Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Tomio Oosone — 2 Patents

HCHitachi Device Engineering Co.: 2 patents #202 of 514Top 40%
Hitachi: 2 patents #13,405 of 28,497Top 50%
Shirako, JP: #7 of 13 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tomio Oosone has been granted 2 US patents while listed as an inventor at Hitachi. All of these patents were granted in 2004. Tomio Oosone ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tomio Oosone in Shirako, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6836310 Liquid crystal display device Hiroyuki Yamazaki, Tetsuya Kawamura 2004-12-28 $224,000
6734941 Liquid crystal display device Hiroyuki Yamazaki, Tetsuya Kawamura 2004-05-11 $228,000