Inventor · disambiguated record
Masayuki Ainoya
Also filed as: AINOYA MASAYUKI
20 granted patents·210 citations·filing 1982–2016
95Inventor score
Files withHITACHI KOKI KK16IBM1NHK SPRING CO LTD1RICOH PRINTING SYSTEMS INC1YAMAMOTO PRECIOUS METAL CO LTD1
Top patents by PatentIndex Score
20 records- 0189US5923933AElectrophotographic apparatusHITACHI KOKI KK·Filed 1998·Granted Jul 13, 1999·49 cites·14 claims
- 0289US4943863AElectrophotographic printerHITACHI KOKI KK·Filed 1989·Granted Jul 24, 1990·35 cites·6 claims
- 0377US6285846B1Fixing deviceHITACHI KOKI KK·Filed 2000·Granted Sep 4, 2001·17 cites·4 claims
- 0472US4929982ASheet path in an electrophotographic printerIBM·Filed 1989·Granted May 29, 1990·19 cites·9 claims
- 0568US7010242B2Image forming apparatusRICOH PRINTING SYSTEMS INC·Filed 2003·Granted Mar 7, 2006·13 cites·22 claims
- 0654US6640078B2Electrophotographic apparatus having a paper holding memberHITACHI KOKI KK·Filed 2001·Granted Oct 28, 2003·5 cites·9 claims
- 0754USD463818SDeveloper bottleHITACHI KOKI KK·Filed 2000·Granted Oct 1, 2002·8 cites·1 claims
- 0854USD413140SPrinter for a computerHITACHI KOKI KK·Filed 1998·Granted Aug 24, 1999·8 cites·1 claims
- 0953USD467265SFixing deviceHITACHI KOKI KK·Filed 2001·Granted Dec 17, 2002·8 cites·1 claims
- 1053US5381168ASuction-purging unit and suction purging method for an ink jet printerHITACHI KOKI KK·Filed 1993·Granted Jan 10, 1995·13 cites·20 claims
- 1150US5937261AImage recording apparatus, and sheet conveying method thereofHITACHI KOKI KK·Filed 1998·Granted Aug 10, 1999·9 cites·6 claims
- 1248US9804198B2Alloy material, contact probe, and connection terminalYAMAMOTO PRECIOUS METAL CO LTD·Filed 2013·Granted Oct 31, 2017·0 cites·10 claims
- 1346US6259883B1Imaging forming apparatus having a toner exhausting deviceHITACHI KOKI KK·Filed 2000·Granted Jul 10, 2001·3 cites·7 claims
- 1446US4475807ACleaning apparatus for xerographic printing apparatusHITACHI KOKI KK·Filed 1982·Granted Oct 9, 1984·7 cites·5 claims
- 1545USD441011SToner bottle capHITACHI KOKI KK·Filed 2000·Granted Apr 24, 2001·5 cites·1 claims
- 1644US10889878B2Alloy material, contact probe, and connection terminalNHK SPRING CO LTD·Filed 2016·Granted Jan 12, 2021·0 cites·19 claims
- 1741US4443091AYoke mechanism of electrophotographic printing apparatusHITACHI KOKI KK·Filed 1982·Granted Apr 17, 1984·5 cites·6 claims
- 1836USD438892SPhotosensitive drum for printerHITACHI KOKI KK·Filed 2000·Granted Mar 13, 2001·2 cites·1 claims
- 1935US5436651AInk jet printer having elastically deformable ink supply tubeHITACHI KOKI KK·Filed 1992·Granted Jul 25, 1995·4 cites·5 claims
- 2034US6341210B1Toner cartridgeHITACHI KOKI KK·Filed 2000·Granted Jan 22, 2002·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →