Inventor · disambiguated record
Yukio Maekawa
Also filed as: MAEKAWA YUKIO
56 granted patents·1,266 citations·filing 1973–2002
99Inventor score
Top patents by PatentIndex Score
56 records- 0196US5707756ANon-aqueous secondary batteryFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jan 13, 1998·255 cites·15 claims
- 0294US6001139ANonaqueous secondary battery having multiple-layered negative electrodeFUJI PHOTO FILM CO LTD·Filed 1996·Granted Dec 14, 1999·121 cites·17 claims
- 0394US4864341AMount arrangement and interchangeable lens unit for photographic cameraMINOLTA CAMERA KK·Filed 1988·Granted Sep 5, 1989·33 cites·5 claims
- 0492US4951075AZoom cameraMINOLTA CAMERA KK·Filed 1989·Granted Aug 21, 1990·87 cites·22 claims
- 0592US4510233AAntistatic agent containing silver halide photographic light-sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1983·Granted Apr 9, 1985·31 cites·13 claims
- 0691US4659203ABayonet mount arrangementMINOLTA CAMERA KK·Filed 1984·Granted Apr 21, 1987·68 cites·10 claims
- 0791US4536071AMount arrangement and interchangeable lens unit for photographic cameraMINOLTA CAMERA KK·Filed 1984·Granted Aug 20, 1985·21 cites·7 claims
- 0890US4891306APhotographic light-sensitive silver halide material containing an antistatic block copolymerFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jan 2, 1990·24 cites·14 claims
- 0987US6397008B2Driving system with elastically supporting unitsMINOLTA CO LTD·Filed 2000·Granted May 28, 2002·34 cites·14 claims
- 1087US4891307ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jan 2, 1990·21 cites·5 claims
- 1187US4768052AFocus detecting deviceMINOLTA CAMERA KK·Filed 1987·Granted Aug 30, 1988·51 cites·10 claims
- 1287US4055428ARedox dye releasers o-sulfonamidophenolFUJI PHOTO FILM CO LTD·Filed 1976·Granted Oct 25, 1977·24 cites·28 claims
- 1386US6538686B2Method for transmitting image data and communication terminalMINOLTA CO LTD·Filed 2001·Granted Mar 25, 2003·30 cites·18 claims
- 1480US4943824ADevice for measuring object distance used for cameraMINOLTA CAMERA KK·Filed 1988·Granted Jul 24, 1990·41 cites·15 claims
- 1579US4637704AExchangeable lens which exchanges electrical signals with a camera bodyMINOLTA CAMERA KK·Filed 1985·Granted Jan 20, 1987·17 cites·8 claims
- 1678US4722885APhotographic light-sensitive material containing a specified graft polymer or copolymerFUJI PHOTO FILM CO LTD·Filed 1985·Granted Feb 2, 1988·13 cites·20 claims
- 1776US5543970AZoom lens systemMINOLTA CAMERA KK·Filed 1994·Granted Aug 6, 1996·45 cites·87 claims
- 1874US4620780AMount arrangement and interchangeable lens unit for photographic cameraMINOLTA CAMERA KK·Filed 1985·Granted Nov 4, 1986·10 cites·5 claims
- 1970US4878079AFocus detecting deviceMINOLTA CAMERA KK·Filed 1988·Granted Oct 31, 1989·23 cites·18 claims
- 2067US3953211ADye developer for diffusion transfer elementsFUJI PHOTO FILM CO LTD·Filed 1974·Granted Apr 27, 1976·6 cites·10 claims
- 2165US5572361ABinocular system with automatic diopter power adjustmentMINOLTA CAMERA KK·Filed 1992·Granted Nov 5, 1996·28 cites·8 claims
- 2265US3997264AEnlarging lens barrelMINOLTA CAMERA KK·Filed 1975·Granted Dec 14, 1976·7 cites·18 claims
- 2364US6406817B2Crosslinked polymer, electrolyte using the polymer, and nonaqueous secondary battery using the electrolyteUBE INDUSTRIES·Filed 1999·Granted Jun 18, 2002·32 cites·10 claims
- 2464US4748467AMount arrangement and interchangeable lens unit for photographic cameraMINOLTA CAMERA KK·Filed 1986·Granted May 31, 1988·17 cites·10 claims
- 2562US4073781AMethod of production of azo dyes from a quinone containing compound and a diazonium compoundFUJI PHOTO FILM CO LTD·Filed 1975·Granted Feb 14, 1978·5 cites·7 claims
