Keiji Honda

PL Pfu Limited: 6 patents #65 of 478Top 15%

SI Sumitomo Heavy Industries: 6 patents #59 of 917Top 7%

SO Sony: 5 patents #7,785 of 25,231Top 35%

FC Fujisawa Pharmaceutical Co.: 3 patents #238 of 782Top 35%

Canon: 1 patents #14,899 of 19,416Top 80%

RI Riken: 1 patents #679 of 1,824Top 40%

FC Futaba Industrial Co.: 1 patents #70 of 167Top 45%

AC Asahi Diamond Industrial Co.: 1 patents #5 of 24Top 25%

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%

📍 Kashiwazaki, JP: #1 of 2 inventorsTop 50%

Overall (All Time): #148,353 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4682962	Method of manufacturing a cathode ray tube	Katsuhiko Hata, Hisao Ohashi, Takahiko Yamakami	1987-07-28