Inventor · disambiguated record
Masayoshi Ishii
Also filed as: ISHII MASAYOSHI
28 granted patents·1 pending application·310 citations·filing 1976–2005
97Inventor score
Files withNEC TOKIN CORP11HITACHI PRINTING SOLUTIONS LTD6HITACHI KOKI KK4FUJITSU LTD3RICOH PRINTING SYS LTD2
Top patents by PatentIndex Score
29 records- 0185US6906608B2Magnetic core including magnet for magnetic bias and inductor component using the sameNEC TOKIN CORP·Filed 2004·Granted Jun 14, 2005·23 cites·30 claims
- 0284US6995643B2Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coilNEC TOKIN CORP·Filed 2005·Granted Feb 7, 2006·12 cites·22 claims
- 0382US6738586B2Print control method of electrophotograph and image formation apparatus with potential sensor using the methodHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted May 18, 2004·20 cites·17 claims
- 0481US6330405B1Image forming apparatusHITACHI KOKI KK·Filed 2000·Granted Dec 11, 2001·20 cites·6 claims
- 0579US6686943B2Control method of an electrophotographic record apparatus and image formation apparatus including controlling developing bias and photoconductor surface potentialHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Feb 3, 2004·17 cites·20 claims
- 0678US6813462B2Electro-photographic developing unitHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Nov 2, 2004·17 cites·19 claims
- 0777US6753751B2Magnetic core including magnet for magnetic bias and inductor component using the sameNEC TOKIN CORP·Filed 2001·Granted Jun 22, 2004·14 cites·34 claims
- 0877US6717504B2Magnetic core including bias magnet and inductor component using the sameNEC TOKIN CORP·Filed 2001·Granted Apr 6, 2004·16 cites·28 claims
- 0972US6710693B2Inductor component containing permanent magnet for magnetic bias and method of manufacturing the sameNEC TOKIN CORP·Filed 2002·Granted Mar 23, 2004·12 cites·15 claims
- 1071US5831782AMethod and apparatus for supplying optimal bias current to a magnetic headFUJITSU LTD·Filed 1996·Granted Nov 3, 1998·22 cites·8 claims
- 1170US6879800B2Developing apparatus and electrostatic record apparatusRICOH PRINTING SYS LTD·Filed 2002·Granted Apr 12, 2005·11 cites·18 claims
- 1270US6856231B2Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coilNEC TOKIN CORPORATON·Filed 2001·Granted Feb 15, 2005·12 cites·32 claims
- 1370US6621398B2Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metalNEC TOKIN CORP·Filed 2001·Granted Sep 16, 2003·12 cites·30 claims
- 1470US6590485B2Magnetic core having magnetically biasing bond magnet and inductance part using the sameNEC TOKIN CORP·Filed 2001·Granted Jul 8, 2003·12 cites·4 claims
- 1567US6684036B2Image forming apparatusHITACHI KOKI KK·Filed 2002·Granted Jan 27, 2004·10 cites·21 claims
- 1667US4048936AApparatus and method for selectively supporting, conveying and mounting a propeller and rudderNIPPON KOKAN KK·Filed 1976·Granted Sep 20, 1977·23 cites·5 claims
- 1763US6760553B2Electrophotographic cluster printing system with controlled image qualityHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jul 6, 2004·8 cites·18 claims
- 1859US7090956B2Image forming method and image forming apparatusRICOH PRINTING SYS LTD·Filed 2001·Granted Aug 15, 2006·7 cites·10 claims
- 1957US5956200AMethod of and apparatus for controlling magnetic disc driveFUJITSU LTD·Filed 1996·Granted Sep 21, 1999·12 cites·12 claims
- 2054US6788185B2Powder core and high-frequency reactor using the sameNEC TOKIN CORP·Filed 2003·Granted Sep 7, 2004·4 cites·3 claims
- 2153US6646532B2Powder core and reactor using the sameNEC TOKIN CORP·Filed 2002·Granted Nov 11, 2003·4 cites·7 claims
- 2252US5790333ADisk drive having optimized off-track compensationFUJITSU LTD·Filed 1996·Granted Aug 4, 1998·10 cites·22 claims
- 2350US6487384B2Image forming electrophotography apparatus and magnetic developing unitHITACHI KOKI KK·Filed 2001·Granted Nov 26, 2002·4 cites·15 claims
- 2447US6621399B2Powder core and high-frequency reactor using the sameNEC TOKIN CORP·Filed 2002·Granted Sep 16, 2003·2 cites·2 claims
- 2546US6829449B2Image forming apparatus with transfer bias inverting functionHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Dec 7, 2004·3 cites·2 claims
- 2640US6240270B1Color image forming method and device using potential division developmentHITACHI KOKI KK·Filed 2000·Granted May 29, 2001·1 cites·9 claims
- 2739US2004168303A1Inductor component containing permanent magnet for magnetic bias and method of manufacturing the sameNEC TOKIN CORP·Filed 2004·Application pending·0 cites
- 2834US6792235B2Electrophotographic apparatus including transferring deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Sep 14, 2004·0 cites·27 claims
- 2934US6131000AElectrophotographic printing apparatus using electric potential dividing developmentHITACHI LTD·Filed 1998·Granted Oct 10, 2000·2 cites·6 claims
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