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Yasuhiro Yoshioka

Fujitsu Limited: 5 patents #31 of 2,531Top 2%
Overall (1997): #3,061 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5672722 Color fade inhibitor Nobuo Seto, Masakazu Morigaki 1997-09-30
5667951 Silver halide color photographic material containing photographic yellow dye-forming coupler Hiroo Takizawa, Takeshi Nakamine, Masakazu Morigaki 1997-09-16
5639590 Silver halide color photographic light-sensitive material 1997-06-17
5612174 Photographic yellow dye-forming couplers and silver halide color photographic materials containing the same Hiroo Takizawa, Masakazu Morigaki 1997-03-18
5597679 Silver halide color photographic light-sensitive material 1997-01-28