Inventor · disambiguated record
Hirofumi Ohtani
Also filed as: OHTANI HIROFUMI
17 granted patents·1 pending application·78 citations·filing 1985–2020
91Inventor score
Top patents by PatentIndex Score
18 records- 0185US5041366ASilver halide photographic materialKONISHIROKU PHOTO IND·Filed 1989·Granted Aug 20, 1991·22 cites·19 claims
- 0273US5200308AColor photographic materialKONISHIROKU PHOTO IND·Filed 1990·Granted Apr 6, 1993·9 cites·5 claims
- 0367US5362470AUltrafine gold and/or silver chalcogenide and production thereofKONISHIROKU PHOTO IND·Filed 1992·Granted Nov 8, 1994·7 cites·6 claims
- 0464US11507649B2Optical fingerprint authentication deviceMERCK PATENT GMBH·Filed 2020·Granted Nov 22, 2022·0 cites·17 claims
- 0564US5039601ASilver halide emulsions with silver halide grain groups of different desensitizing agent contentKONISHIROKU PHOTO IND·Filed 1990·Granted Aug 13, 1991·6 cites·9 claims
- 0661US4704351ADye sensitized light-sensitive core/shell silver halide photographic materialKONISHIROKU PHOTO IND·Filed 1985·Granted Nov 3, 1987·8 cites·12 claims
- 0751US10853465B2Optical fingerprint authentication deviceKONICA MINOLTA INC·Filed 2016·Granted Dec 1, 2020·0 cites·13 claims
- 0851US5358841AMethod for preparing a silver halide emulsionKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 25, 1994·3 cites·8 claims
- 0949US5523202ASilver halide emulsion and process for its preparationKONISHIROKU PHOTO IND·Filed 1995·Granted Jun 4, 1996·2 cites·8 claims
- 1047US4701405ADye-sensitized light-sensitive core/shell silver halide photographic materialKONISHIROKU PHOTO IND·Filed 1985·Granted Oct 20, 1987·5 cites·7 claims
- 1145US9929379B2Method for producing organic electroluminescent elementKONICA MINOLTA INC·Filed 2014·Granted Mar 27, 2018·0 cites·4 claims
- 1245US2004085598A1Digital still camera and manufacturing method thereofKONISHIROKU PHOTO IND·Filed 2003·Application pending·0 cites
- 1344US5362619AHigh-speed halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1994·Granted Nov 8, 1994·2 cites·10 claims
- 1441US5334359AApparatus for production of sparingly water-soluble salt crystal grainsKONISHIROKU PHOTO IND·Filed 1992·Granted Aug 2, 1994·12 cites·10 claims
- 1537US4996140ASilver halide photographic materialKONISHIROKU PHOTO IND·Filed 1989·Granted Feb 26, 1991·2 cites·22 claims
- 1630US5541052ASilver halide photographic material having improved keeping qualityKONISHIROKU PHOTO IND·Filed 1994·Granted Jul 30, 1996·0 cites·15 claims
- 1730US5518874AMethod of manufacturing a silver halide emulsionKONISHIROKU PHOTO IND·Filed 1991·Granted May 21, 1996·0 cites·8 claims
- 1828US5340710APhotosensitive silver halide photographic materialKONISHIROKU PHOTO IND·Filed 1993·Granted Aug 23, 1994·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →