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

Seiji Uchida — 9 Patents

ANAnritsu: 8 patents #25 of 633Top 4%
Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #579,643 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8311371 Optical modulation device Kenji Kawano, Masaya Nanami, Hiroaki Senda, Takeshi Hondo, Yuji Sato +1 more 2012-11-13
8204344 Optical modulator Kenji Kawano, Eiji Kawazura, Yuji Sato, Masaya Nanami, Toru Nakahira +2 more 2012-06-19
8170381 Optical modulator Kenji Kawano, Eiji Kawazura, Yuji Sato, Masaya Nanami, Nobuhiro Igarashi +2 more 2012-05-01
7916981 Optical modulator Kenji Kawano, Masaya Nanami, Yuji Sato, Nobuhiro Igarashi, Toru Nakahira +1 more 2011-03-29
7643708 Optical modulator Kenji Kawano, Masaya Nanami, Yuji Sato, Nobuhiro Igarashi, Toru Nakahira +1 more 2010-01-05
7474812 Monitor photodetector equipped optical modulator Kenji Kawano, Masaya Nanami, Makoto Saito, Toru Nakahira, Yuji Sato 2009-01-06
7330613 Waveguide type optical device Kenji Kawano, Masaya Nanami, Makoto Saito, Toru Nakahira, Yuji Sato 2008-02-12
6891982 Optical modulation device having excellent electric characteristics by effectively restricting heat drift Kenji Kawano, Toru Nakahira, Masaya Nanami, Yuji Sato 2005-05-10
5210876 Method for calling interpreter language procedure from compiler language procedure 1993-05-11