Inventor · disambiguated record
Seiji Yonekura
Also filed as: YONEKURA SEIJI
19 granted patents·593 citations·filing 1979–2003
96Inventor score
Files withHITACHI LTD19
Top patents by PatentIndex Score
19 records- 0193US4328540ADoor operation control apparatusHITACHI LTD·Filed 1980·Granted May 4, 1982·86 cites·80 claims
- 0290US4740817APicture recording apparatusHITACHI LTD·Filed 1986·Granted Apr 26, 1988·43 cites·4 claims
- 0390US4386398AAutomatic door control apparatusHITACHI LTD·Filed 1981·Granted May 31, 1983·64 cites·12 claims
- 0489US6443560B1Recording head and inkjet recording device having separately arranged ink chambers and ink discharge unitHITACHI LTD·Filed 2000·Granted Sep 3, 2002·37 cites·15 claims
- 0588US4365250AGarage door operation control apparatusHITACHI LTD·Filed 1980·Granted Dec 21, 1982·63 cites·14 claims
- 0684US4383206ADoor operation control apparatusHITACHI LTD·Filed 1981·Granted May 10, 1983·50 cites·4 claims
- 0782US4311225ADevice for driving driven member by roller chainHITACHI LTD·Filed 1979·Granted Jan 19, 1982·42 cites·18 claims
- 0880US6776844B2Organic EL display and production device of color filterHITACHI LTD·Filed 2002·Granted Aug 17, 2004·26 cites·6 claims
- 0978US6286938B1Ink jet recording head and ink jet recording apparatusHITACHI LTD·Filed 2000·Granted Sep 11, 2001·20 cites·6 claims
- 1077US6604816B1Ink-jet recording head and ink-jet recorderHITACHI LTD·Filed 2000·Granted Aug 12, 2003·18 cites·32 claims
- 1176US4344252AGarage door operation control apparatusHITACHI LTD·Filed 1980·Granted Aug 17, 1982·35 cites·10 claims
- 1268US4393342ADoor operation control apparatusHITACHI LTD·Filed 1981·Granted Jul 12, 1983·26 cites·12 claims
- 1365US4549092AControl system for illumination lamp installed in building equipped with door operation control apparatusHITACHI LTD·Filed 1982·Granted Oct 22, 1985·24 cites·21 claims
- 1463US6328426B1Printer deviceHITACHI LTD·Filed 1999·Granted Dec 11, 2001·21 cites·8 claims
- 1558US6849128B2Organic EL display and production device of color filter cross reference to related applicationHITACHI LTD·Filed 2003·Granted Feb 1, 2005·5 cites·6 claims
- 1653US4405923AGarage door control systemHITACHI LTD·Filed 1981·Granted Sep 20, 1983·17 cites·16 claims
- 1750US6557981B1Ink jet recorderHITACHI LTD·Filed 2000·Granted May 6, 2003·4 cites·18 claims
- 1843US4922272AHigh precision image recording apparatusHITACHI LTD·Filed 1989·Granted May 1, 1990·7 cites·30 claims
- 1937US6412916B1Ink jet printerHITACHI LTD·Filed 1998·Granted Jul 2, 2002·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →