Inventor · disambiguated record
Takeshi Sanpei
Also filed as: SANPEI TAKESHI
5 granted patents·49 citations·filing 1991–1997
79Inventor score
Files withKONISHIROKU PHOTO IND5
Top patents by PatentIndex Score
5 records- 0184US5229248ASilver halide photographic light sensitive materialKONISHIROKU PHOTO IND·Filed 1991·Granted Jul 20, 1993·16 cites·12 claims
- 0276US5405732AMethod for processing black-and-white silver halide photographic light-sensitive materialsKONISHIROKU PHOTO IND·Filed 1994·Granted Apr 11, 1995·10 cites·15 claims
- 0369US5382507AMethod for processing black-and-white silver halide photographic light-sensitive materialsKONISHIROKU PHOTO IND·Filed 1994·Granted Jan 17, 1995·8 cites·10 claims
- 0456US5725998AProcess for developing black-and-white silver halide photographic light-sensitive materials containing a hydrazine compound and a nucleation compound, in a developer containing a developing agent and a mercapto compoundKONISHIROKU PHOTO IND·Filed 1997·Granted Mar 10, 1998·4 cites·17 claims
- 0540US5508153AComposition for developing a black-and-white silver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1995·Granted Apr 16, 1996·11 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →