Kei Watanabe

KT Kabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%

MA Makita: 13 patents #84 of 770Top 15%

FA Fanuc: 12 patents #223 of 1,735Top 15%

Toshiba Memory: 11 patents #113 of 1,971Top 6%

SL Shiseido Company, Limited: 9 patents #58 of 1,112Top 6%

SC Sumitomo Bakelite Co.: 8 patents #24 of 790Top 4%

Kioxia: 5 patents #270 of 1,813Top 15%

NT NTT: 5 patents #1,080 of 4,871Top 25%

Honda Motor Co.: 5 patents #4,418 of 21,052Top 25%

PR Promerus: 4 patents #38 of 140Top 30%

SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%

TI Toray Industries: 3 patents #932 of 3,690Top 30%

Canon: 3 patents #11,241 of 19,416Top 60%

Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%

Kawasaki: 3 patents #725 of 2,943Top 25%

FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%

OL Olympus: 2 patents #1,626 of 3,097Top 55%

DC Dow Corning Toray Co.: 2 patents #78 of 258Top 35%

TU Tohoku University: 1 patents #615 of 1,680Top 40%

SU Shinshu University: 1 patents #77 of 261Top 30%

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

TC Toptec Co.: 1 patents #5 of 20Top 25%

📍 Yokkaichi, JP: #11 of 2,072 inventorsTop 1%

Overall (All Time): #13,876 of 4,157,543Top 1%

102

Patents All Time

Issued Patents All Time

Showing 101–102 of 102 patents

Patent #	Title	Co-Inventors	Date
6047978	Wheel suspension by trailing arms and torsion beam assembled by welding with means for relieving weld seam from high stress	Satoshi Murata, Hiroyuki Shimatani	2000-04-11
5827920	Emulsion composition	Hiroyuki Kakoki, Kenzo Ito	1998-10-27