Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryuichirou Tamochi — 5 Patents

HSHitachi Science Systems: 4 patents #4 of 77Top 6%
Hitachi: 4 patents #8,948 of 28,497Top 35%
Hitachinaka, JP: #854 of 2,447 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ryuichirou Tamochi has been granted 5 US patents while listed as an inventor at Hitachi. The first was granted in 2004 and the most recent in October 2025. Ryuichirou Tamochi ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ryuichirou Tamochi in Hitachinaka, JP.

Patents per Year

Patents granted per year, 2004 to 2007Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042005: 1 patents20052006: 1 patents20062007: 1 patents2007

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12437513 Microstructure evaluation system and sample image imaging method Sayaka KURATA 2025-10-07
7217925 Scanning electron microscope Yoshinori Nakada, Shunsuke Koshihara, Yayoi Hosoya, Hidetoshi Morokuma 2007-05-15 $220,000
7009178 Scanning electron microscope Yoshinori Nakada, Shunsuke Koshihara, Yayoi Hosoya, Hidetoshi Morokuma 2006-03-07 $120,000
6897445 Scanning electron microscope Yoshinori Nakada, Shunsuke Koshihara, Yayoi Hosoya, Hidetoshi Morokuma 2005-05-24 $73,000
6713761 Scanning electron microscope Yoshinori Nakada, Shunsuke Koshihara, Yayoi Hosoya, Hidetoshi Morokuma 2004-03-30 $280,000