Inventor · disambiguated record
Masumi Asanae
Also filed as: ASANAE MASUMI
42 granted patents·349 citations·filing 1979–1997
98Inventor score
Files withHITACHI METALS LTD42
Top patents by PatentIndex Score
42 records- 0188US4518673AElectrophotographic developerHITACHI METALS LTD·Filed 1983·Granted May 21, 1985·29 cites·10 claims
- 0277US4309498AElectrophotography using a magnetic brushHITACHI METALS LTD·Filed 1979·Granted Jan 5, 1982·17 cites·14 claims
- 0375US5876893AFerrite carrier, two-component developer and electrostatic imaging method using the developerHITACHI METALS LTD·Filed 1997·Granted Mar 2, 1999·26 cites·14 claims
- 0466US5432033AMethod of electrophotographically forming visual imageHITACHI METALS LTD·Filed 1994·Granted Jul 11, 1995·20 cites·9 claims
- 0562US5483329ACarrier for developer and method of electrophotographically forming visual image using sameHITACHI METALS LTD·Filed 1994·Granted Jan 9, 1996·13 cites·8 claims
- 0659US5900343AFerrite carrier for electrophotographic developmentHITACHI METALS LTD·Filed 1997·Granted May 4, 1999·13 cites·11 claims
- 0756US5565966AImage forming method for setting a developing gapHITACHI METALS LTD·Filed 1995·Granted Oct 15, 1996·13 cites·9 claims
- 0856US4529680AMagnetic toner for pressure fixationHITACHI METALS LTD·Filed 1983·Granted Jul 16, 1985·9 cites·15 claims
- 0955US5659861AMethod of developing electrostatic latent imageHITACHI METALS LTD·Filed 1996·Granted Aug 19, 1997·13 cites·17 claims
- 1055US5496673ACarrier for developer of electrostatic latent imagesHITACHI METALS LTD·Filed 1995·Granted Mar 5, 1996·11 cites·4 claims
- 1153US6134413ACarrier for magnetic developer and method of electrophotographically forming visual imageHITACHI METALS LTD·Filed 1997·Granted Oct 17, 2000·11 cites·5 claims
- 1253US5064739AMethod of developing electrostatic charge pattern with magnetic developerHITACHI METALS LTD·Filed 1990·Granted Nov 12, 1991·10 cites·6 claims
- 1351US5926677AImage forming developing methodHITACHI METALS LTD·Filed 1997·Granted Jul 20, 1999·7 cites·3 claims
- 1451US5554479AImage formation methodHITACHI METALS LTD·Filed 1994·Granted Sep 10, 1996·8 cites·17 claims
- 1551US5374978ADeveloping methodHITACHI METALS LTD·Filed 1993·Granted Dec 20, 1994·9 cites·8 claims
- 1650US5853937ATwo-component magnetic developer for printing characters for magnetic ink character recognitionHITACHI METALS LTD·Filed 1997·Granted Dec 29, 1998·9 cites·10 claims
- 1750US5731121ADeveloper for electrostatic latent image developmentHITACHI METALS LTD·Filed 1996·Granted Mar 24, 1998·10 cites·12 claims
- 1850US5406353APortable electrophotographic printer having magnetic charging deviceHITACHI METALS LTD·Filed 1993·Granted Apr 11, 1995·8 cites·7 claims
- 1947US5412454ACompactm low profile elecrophotographic printerHITACHI METALS LTD·Filed 1993·Granted May 2, 1995·7 cites·4 claims
- 2047US4231320AMagnetic brush-toner supply hopperHITACHI METALS LTD·Filed 1979·Granted Nov 4, 1980·5 cites·3 claims
- 2145US5717983ASimultaneous developing/cleaning method using magnetic support memberHITACHI METALS LTD·Filed 1995·Granted Feb 10, 1998·5 cites·10 claims
- 2245US5634182AMethod of developing electrostatic latent imageHITACHI METALS LTD·Filed 1996·Granted May 27, 1997·7 cites·6 claims
- 2345US4912003AReverse development methodHITACHI METALS LTD·Filed 1988·Granted Mar 27, 1990·6 cites·3 claims
- 2444US5812911AMethod of electrostatically forming visual imageHITACHI METALS LTD·Filed 1997·Granted Sep 22, 1998·7 cites·12 claims
- 2544US5733699ADeveloper for developing electrostatic latent imageHITACHI METALS LTD·Filed 1996·Granted Mar 31, 1998·7 cites·1 claims
- 2643US4865936AElectrophotographic reversal development method using magnetic field and specified development gapHITACHI METALS LTD·Filed 1988·Granted Sep 12, 1989·6 cites·8 claims
- 2741US6075964AImage forming developing methodHITACHI METALS LTD·Filed 1997·Granted Jun 13, 2000·4 cites·2 claims
- 2841US5516613ABinary developerHITACHI METALS LTD·Filed 1994·Granted May 14, 1996·5 cites·5 claims
- 2941US5371571APortable electrophotographic printer of reduced heightHITACHI METALS LTD·Filed 1993·Granted Dec 6, 1994·5 cites·5 claims
- 3041US4873540AImage recording methodHITACHI METALS LTD·Filed 1988·Granted Oct 10, 1989·7 cites·4 claims
- 3141US4277552AMagnetic developing process and toner containing high coercive force magnetic powderHITACHI METALS LTD·Filed 1979·Granted Jul 7, 1981·7 cites·10 claims
- 3240US5547795AMagnetic carrier for developerHITACHI METALS LTD·Filed 1995·Granted Aug 20, 1996·5 cites·10 claims
- 3338US5866289ADeveloper for electrostatic development and electrostatic developing method using sameHITACHI METALS LTD·Filed 1997·Granted Feb 2, 1999·4 cites·15 claims
- 3438US5153616AMethod for recording imagesHITACHI METALS LTD·Filed 1991·Granted Oct 6, 1992·4 cites·8 claims
- 3536US5429900AMagnetic developerHITACHI METALS LTD·Filed 1992·Granted Jul 4, 1995·4 cites·2 claims
- 3636US5390014APortable electrophotographic image forming apparatusHITACHI METALS LTD·Filed 1993·Granted Feb 14, 1995·6 cites·6 claims
- 3735US5565967AMethod of forming image using magnetic developer with high volume resistivityHITACHI METALS LTD·Filed 1995·Granted Oct 15, 1996·3 cites·4 claims
- 3835US5559541ADirect recording methodHITACHI METALS LTD·Filed 1995·Granted Sep 24, 1996·3 cites·4 claims
- 3935US5532095AMagnetic tonerHITACHI METALS LTD·Filed 1994·Granted Jul 2, 1996·3 cites·3 claims
- 4034US5669051AMethod of electrostatically forming visual imageHITACHI METALS LTD·Filed 1996·Granted Sep 16, 1997·3 cites·8 claims
- 4130US5786120ATwo component developerHITACHI METALS LTD·Filed 1997·Granted Jul 28, 1998·0 cites·1 claims
- 4229US6072974AImage forming developing methodHITACHI METALS LTD·Filed 1997·Granted Jun 6, 2000·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →