Akihiro Takahashi

TK Terumo Kabushiki Kaisha: 11 patents #110 of 1,558Top 8%

PE Pentax: 7 patents #230 of 761Top 35%

OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%

TO Toyota: 4 patents #6,703 of 26,838Top 25%

PE Pentax: 4 patents #113 of 396Top 30%

AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%

Kyocera: 3 patents #999 of 3,732Top 30%

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%

TS Tokyo Broadcasting Systems: 2 patents #3 of 34Top 9%

NE Nec: 2 patents #5,510 of 14,502Top 40%

EC Eagle Industry Co.: 2 patents #115 of 314Top 40%

ME Metawork: 1 patents #26 of 97Top 30%

FS Freeescale Semiconductor: 1 patents #2,021 of 3,767Top 55%

FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%

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

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

KE Keihin: 1 patents #237 of 596Top 40%

AC Alps Alpine Co.: 1 patents #246 of 525Top 50%

NT Nec Tokin: 1 patents #143 of 299Top 50%

TC Tokuriki Honten Co.: 1 patents #8 of 28Top 30%

TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%

Canon: 1 patents #14,899 of 19,416Top 80%

Overall (All Time): #51,607 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
4779217	Octave multiple filter	Shigeki Takeda, Hiroo Uwaba	1988-10-18