Takeshi Ishikawa

SE Seiko Epson: 20 patents #903 of 7,774Top 15%

Honda Motor Co.: 16 patents #952 of 21,052Top 5%

MC Mitsubishi Chemical: 14 patents #50 of 3,022Top 2%

KI Kioritz: 10 patents #21 of 197Top 15%

DE Denso: 7 patents #1,924 of 11,792Top 20%

SI Sumitomo Rubber Industries: 6 patents #366 of 1,637Top 25%

TO Toyota: 5 patents #5,641 of 26,838Top 25%

Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%

YA Yazaki: 4 patents #1,022 of 3,427Top 30%

HE Hitachi Tool Engineering: 4 patents #2 of 41Top 5%

IA Interlego Ag: 3 patents #66 of 221Top 30%

SC Stanley Electric Co.: 3 patents #245 of 1,072Top 25%

PA Panasonic: 3 patents #7,617 of 21,108Top 40%

NC Nishikawa Rubber Co.: 2 patents #72 of 246Top 30%

KA Kao: 2 patents #1,388 of 3,221Top 45%

Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%

Nsk: 2 patents #645 of 1,559Top 45%

OU Osaka University: 1 patents #681 of 1,984Top 35%

FC Fuji Kiko Co.: 1 patents #99 of 208Top 50%

ML Mitsubishi Rayon Cleansui Company, Limited: 1 patents #10 of 14Top 75%

OI Osaka Municipal Technical Research Institute: 1 patents #17 of 40Top 45%

AC Anden Co.: 1 patents #53 of 95Top 60%

PD Piolax Medical Devices: 1 patents #9 of 27Top 35%

SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%

SL Suntory Holdings Limited: 1 patents #406 of 846Top 50%

SM Suzuki Motor: 1 patents #523 of 1,209Top 45%

TC Tachi-S Co.: 1 patents #194 of 398Top 50%

UN Unknown: 1 patents #29,356 of 83,584Top 40%

Yamaha: 1 patents #1,232 of 2,001Top 65%

YK Ykk: 1 patents #472 of 845Top 60%

📍 Toyokawa, NY: #1 of 2 inventorsTop 50%

Overall (All Time): #8,915 of 4,157,543Top 1%

126

Patents All Time

Issued Patents All Time

Showing 126–126 of 126 patents

Patent #	Title	Co-Inventors	Date
4398765	Cover plate for spare wheel housing	—	1983-08-16