Toshiyuki Sakai

DA Daicel: 12 patents #16 of 523Top 4%

Aisin Seiki Kabushiki Kaisha: 11 patents #268 of 3,782Top 8%

SE Seiko Epson: 9 patents #2,012 of 7,774Top 30%

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%

Dai Nippon Printing Co.: 8 patents #275 of 2,222Top 15%

Brother Kogyo: 7 patents #1,084 of 2,767Top 40%

DI Disco: 5 patents #127 of 708Top 20%

MI Minolta: 5 patents #345 of 1,109Top 35%

KM Konica Minolta: 4 patents #503 of 1,361Top 40%

CP Chugai Pharmaceutical: 4 patents #251 of 1,238Top 25%

DI Daikin Industries: 4 patents #820 of 2,957Top 30%

SO Sony: 3 patents #10,744 of 25,231Top 45%

HS Hitachi Systems: 2 patents #13 of 78Top 20%

TO Toyota: 2 patents #10,861 of 26,838Top 45%

MC Mitsubishi Diamond Industrial Co.: 2 patents #14 of 58Top 25%

OB Oncolys Biopharma: 2 patents #1 of 17Top 6%

SD Showa Denko: 2 patents #110 of 593Top 20%

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

MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%

MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%

KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%

Pioneer: 1 patents #1,107 of 1,730Top 65%

Ricoh Company: 1 patents #6,936 of 9,818Top 75%

DT Director-General Of Agency Of Industrial Science And Technology: 1 patents #194 of 696Top 30%

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

SY Sysmex: 1 patents #499 of 868Top 60%

DC Dowa Mining Co.: 1 patents #157 of 324Top 50%

DC Dowa Electronics Materials Co.: 1 patents #148 of 241Top 65%

MC Mita Industrial Co.: 1 patents #653 of 891Top 75%

Overall (All Time): #14,050 of 4,157,543Top 1%

101

Patents All Time

Issued Patents All Time

Showing 101–101 of 101 patents

Patent #	Title	Co-Inventors	Date
4284675	Carriers for catalysts	Koichi Matsuo, Shozo Naito	1981-08-18