KK

Kazuhiro Koga

Canon: 15 patents #4,433 of 19,416Top 25%
AC Aoyama Seisakusho Co.: 8 patents #4 of 115Top 4%
SU Subaru: 1 patents #677 of 1,436Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #150,298 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5251586 Valve mechanism for an internal combustion engine Takashi Yamamoto, Shinji Kamimaru, Kenzo Watanabe 1993-10-12