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

Toshio Koga — 34 Patents

Nec: 27 patents #306 of 14,502Top 3%
NENec Home Electronics: 4 patents #8 of 106Top 8%
NCNippon Electric Co.: 3 patents #55 of 792Top 7%
NTNTT: 3 patents #1,627 of 4,871Top 35%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
KCKokusai Denshin Denwa Co.: 2 patents #159 of 382Top 45%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
Overall (All Time): #103,012 of 4,157,543Top 3%
34 Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
4727421 Method of coding picture signal and picture coding/decoding apparatus utilizing the same 1988-02-23
4723161 Method and arrangement of coding digital image signals utilizing interframe correlation 1988-02-02
4710810 Predictive coding/decoding apparatus for video signal 1987-12-01
4684923 Encoder with selective indication of compression encoding and decoder therefor 1987-08-04
4656511 Video signal compressing and coding apparatus 1987-04-07
4562468 Adaptive predictive coding apparatus of television signal 1985-12-31
4460923 Predictive coding system for television signals Akira Hirano 1984-07-17
4371895 Coded video signal transmitting and receiving system 1983-02-01
4202011 Television signal coder 1980-05-06