Masaki Sano

TL Tokyo Electron Limited: 6 patents #1,241 of 5,567Top 25%

NE Nec Electronics: 5 patents #112 of 1,789Top 7%

Ricoh Company: 4 patents #4,167 of 9,818Top 45%

KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%

PE Pentax: 3 patents #351 of 761Top 50%

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

JM Jx Nippon Mining & Metals: 2 patents #117 of 262Top 45%

CC Citizen Electronics Co.: 1 patents #144 of 252Top 60%

DC Dwango Co.: 1 patents #30 of 56Top 55%

RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%

DC Diesel Kiki Co.: 1 patents #181 of 366Top 50%

Overall (All Time): #137,418 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
4879608	Apparatus for generating index signals, for use in magnetic recording/reproducing apparatuses	—	1989-11-07
4769597	Apparatus for generating index signals, for use in magnetic recording/reproducing apparatuses	—	1988-09-06
4709279	Read/write amplifier power control device for a disk apparatus	Koji Osafune	1987-11-24