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USPTO Patent Rankings Data through Dec 31, 2025
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Tetsu Oomori — 2 Patents

HCHitachi Engineering & Services Co.: 2 patents #17 of 129Top 15%
Hitachi: 2 patents #13,405 of 28,497Top 50%
Hitachi, JP: #1,578 of 2,929 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tetsu Oomori has been granted 2 US patents while listed as an inventor at Hitachi. All of these patents were granted in 1999. Tetsu Oomori ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tetsu Oomori in Hitachi, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5929458 Radiation shield Isao Nemezawa, Tadahiro Kimura, Akira Mizuochi 1999-07-27 $396,000
5859438 Radiation shielding body Isao Nemezawa, Tadahiro Kimura, Akira Mizuochi 1999-01-12 $279,000