Koichi Sugimoto

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

Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%

KS Kobe Steel: 5 patents #309 of 2,031Top 20%

KS Kobe Steel: 5 patents #293 of 1,773Top 20%

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

Mazda Motor: 2 patents #1,722 of 4,755Top 40%

Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%

MC Mitsubishi Heavy Industries Marine Machinery & Equipment Co.: 1 patents #11 of 27Top 45%

NC Nikkiso Co.: 1 patents #168 of 287Top 60%

SU Shinshu University: 1 patents #77 of 261Top 30%

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

DS Daini Seikosha: 1 patents #64 of 155Top 45%

HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%

Overall (All Time): #49,181 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #	Title	Co-Inventors	Date
4376810	Alkaline cell	Kazutoshi Takeda	1983-03-15
4367591	Fitting device	Hisaaki Hirabayashi	1983-01-11
4197627	Interfitting apparatus	Hisaaki Hirabayashi	1980-04-15