Takatoshi Ishikawa

Fujitsu Limited: 122 patents #13 of 24,456Top 1%

FI Fujifilm Business Innovation: 8 patents #1,176 of 5,238Top 25%

AC Alps Electric Co.: 7 patents #261 of 2,177Top 15%

MC Minolta Co.: 5 patents #395 of 1,416Top 30%

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%

PA Panasonic: 2 patents #9,678 of 21,108Top 50%

Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%

FC Fujisawa Pharmaceutical Co.: 1 patents #444 of 782Top 60%

📍 Yamanashi, JP: #3 of 1,957 inventorsTop 1%

Overall (All Time): #6,145 of 4,157,543Top 1%

151

Patents All Time

Issued Patents All Time

Showing 151–151 of 151 patents

Patent #	Title	Co-Inventors	Date
4292401	Bleaching composition for photographic processing	Isamu Itoh, Taiji Hashimura	1981-09-29