JF

Junichi Fukawa

KO Konica: 9 patents #255 of 1,958Top 15%
Overall (All Time): #588,365 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6479199 Processing method of silver halide photographic light sensitive material 2002-11-12
5837418 Silver halide black and white photographic light sensitive material Takeo Arai 1998-11-17
5766820 Silver halide photographic light-sensitive material and its developing methods Seiji Hidaka, Takeo Arai 1998-06-16
5591561 Method for processing black-and-white silver halide photographic light-sensitive material Takeo Arai 1997-01-07
5441847 Method for processing a black-and-white silver halide photographic light-sensitive material Takeshi Sampei, Kenji Goto 1995-08-15
5238800 Silver halide photographic light-sensitive material improved in anti-jamming property Yuji Hosoi, Akira Kobayashi 1993-08-24
H1090 Light-sensitive silver halide photographic material Takeshi Habu 1992-08-04
H1091 Light-sensitive silver halide photographic material Yasuhiko Takamuki, Takeshi Habu 1992-08-04
4988603 Method for the formation of high-contrast images using a developer comprising a hydrazine derivative Yasuhiko Takamuki, Takeshi Habu 1991-01-29