Yoko Saito

AK Asahi Denka Kogyo K.K.: 7 patents #5 of 162Top 4%

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

HB Hgst Netherlands, B.V.: 3 patents #257 of 972Top 30%

OI Olympus Imaging: 3 patents #113 of 341Top 35%

HI Hitachi: 3 patents #10,712 of 28,497Top 40%

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

AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%

HI Hiatchi: 1 patents #1 of 84Top 2%

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%

SL Sumitomo Pharmaceuticals Company Limited: 1 patents #135 of 327Top 45%

Overall (All Time): #146,564 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
5631213	Process for producing molybdenum oxysulfide dithiocarbamate	Noriyoshi Tanaka, Aritoshi Fukushima, Yukio Tatsumi, Kazuhisa Morita	1997-05-20
5627146	Lubricating oil composition	Noriyoshi Tanaka, Aritoshi Fukushima, Yukio Tatsumi	1997-05-06