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

Yuji Igata

PAPanasonic: 22 patents #856 of 21,108Top 5%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
SOSony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #113,693 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
6677829 Balanced transmission termination device and receiver unit composed thereof Masahiro Maki, Satoshi Hasako, Junji Kondou 2004-01-13
6507622 Communication systems, sender and receiver Masahiro Maki, Shoichi Koga, Satoshi Shinozaki, Satoshi Hasako, Michinori Kishimoto +1 more 2003-01-14
6414983 Digital communication apparatus Shoichi Koga, Satoshi Hasako, Masahiro Maki, Michinori Kishimoto 2002-07-02
6415005 Digital communication apparatus Shoichi Koga, Satoshi Hasako, Masahiro Maki, Michinori Kishimoto 2002-07-02
6288631 Power-line carrier communications system Satoshi Shinozaki, Masahiro Maki 2001-09-11
6028886 Digital communication apparatus Shoichi Koga, Satoshi Hasako, Masahiro Maki, Michinori Kishimoto 2000-02-22
5835529 Digital communication apparatus Shoichi Koga, Satoshi Hasako, Masahiro Maki, Michinori Kishimoto 1998-11-10