Inventor · disambiguated record
Tsutomu Iimura
Also filed as: IIMURA TSUTOMU
12 granted patents·228 citations·filing 1981–1990
92Inventor score
Top patents by PatentIndex Score
12 records- 0194US4640880AElectrophotographic process with magnetic brush development using semiconductive ferrite carriersHITACHI METALS LTD·Filed 1984·Granted Feb 3, 1987·46 cites·14 claims
- 0291US4724305ADirectly-heating roller for fuse-fixing toner imagesHITACHI METALS LTD·Filed 1986·Granted Feb 9, 1988·46 cites·20 claims
- 0385US4776070ADirectly-heating roller for fixing toner imagesHITACHI METALS LTD·Filed 1987·Granted Oct 11, 1988·30 cites·19 claims
- 0483US4623603ASpherical electrophotographic magnetoplumbite-type hexagonal ferrite carrier powderHITACHI METALS LTD·Filed 1985·Granted Nov 18, 1986·34 cites·16 claims
- 0582US4888464AHeat roll for electrophotographyHITACHI METALS LTD·Filed 1988·Granted Dec 19, 1989·27 cites·6 claims
- 0672US4439794AMagnetic headHITACHI LTD·Filed 1981·Granted Mar 27, 1984·16 cites·11 claims
- 0749US4777499AMethod and apparatus for image recordingHITACHI LTD·Filed 1988·Granted Oct 11, 1988·8 cites·14 claims
- 0847US4663193AProcess for manufacturing magnetic recording mediumHITACHI METALS LTD·Filed 1984·Granted May 5, 1987·10 cites·4 claims
- 0938US4977415AElectrostatic recording head, image recording apparatus, developing agent supplying device, display device and method of producing electrostatic recording headHITACHI LTD·Filed 1989·Granted Dec 11, 1990·4 cites·29 claims
- 1034US5032570AMethod for producing ceramic superconducting material using intermediate productsHITACHI METALS LTD·Filed 1988·Granted Jul 16, 1991·5 cites·4 claims
- 1130US5144343AImage recording method and apparatusHITACHI LTD·Filed 1990·Granted Sep 1, 1992·2 cites·6 claims
- 1227US5021810APrinting machineHITACHI LTD·Filed 1990·Granted Jun 4, 1991·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →