Norio Yoshikawa

KT Kabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%

TS Toshiba Electronic Devices & Storage: 8 patents #79 of 900Top 9%

DT Daido Tokushuko: 4 patents #31 of 382Top 9%

IC Intermetallics Co.: 2 patents #7 of 17Top 45%

OE Omron Tateisi Electronics: 2 patents #150 of 599Top 30%

DC Denki Onkyo Co.: 2 patents #3 of 18Top 20%

SC Screen Holdings Co.: 2 patents #326 of 686Top 50%

DC Daido Steel Co.: 2 patents #47 of 272Top 20%

General Motors: 1 patents #9,361 of 18,328Top 55%

DK Daido Tokushuko K.K.: 1 patents #1 of 19Top 6%

Kubota: 1 patents #1,212 of 2,059Top 60%

KC Kyowa Co.: 1 patents #20 of 64Top 35%

Overall (All Time): #130,455 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #	Title	Co-Inventors	Date
4791548	Discrete time control apparatus	Tadaaki Hotta	1988-12-13
4649262	Heating cylinder device for a molding machine	—	1987-03-10
4243965	Deflection coil	—	1981-01-06
4181908	Deflection coil	—	1980-01-01