Inventor · disambiguated record
Yoshikane Matsumoto
Also filed as: MATSUMOTO YOSHIKANE
30 granted patents·1 pending application·150 citations·filing 1982–2021
96Inventor score
Files withHITACHI KOKI KK21OHMURA YUUJI3RICOH PRINTING SYS LTD3HITACHI PRINTING SOLUTIONS LTD2MACHIDA OSAMU1
Top patents by PatentIndex Score
31 records- 0183US7090340B2Inkjet recording head and inkjet recording apparatus using the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Aug 15, 2006·24 cites·16 claims
- 0266US11370230B2Device and liquid discharge apparatusTODA NAOHIRO·Filed 2021·Granted Jun 28, 2022·0 cites·10 claims
- 0364US7077511B2Housing used in inkjet headRICOH PRINTING SYS LTD·Filed 2003·Granted Jul 18, 2006·8 cites·6 claims
- 0461US7413294B2Inkjet head with high density nozzle packingRICOH PRINTING SYS LTD·Filed 2004·Granted Aug 19, 2008·8 cites·21 claims
- 0560US9375958B2Image forming apparatus and assembly system of image forming apparatusOHMURA YUUJI·Filed 2014·Granted Jun 28, 2016·0 cites·11 claims
- 0658US8870328B2Image forming apparatus and assembly system of image forming apparatusOHMURA YUUJI·Filed 2013·Granted Oct 28, 2014·0 cites·9 claims
- 0758US6837574B2Line scan type ink jet recording deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2000·Granted Jan 4, 2005·7 cites·14 claims
- 0856US7131718B2Inkjet head and ejection deviceRICOH PRINTING SYS LTD·Filed 2004·Granted Nov 7, 2006·6 cites·22 claims
- 0954US4572685ADot printerHITACHI KOKI KK·Filed 1983·Granted Feb 25, 1986·8 cites·7 claims
- 1053USD340257SLine printer for electronic computerHITACHI KOKI KK·Filed 1991·Granted Oct 12, 1993·8 cites·1 claims
- 1152US5237918APrinting head in a dot-line printerHITACHI KOKI KK·Filed 1992·Granted Aug 24, 1993·13 cites·8 claims
- 1251US9259947B2Image forming apparatus and assembly system of image forming apparatusOHMURA YUUJI·Filed 2009·Granted Feb 16, 2016·0 cites·20 claims
- 1347US6561629B2Charging/deflecting device capable of effectively deflecting ink dropletHITACHI KOKI KK·Filed 2002·Granted May 13, 2003·3 cites·11 claims
- 1446US2006187274A1Housing used in inkjet headMACHIDA OSAMU·Filed 2006·Application pending·0 cites
- 1544US6618159B1Method of switching print modes of printing deviceHITACHI KOKI KK·Filed 1999·Granted Sep 9, 2003·9 cites·8 claims
- 1644US5241904ADot like printer employing overlapped current applying sequence to coils of different groupsHITACHI KOKI KK·Filed 1990·Granted Sep 7, 1993·7 cites·4 claims
- 1742US5122003ADot line printer having ink ribbon guidesHITACHI KOKI KK·Filed 1991·Granted Jun 16, 1992·6 cites·9 claims
- 1842US4616943AApparatus for preventing the rise of an ink ribbonHITACHI KOKI KK·Filed 1984·Granted Oct 14, 1986·4 cites·10 claims
- 1941US5618118AImpact printer and ribbon cassetteHITACHI KOKI KK·Filed 1995·Granted Apr 8, 1997·9 cites·4 claims
- 2040US4889052APaper feed control for a dot-line printerHITACHI KOKI KK·Filed 1987·Granted Dec 26, 1989·4 cites·3 claims
- 2137US5586496ADot line printer with adjusted dot positions for canceling sheet feed errorHITACHI KOKI KK·Filed 1994·Granted Dec 24, 1996·3 cites·9 claims
- 2237US4421430ADot printerHITACHI KOKI KK·Filed 1982·Granted Dec 20, 1983·3 cites·5 claims
- 2336US5291824ADot line printer having ordinary low dot and high dot density printing modesHITACHI KOKI KK·Filed 1991·Granted Mar 8, 1994·4 cites·6 claims
- 2436US5193920ADot line printer with paper feed time controlling capabilityHITACHI KOKI KK·Filed 1990·Granted Mar 16, 1993·4 cites·5 claims
- 2534US5662421APrint speed controlled dot line printer depending on print densityHITACHI KOKI KK·Filed 1995·Granted Sep 2, 1997·6 cites·18 claims
- 2633US5219235ADot line printer having improved yoke assemblyHITACHI KOKI KK·Filed 1991·Granted Jun 15, 1993·2 cites·6 claims
- 2733US5156474AMethod of controlling an ink ribbon moving speed in a dot line printerHITACHI KOKI KK·Filed 1991·Granted Oct 20, 1992·3 cites·10 claims
- 2830US5228386APrint hammer assembly for dot line printerHITACHI KOKI KK·Filed 1992·Granted Jul 20, 1993·0 cites·6 claims
- 2930US5215392ADot line printer with paper slack elimination mechanismHITACHI KOKI KK·Filed 1991·Granted Jun 1, 1993·1 cites·4 claims
- 3030US5192148ADot line printer having improved comb yokeHITACHI KOKI KK·Filed 1991·Granted Mar 9, 1993·0 cites·16 claims
- 3127US6231250B1Method of controlling reciprocal movement of hammer rank in print deviceHITACHI KOKI KK·Filed 1998·Granted May 15, 2001·0 cites·18 claims
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