Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tamon Mashimo — 1 Patent

Hitachi: 1 patents #17,777 of 28,497Top 65%
Hiratsuka, JP: #1,713 of 2,583 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Tamon Mashimo has been granted 1 US patent while listed as an inventor at Hitachi. All of these patents were granted in 2007. Tamon Mashimo ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Tamon Mashimo in Hiratsuka, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7162500 Memory media archiving system and operating method therefor Hiroaki Iguchi 2007-01-09 $107,000