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USPTO Patent Rankings Data through Dec 31, 2025
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Tetsuhiro Maruyama — 3 Patents

Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
OCOki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
OCOki Semiconductor Co.: 1 patents #202 of 526Top 40%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Tetsuhiro Maruyama has been granted 3 US patents while listed as an inventor at Casio Computer Co.. The first was granted in 2008 and the most recent in May 2012. Tetsuhiro Maruyama ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tetsuhiro Maruyama in Tokyo, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8189098 Digital camera having double housing construction for heat dissipation, high rigidity, and reduced tactile temperature Akira Suzuki, Kenji Fukasawa 2012-05-29
7776691 Semiconductor memory device and manufacturing method for semiconductor device Takaharu Nakamura, Masao Tsujimoto, Ikuo Kurachi 2010-08-17
7462896 Semiconductor memory device and manufacturing method for semiconductor memory device Takaharu Nakamura, Masao Tsujimoto, Ikuo Kurachi 2008-12-09

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Sathish Kumar Thanganathan3
Debbie Maloyd3
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Paul Sabatka3
Sergii Bomko3