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

Jun Kawakami — 4 Patents in 2021

NCNagase Chemtex: 1 patents #3 of 9Top 35%
NINikon: 1 patents #74 of 257Top 30%
NCNikon Vision Co.: 1 patents #2 of 8Top 25%
TIToray Industries: 1 patents #132 of 425Top 35%
Toyota: 1 patents #1,392 of 3,956Top 40%
Anjo, JP: #24 of 243 inventorsTop 10%
Overall (2021): #46,776 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11119330 Reticle, reticle unit, rifle scope, and optical apparatus Koichi Watanabe, Katsunori Tomita, Yasuaki Ishikawa, Satoru Okazaki 2021-09-14
10988469 Method for producing optically active compound Sayuri Hirano, Yoshiyuki Takeda, Koji Nakamoto, Motoki Ikeuchi, Masato Kitayama +1 more 2021-04-27
10966656 Electric conductive fiber structure, electrode member, and method of producing electric conductive fiber structure Noriko Nagai, Keiji Takeda, Hiroshi Nagata, Tatsuya Ohori 2021-04-06
10883441 Control system for diesel engine 2021-01-05 $559,000