Inventor · disambiguated record
Kiyoharu Hayakawa
Also filed as: HAYAKAWA KIYOHARU
30 granted patents·2 pending applications·432 citations·filing 1982–2011
97Inventor score
Top patents by PatentIndex Score
32 records- 0195US5639220APump with inlet and outlet simultaneously exposed to pump chamber and method of operating sameBROTHER IND LTD·Filed 1995·Granted Jun 17, 1997·84 cites·20 claims
- 0291US4500412AOxygen sensor with heaterTOYODA CHUO KENKYUSHO KK·Filed 1982·Granted Feb 19, 1985·63 cites·16 claims
- 0390US4510036ALimiting electric current type oxygen sensor with heater and limiting electric current type oxygen concentration detecting device using the sameTOYODA CHUO KENKYUSHO KK·Filed 1983·Granted Apr 9, 1985·61 cites·8 claims
- 0489US4574264AThin film oxygen sensor with microheaterTOYODA CHUO KENKYUSHO KK·Filed 1983·Granted Mar 4, 1986·53 cites·5 claims
- 0586US4864356AExposure device for image recording apparatusBROTHER IND LTD·Filed 1988·Granted Sep 5, 1989·22 cites·16 claims
- 0681US4595485ALimiting electric current type oxygen sensorTOYODA CHUO KENKYUSHO KK·Filed 1985·Granted Jun 17, 1986·46 cites·31 claims
- 0774US7712864B2Apparatus and method for maintaining recording headBROTHER IND LTD·Filed 2005·Granted May 11, 2010·4 cites·26 claims
- 0871US8007071B2Image forming apparatus and information recording mediumBROTHER IND LTD·Filed 2008·Granted Aug 30, 2011·3 cites·12 claims
- 0969US9048107B2Semiconductor deviceEGUCHI HIROOMI·Filed 2011·Granted Jun 2, 2015·4 cites·9 claims
- 1062US4661234AAir-fuel ratio sensor and apparatus using the sameTOYODA CHUO KENKYUSHO KK·Filed 1985·Granted Apr 28, 1987·21 cites·7 claims
- 1154US4576705AApparatus with polarographic sensor to detect concentrations of plurality of gas componentsTOYODA CHUO KENKYUSHO KK·Filed 1984·Granted Mar 18, 1986·14 cites·11 claims
- 1251US4945374APressure developing deviceBROTHER IND LTD·Filed 1989·Granted Jul 31, 1990·8 cites·10 claims
- 1348US4894680AImage recording apparatusBROTHER IND LTD·Filed 1988·Granted Jan 16, 1990·7 cites·58 claims
- 1446US4905036AImage forming process and system, including heating step or device for increased density of imagesBROTHER IND LTD·Filed 1987·Granted Feb 27, 1990·7 cites·22 claims
- 1544US4901103AImage recording apparatus using pressure sensitive sheetBROTHER IND LTD·Filed 1988·Granted Feb 13, 1990·4 cites·6 claims
- 1642US7943957B2Lateral SOI semiconductor devices and manufacturing method thereofTOYOTA MOTOR CO LTD·Filed 2006·Granted May 17, 2011·0 cites·7 claims
- 1742US2008129775A1Image recording apparatus and controlling method thereofBROTHER IND LTD·Filed 2007·Application pending·0 cites
- 1840US2009243042A1Lateral semiconductor deviceHAYAKAWA KIYOHARU·Filed 2009·Application pending·0 cites
- 1939US4878084AMethod and device for feeding sheet in image recording apparatusBROTHER IND LTD·Filed 1988·Granted Oct 31, 1989·3 cites·6 claims
- 2038US4958781ACassette for photo-sensistive recording mediumBROTHER IND LTD·Filed 1988·Granted Sep 25, 1990·2 cites·19 claims
- 2138US4956649AImage recording apparatus forming photomasking pattern on photosensitive mediumBROTHER IND LTD·Filed 1988·Granted Sep 11, 1990·4 cites·5 claims
- 2238US4933685AImage transfer system with preliminary-exposure deviceASANO YUKI·Filed 1988·Granted Jun 12, 1990·4 cites·12 claims
- 2337US4912506AImage recording apparatus having exposure unitBROTHER IND LTD·Filed 1988·Granted Mar 27, 1990·2 cites·3 claims
- 2437US4908653AExposure system for image recording apparatusBROTHER IND LTD·Filed 1988·Granted Mar 13, 1990·2 cites·7 claims
- 2536US4878083APressure developing device in image recording apparatusBROTHER IND LTD·Filed 1988·Granted Oct 31, 1989·2 cites·6 claims
- 2635US4965592AImage processing apparatus for reproducing images on projector screen and photosensitive mediumBROTHER IND LTD·Filed 1988·Granted Oct 23, 1990·3 cites·17 claims
- 2734US4974937AColor filter unitBROTHER IND LTD·Filed 1990·Granted Dec 4, 1990·5 cites·10 claims
- 2834US4908652AImage recording apparatus having upper and lower sections separable from each other at medium exposing pathBROTHER IND LTD·Filed 1988·Granted Mar 13, 1990·1 cites·18 claims
- 2933US4870451AImage recording apparatusBROTHER IND LTD·Filed 1988·Granted Sep 26, 1989·1 cites·18 claims
- 3031US5089838APressure developing deviceBROTHER IND LTD·Filed 1990·Granted Feb 18, 1992·1 cites·11 claims
- 3131US5049920APhotocopying method and apparatusBROTHER IND LTD·Filed 1989·Granted Sep 17, 1991·1 cites·46 claims
- 3231US4866473AThermal fixing device for use in recording apparatusBROTHER IND LTD·Filed 1988·Granted Sep 12, 1989·0 cites·8 claims
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