Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Yuichiro Itakura — 5 Patents

NENetzero: 3 patents #11 of 23Top 50%
Tokyo, JP: #26,440 of 90,295 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Yuichiro Itakura has been granted 5 US patents while listed as an inventor at Netzero. The first was granted in 2000 and the most recent in March 2004. Yuichiro Itakura ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Yuichiro Itakura in Tokyo, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6711551 Information provider, terminal and system and recording medium for the terminal Yuichiro Tsutsui, Nobuyuki Fujita 2004-03-23 $13,866,000
6639608 System for displaying two independent images received from network 2003-10-28
6356893 Message searching system and terminal Yuichiro Tsutsui, Nobuyuki Fujita 2002-03-12
6351745 Communication system for distributing such message as advertisement to user of terminal equipment Yuichiro Tsutsui, Nobuyuki Fujita 2002-02-26 $7,412,000
6157946 Communication system capable of providing user with picture meeting characteristics of user and terminal equipment and information providing device used for the same Yuichiro Tsutsui, Nobuyuki Fujita 2000-12-05 $4,915,000