Kenichi Matsumoto

The Yokohama Rubber Co.: 35 patents #21 of 1,136Top 2%

PA Panasonic: 22 patents #856 of 21,108Top 5%

Canon: 12 patents #5,447 of 19,416Top 30%

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%

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

MC Minolta Co.: 3 patents #574 of 1,416Top 45%

KM Konica Minolta: 3 patents #626 of 1,361Top 50%

KC Konishiroku Photo Industry Co.: 2 patents #360 of 894Top 45%

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%

CC Citizen Holdings Co.: 1 patents #208 of 431Top 50%

Ricoh Company: 1 patents #6,936 of 9,818Top 75%

RO Roland: 1 patents #161 of 292Top 60%

SC Secom Co.: 1 patents #6 of 47Top 15%

TC Taiheiyo Cement: 1 patents #83 of 203Top 45%

TC Tamron Co.: 1 patents #74 of 138Top 55%

TR Tris: 1 patents #21 of 42Top 50%

YC Yaskawa Electric Mfg. Co.: 1 patents #12 of 39Top 35%

NT Nara Institute Of Science And Technology: 1 patents #13 of 65Top 20%

CC Citizen Systems Japan Co.: 1 patents #21 of 40Top 55%

DE Denso: 1 patents #6,940 of 11,792Top 60%

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

JE Jm Energy: 1 patents #11 of 31Top 40%

JO Joled: 1 patents #250 of 392Top 65%

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%

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

Overall (All Time): #14,091 of 4,157,543Top 1%

101

Patents All Time

Issued Patents All Time

Showing 101–101 of 101 patents

Patent #	Title	Co-Inventors	Date
4375327	Roller fixing device	Hiroaki Ura, Tamio Ogino, Junichi Koiso	1983-03-01