Tetsuya Ishikawa

Applied Materials: 89 patents #54 of 7,310Top 1%

Canon: 38 patents #1,203 of 19,416Top 7%

Honda Motor Co.: 20 patents #634 of 21,052Top 4%

KM Konica Minolta: 16 patents #84 of 2,718Top 4%

Nichia: 14 patents #120 of 1,531Top 8%

KM Konica Minolta: 12 patents #131 of 1,361Top 10%

DL Daito Electric Machine Industry Company Limited: 7 patents #3 of 17Top 20%

SC Sokudo Co.: 7 patents #7 of 74Top 10%

Apple: 5 patents #5,407 of 18,612Top 30%

HI Hitachi: 5 patents #7,555 of 28,497Top 30%

HC Hitachi Engineering Co.: 5 patents #21 of 572Top 4%

HC Hitachi Ibaraki Business Engineering Co.: 5 patents #1 of 9Top 15%

NI Ngk Insulators: 5 patents #566 of 2,083Top 30%

YE Yokogawa Electric: 5 patents #137 of 1,441Top 10%

JL Japan Aviation Electronics Industry, Limited: 4 patents #242 of 728Top 35%

JT Jtekt: 4 patents #427 of 1,969Top 25%

TC Ts Tech Co.: 3 patents #188 of 561Top 35%

TC Toshiba Carrier: 3 patents #14 of 163Top 9%

KO Konica: 2 patents #962 of 1,958Top 50%

KU Kyoto University: 2 patents #286 of 1,688Top 20%

AB Asml Netherlands B.V.: 2 patents #1,484 of 3,192Top 50%

SC Sumitomo Bakelite Co.: 2 patents #227 of 790Top 30%

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

SH Shiroki: 1 patents #86 of 172Top 50%

AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%

TO Toyota: 1 patents #15,335 of 26,838Top 60%

NC Ngk Ceramic Device Co.: 1 patents #9 of 20Top 45%

AC Arai Seisakusho Co: 1 patents #1 of 39Top 3%

📍 Kasugai, CA: #1 of 2 inventorsTop 50%

Overall (All Time): #1,965 of 4,157,543Top 1%

251

Patents All Time

Issued Patents All Time

Showing 251–251 of 251 patents

Patent #	Title	Co-Inventors	Date
5308417	Uniformity for magnetically enhanced plasma chambers	David W. Groechel, Masato Toshima, Robert Steger, Jerry Wong, Regga Tekeste +2 more	1994-05-03