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

Eitaro Ijichi — 1 Patent

CKCkd: 1 patents #167 of 332Top 55%
Kasugai, JP: #508 of 842 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Eitaro Ijichi has been granted 1 US patent while listed as an inventor at Ckd. All of these patents were granted in 2006. Eitaro Ijichi ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Eitaro Ijichi in Kasugai, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7070160 Diaphragm valves Shigeru Osugi 2006-07-04