KO

Katsuji Ota

KO Konica: 6 patents #429 of 1,958Top 25%
Overall (All Time): #883,181 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6284448 Silver halide light sensitive color photographic material Takatugu Suzuki, Noriko Ueda, Takayuki Suzuki, Satoru Ikesu 2001-09-04
6204390 Synthesizing method for a 3-substituted-3-oxo-2-(2,4-oxazolidinedione-3-yl) propionic acid amide compound Satoru Ikesu, Kazuhiko Kimura 2001-03-20
6197493 Silver halide color photographic light-sensitive material Satoru Ikesu 2001-03-06
6140032 Silver halide color photographic light-sensitive material containing a novel yellow coupler Satoru Ikesu, Kazuhiko Kimura 2000-10-31
6004739 Silver halide color photographic light-sensitive material Satoru Ikesu 1999-12-21
5763618 Manufacturing method of sulfides Ryuzou Watanabe, Shinri Tanaka, Michiko Nagato, Tomio Horiuchi 1998-06-09