KY

Katsumasa Yamazaki

KO Konica: 12 patents #157 of 1,958Top 9%
KC Konishiroku Photo Industry Co.: 4 patents #209 of 894Top 25%
JO Joled: 2 patents #188 of 392Top 50%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #231,315 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12400901 Conveyance hand with attraction pad Hitoshi Sato, Hideo Tanaka 2025-08-26
11678508 Display and electronic apparatus Takahiro Seki 2023-06-13
10964898 Protection sheet, display, and electronic apparatus Takahiro Seki 2021-03-30
6777175 Silver halide photographic material for direct observation and ink-jet recording sheet Toyoki Nishijima 2004-08-17
6174658 Silver halide light-sensitive photographic material 2001-01-16
6174660 Silver halide photographic light-sensitive material Takesi Nakamura 2001-01-16
5914224 Silver halide photographic light-sensitive material Takesi Nakamura 1999-06-22
H1429 Silver halide photographic light-sensitive material Motoi Nishimura, Hirokazu Sato, Shigeto Hirabayashi 1995-04-04
5364753 Silver halide color photographic light-sensitive material Shuichi Sugita, Shigeto Hirabayashi 1994-11-15
5284742 Silver halide photographic light-sensitive material Shigeto Hirabayashi 1994-02-08
5275926 Silver halide color photographic light-sensitive material Shigeto Hirabayashi, Shuichi Sugita 1994-01-04
5270156 Silver halide color photographic light sensitive material Shigeto Hirabayashi, Shuichi Sugita 1993-12-14
5252446 Silver halide color photographic light-sensitive material comprising a 1-pentachlorinated phenyl-5-pyrazolone coupler and specific red sensitizing dyes Shigeto Hirabayashi, Shuichi Sugita 1993-10-12
5238797 Silver halide color photographic light-sensitive material containing a 1-pentahalogenophenyl-substituted 5-pyrazolone colored magenta coupler Shigeto Hirabayashi, Shuichi Sugita 1993-08-24
5236819 Light-sensitive silver halide photographic material capable of producing a dye image with improved fastness Kenji Kadokura, Shigeto Hirabayashi 1993-08-17
4762778 Silver halide photographic light sensitive material Toshihiko Yagi, Kenji Michiue, Sohei Goto, Yoshiharu Mochizuki 1988-08-09
4686176 Multilayer multi-color photographic material Toshihiko Yagi, Kenji Michiue, Yoshiharu Mochizuki, Sohei Goto 1987-08-11
4670375 Light-sensitive silver halide color photographic material having extended exposure range and improved graininess and stability to processing and time Kenji Michiue, Toshihiko Yagi, Sohei Goto, Yoshiharu Mochizuki 1987-06-02
4639410 Silver halide color photographic light sensitive-material Yoshihara Mochizuki, Sohei Goto, Toshihiko Yagi, Kenji Michiue 1987-01-27