Takeshi Nakaichi1 shared

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