Yutaka Sakai

FA Fanuc: 6 patents #491 of 1,735Top 30%

FC Fuji Photo Optical Co.: 6 patents #93 of 509Top 20%

FI Fujifilm Business Innovation: 4 patents #1,029 of 1,659Top 65%

Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%

Ricoh Company: 2 patents #5,693 of 9,818Top 60%

Tdk: 2 patents #1,902 of 3,796Top 55%

NC Nissha Printing Co.: 1 patents #83 of 206Top 45%

SL Smithkline Beecham Limited: 1 patents #893 of 1,624Top 55%

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%

Overall (All Time): #152,916 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4195912	Zoom lens system	Yoshikazu Doi, Kazunori Ohono	1980-04-01