Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EA

Ei-Ichi Ando — 1 Patent

SESpc Electronics: 1 patents #6 of 24Top 25%
Nanbu, JP: #741 of 1,154 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ei-Ichi Ando has been granted 1 US patent while listed as an inventor at Spc Electronics. All of these patents were granted in 2003. Ei-Ichi Ando ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ei-Ichi Ando in Nanbu, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6616774 Wafer cleaning device and tray for use in wafer cleaning device Haruki Sonoda, Kazuto Nishizaki, Tetsuji Oishi, Masatoshi Hirokawa, Yusuke Abe +1 more 2003-09-09