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

Junji Chatani — 1 Patent

DYDynic: 1 patents #11 of 67Top 20%
Saitama, JP: #6,779 of 10,685 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Junji Chatani has been granted 1 US patent while listed as an inventor at Dynic. All of these patents were granted in 2004. Junji Chatani ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Junji Chatani in Saitama, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6685416 Bookbinding device and method Katsuyasa Itoh, Masahiko Sakai, Motohiro Susa, Katsumi Maeda, Toshiaki Tsukahara +2 more 2004-02-03