Junichi Matsumoto

Ricoh Company: 118 patents #21 of 9,818Top 1%

TO Toyota: 33 patents #447 of 26,838Top 2%

KA Kataoka: 15 patents #1 of 23Top 5%

IC Idemitsu Kosan Co.: 6 patents #239 of 1,237Top 20%

NT National Institute Of Advanced Industrial Science And Technology: 4 patents #306 of 3,134Top 10%

Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%

KU Kyoto Prefectural Public University: 3 patents #10 of 137Top 8%

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%

CL Copal Company Limited: 3 patents #16 of 139Top 15%

MC Mitsubishi Diamond Industrial Co.: 3 patents #8 of 58Top 15%

NC Nidec Copal: 2 patents #55 of 172Top 35%

IC Idemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%

AD Advantest: 2 patents #465 of 1,193Top 40%

OK Osaka Yuki Kagaku Kogyo Kabushiki Kaisha: 2 patents #5 of 31Top 20%

SO Sony: 2 patents #12,963 of 25,231Top 55%

PC Prime Polymer Co.: 1 patents #30 of 116Top 30%

PC Primearth Ev Energy Co.: 1 patents #21 of 107Top 20%

JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%

SH Shimadzu: 1 patents #1,152 of 2,007Top 60%

SL Shiseido Company, Limited: 1 patents #543 of 1,112Top 50%

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%

OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%

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

Overall (All Time): #3,329 of 4,157,543Top 1%

201

Patents All Time

Issued Patents All Time

Showing 201–201 of 201 patents

Patent #	Title	Co-Inventors	Date
4809018	Thermal transfer printer	Kenji Nakamura, Kenichi Hironaka, Nobuyuki Tottori, Katsumi Imaizumi, Syoji Yokoyama +7 more	1989-02-28