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USPTO Patent Rankings Data through Dec 31, 2025
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Etsuro Doi — 10 Patents

KEKel: 10 patents #1 of 60Top 2%
Tama, JP: #72 of 402 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Etsuro Doi has been granted 10 US patents while listed as an inventor at Kel. The first was granted in 1992 and the most recent in December 2001. Etsuro Doi ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Etsuro Doi in Tama, JP.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6325681 Cable connector and contacts for cable connector 2001-12-04
6299481 Shielded connector 2001-10-09
5904597 Surface-contact connector Shigeyasu Kitamura 1999-05-18
5647749 Electrical connector assembly Kiyoshi Atoh, Shoichi Mochizuki, Mazakazu Koiso 1997-07-15
5591036 Circuit board connector Kiyoshi Atoh, Shoichi Mochizuki, Masakazu Koiso 1997-01-07
5536182 Insulation displacement connector Kiyoshi Atoh, Shoichi Mochizuki, Mazakazu Koiso 1996-07-16
5516297 Surface mount electrical devices Koyoshi Atoh, Shoichi Mochizuki, Mazakazu Koiso 1996-05-14
5263867 Connector with contact locating housing part Kiyoshi Atoh, Mutsuo Hatanaka 1993-11-23
5231685 Multi-way electro-optic connector assemblies and optical fiber ferrule assemblies therefor Hideyuki Hanzawa, Toshihiro Nonaka 1993-07-27
5133670 Surface mount connector with contact aligning member Kiyoshi Atoh, Mutsuo Hatanaka 1992-07-28