Kohei Tanaka

WC Wacom Co.: 33 patents #15 of 357Top 5%

Sharp Kabushiki Kaisha: 16 patents #1,028 of 10,731Top 10%

Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%

FI Fujifilm Business Innovation: 5 patents #505 of 1,659Top 35%

NC Nissin Ion Equipment Co.: 4 patents #15 of 85Top 20%

TO Totani: 2 patents #6 of 26Top 25%

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%

DI Disco: 2 patents #249 of 708Top 40%

SC Sekisui Kasei Co.: 1 patents #10 of 27Top 40%

SC Sekisui Plastics Co.: 1 patents #60 of 144Top 45%

JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%

FU Fujikura: 1 patents #788 of 1,407Top 60%

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

HT Hitachi Plant Technologies: 1 patents #116 of 279Top 45%

AC Aiphone Co.: 1 patents #26 of 52Top 50%

Overall (All Time): #24,641 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
4903169	Shielded high frequency apparatus having partitioned shield case, and method of manufacture thereof	Motoyoshi Kitagawa, Toao Ishida, Kenzo Ito	1990-02-20