KY

Kouji Yoshikawa

SC Sumitomo Chemical: 10 patents #473 of 4,033Top 15%
AK Aisan Kogyo Kabushiki Kaisha: 2 patents #232 of 642Top 40%
📍 Amuru, UG: #58 of 499 inventorsTop 15%
Overall (All Time): #421,366 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8680328 Method for producing optically active cyclopropane carboxylic acid ester compound, asymmetric copper complex, and optically active salicylideneaminoalcohol compound Katsuhisa Masumoto 2014-03-25
8461370 Process for producing 3-(2-cyano-1-propenyl)-2,2- dimethylcyclopropanecarboxylic acid or salt thereof Toru Uekawa, Jun Ohshita, Ichiro Komoto 2013-06-11
8263797 Method for producing cyclopropane carboxylic acid compound and intermediate therefor Toru Uekawa, Jun Ohshita, Ichiro Komoto 2012-09-11
8168816 Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound Ryo Minamida, Makoto Itagaki 2012-05-01
8158787 Process for producing trichloropyrimidine compound Koichi Nakazawa, Tomonori Yoshiyama 2012-04-17
7985872 Method for producing olefin compound 2011-07-26
7893294 Process for production of trans-2, 2-dimethyl-3-formylcyclopropanecarboxylic acid ester Makoto Itagaki, Ryo Minamida 2011-02-22
7700799 Method for producing (2-formyl-1-alkenyl) cyclopropane compound 2010-04-20
7262320 Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives 2007-08-28
7179439 Method for preparing disodium paraperiodate 2007-02-20
5781092 Ignition coil for an internal combustion engine Kazutaka Nakamichi, Katsuji Ishikawa, Toshiro Suzuki, Hitoshi Takeuchi 1998-07-14
5764124 Ignition coil for an internal combustion engine Kazutaka Nakamichi, Katsuji Ishikawa, Toshiro Suzuki 1998-06-09