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
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