Yoichi Ito

Ricoh Company: 43 patents #311 of 9,818Top 4%

SO Sony: 12 patents #3,691 of 25,231Top 15%

JS Jfe Steel: 5 patents #316 of 1,401Top 25%

HI Hitachi: 3 patents #10,712 of 28,497Top 40%

HD Hitachi Displays: 3 patents #305 of 752Top 45%

SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%

Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%

OI Olympus Imaging: 1 patents #211 of 341Top 65%

Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%

HC Hitachi Electronic Devices Co.: 1 patents #50 of 92Top 55%

TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%

PA Panasonic: 1 patents #13,264 of 21,108Top 65%

KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%

📍 Tokyo, CA: #112 of 583 inventorsTop 20%

Overall (All Time): #24,793 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
5121266	Magnetic recording/reproducing apparatus	Fumihiko Yamanushi, Atsushi Yoshioka, Susumu Ohtsuka	1992-06-09