Yoshio Matsumoto

HI Hitachi: 6 patents #6,582 of 28,497Top 25%

DE Denso: 4 patents #3,129 of 11,792Top 30%

MC Mitsubishi Chemical: 2 patents #163 of 716Top 25%

HC Hitachi Koki Haramachi Co.: 2 patents #3 of 9Top 35%

Kubota: 2 patents #849 of 2,059Top 45%

Bridgestone: 1 patents #1,586 of 2,860Top 60%

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%

SO Sony: 1 patents #17,262 of 25,231Top 70%

AK Allied Telesis Holdings K.K.: 1 patents #17 of 48Top 40%

NT National Institute Of Advanced Industrial Science And Technology: 1 patents #1,256 of 3,134Top 45%

NS Nec Toppan Circuit Solutions: 1 patents #11 of 27Top 45%

SD Showa Denko: 1 patents #231 of 593Top 40%

CC Chugai Ro Kogyo Co.: 1 patents #2 of 17Top 15%

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

📍 Tsukuba, JP: #98 of 2,818 inventorsTop 4%

Overall (All Time): #146,184 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
D268587	Industrial robot	Michinaga Kono, Hirosuke Katsumi, Fumio Fukuchi	1983-04-12
4189420	Polyolefin resin composition and method for making polyolefin film	Masaaki Sugimoto, Nobushige Ikeya, Koichi Hasegawa	1980-02-19