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USPTO Patent Rankings Data through Dec 31, 2025
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Hideki Hitachi — 2 Patents

Nec: 2 patents #5,544 of 14,502Top 40%
Tokyo, JP: #44,108 of 90,295 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Hideki Hitachi has been granted 2 US patents while listed as an inventor at Nec. The first was granted in 1991 and the most recent in October 1992. Hideki Hitachi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Hideki Hitachi in Tokyo, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5153543 Electromagnetic relay Naoto Okihara, Masao Saito, Kazutoshi Kaneyama 1992-10-06 $22,000
5015978 Electromagnetic relay Kiyotaka Yokoo, Matsujiro Ikeda 1991-05-14 $43,000