Koji Sasaki

Canon: 34 patents #1,468 of 19,416Top 8%

HI Hitachi: 23 patents #1,433 of 28,497Top 6%

Ricoh Company: 20 patents #1,076 of 9,818Top 15%

FI Fujifilm Business Innovation: 17 patents #87 of 1,659Top 6%

DE Dexerials: 14 patents #27 of 387Top 7%

TL Tokyo Electron Limited: 7 patents #1,084 of 5,567Top 20%

SO Sony: 6 patents #6,793 of 25,231Top 30%

TC Toyoda Gosei Co.: 6 patents #376 of 2,296Top 20%

FC Fuji Electric Co.: 6 patents #458 of 2,643Top 20%

FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%

Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%

MI Mitutoyo: 4 patents #230 of 721Top 35%

PA Panasonic: 4 patents #6,180 of 21,108Top 30%

NA Namics: 3 patents #23 of 113Top 25%

ZK Zeria Shinyaku Kogyo Kabushiki Kaisha: 3 patents #1 of 19Top 6%

NC Nkk Co.: 2 patents #309 of 1,173Top 30%

HC Hitachi Cable: 2 patents #313 of 1,086Top 30%

JM Johnan Manufacturing: 2 patents #8 of 34Top 25%

MI Mitsuba: 2 patents #181 of 618Top 30%

TI Toray Industries: 1 patents #2,000 of 3,690Top 55%

SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%

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

SC Sokkia Co.: 1 patents #20 of 45Top 45%

AD Advantest: 1 patents #714 of 1,193Top 60%

TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%

FC Fuji Electric Device Technology Co.: 1 patents #91 of 205Top 45%

AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%

📍 Yokohama, JP: #41 of 480 inventorsTop 9%

Overall (All Time): #4,420 of 4,157,543Top 1%

176

Patents All Time

Issued Patents All Time

Showing 176–176 of 176 patents

Patent #	Title	Co-Inventors	Date
4236053	Puffer type gas circuit breaker	Yoshihito Asai	1980-11-25