- 2661US6004695ANonaqueous secondary batteryFUJI PHOTO FILM CO LTD·Filed 1996·Granted Dec 21, 1999·31 cites·23 claims
- 2761US4483603AAutomatic focusing arrangement for changing the focus driving direction in accordance with the type of interchangeable optical unitMINOLTA CAMERA KK·Filed 1982·Granted Nov 20, 1984·17 cites·16 claims
- 2860US6936403B2Recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 30, 2005·3 cites·18 claims
- 2960US3931248AReactive high polymer compoundFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 6, 1976·8 cites·4 claims
- 3057US5053225AFunctional organic thin film chemically bonded to biologically active agentFUJI PHOTO FILM CO LTD·Filed 1989·Granted Oct 1, 1991·12 cites·15 claims
- 3157US4622288APhotographic light-sensitive material having improved antistaticityFUJI PHOTO FILM CO LTD·Filed 1985·Granted Nov 11, 1986·11 cites·12 claims
- 3255US5340672ASecondary batteryFUJI PHOTO FILM CO LTD·Filed 1993·Granted Aug 23, 1994·24 cites·18 claims
- 3355US4946771ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 7, 1990·6 cites·13 claims
- 3455US4847186ASilver halide photographic light-sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jul 11, 1989·6 cites·14 claims
- 3554US5063147ASilver halide photographic light-sensitive material containing aliphatic carboxylic esterFUJI PHOTO FILM CO LTD·Filed 1990·Granted Nov 5, 1991·4 cites·18 claims
- 3653US4474873ASilver halide photographic light-sensitive materials containing fluorinated compoundsFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 2, 1984·6 cites·16 claims
- 3751US5122825AZoom cameraMINOLTA CAMERA KK·Filed 1990·Granted Jun 16, 1992·15 cites·7 claims
- 3851US4304847AColor image forming dye bleach processFUJI PHOTO FILM CO LTD·Filed 1979·Granted Dec 8, 1981·2 cites·39 claims
- 3951US4014700AFuran containing azo dye developersFUJI PHOTO FILM CO LTD·Filed 1974·Granted Mar 29, 1977·3 cites·12 claims
- 4050US4407937ASilver halide photographic sensitive element containing a fluorine containing compound as an antistatic agentFUJI PHOTO FILM CO LTD·Filed 1982·Granted Oct 4, 1983·5 cites·6 claims
- 4149US3982946ABis-azo pyrazolone type dye developer and light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1975·Granted Sep 28, 1976·4 cites·14 claims
- 4247US5350648ANonaqueous secondary batteryFUJI PHOTO FILM CO LTD·Filed 1993·Granted Sep 27, 1994·16 cites·6 claims
- 4347US4623614ASilver halide photographic light-sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1985·Granted Nov 18, 1986·11 cites·6 claims
- 4447US4472493APhotographic elements with development inhibitor precursorsFUJI PHOTO FILM CO LTD·Filed 1983·Granted Sep 18, 1984·4 cites·13 claims
- 4546US4444876ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1982·Granted Apr 24, 1984·4 cites·18 claims
- 4644US4712871APositioning mechanism for positioning auxiliary optical device relative to main optical device and the auxiliary optical deviceMINOLTA CAMERA KK·Filed 1985·Granted Dec 15, 1987·4 cites·18 claims
- 4740US4950405AFunctional thin organic membraneFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 21, 1990·4 cites·18 claims
- 4838US4518354ASilver halide photographic light-sensitive materials with antistatic layer containing nonionic surface active agentFUJI PHOTO FILM CO LTD·Filed 1983·Granted May 21, 1985·5 cites·8 claims
- 4937US4558001ASilver halide photographic light-sensitive materials containing nonionic surface active antistatic agentFUJI PHOTO FILM CO LTD·Filed 1984·Granted Dec 10, 1985·3 cites·10 claims
- 5037US4041017AReactive light-sensitive high polymer compound containing furyl pentadienic ester groups and insolubilized by action of heat, light or electron beamsFUJI PHOTO FILM CO LTD·Filed 1975·Granted Aug 9, 1977·4 cites·12 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →