Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MO

Masashi OKA

SCSei Optifrontier Co.: 1 patents #45 of 82Top 55%
Chigasaki, KY: #1 of 1 inventorsTop 100%
Overall (All Time): #1,953,330 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9958620 Optical fiber with connector Kenichiro Ohtsuka, Kotaro Ueda, Tsutomu Kamada, Junji Fukui 2018-05-01
6286898 Vehicle sunroof with weatherstrip mounting flange Eiji Mori, Shuji Matsuyama, Akira Shikada 2001-09-11