Inventor · disambiguated record
Hiroshi Sumiya
Also filed as: SUMIYA HIROSHI
12 granted patents·3 pending applications·164 citations·filing 1990–2019
90Inventor score
Top patents by PatentIndex Score
15 records- 0180US10497878B2Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazineUNIV KYUSHU NAT UNIV CORP·Filed 2019·Granted Dec 3, 2019·1 cites·6 claims
- 0277US5315691APrint control apparatusBROTHER IND LTD·Filed 1993·Granted May 24, 1994·61 cites·15 claims
- 0374US6722627B2Electromagnetic valve device and manufacturing method thereofDENSO CORP·Filed 2002·Granted Apr 20, 2004·19 cites·10 claims
- 0471US6671360B2Intercom system for a building or apartment houseAIPHONE CO LTD·Filed 2001·Granted Dec 30, 2003·24 cites·8 claims
- 0567US10522763B2Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazineUNIV KYUSHU NAT UNIV CORP·Filed 2019·Granted Dec 31, 2019·0 cites·4 claims
- 0662US7075394B2Electromagnetic drive flow controllerDENSO CORP·Filed 2003·Granted Jul 11, 2006·8 cites·11 claims
- 0762US6879670B2Collective housing intercom apparatusAIPHONE CO LTD·Filed 2002·Granted Apr 12, 2005·8 cites·6 claims
- 0860US10399960B2Dicyanopyrazine compound, luminescent material, luminescence device using the same, and method for producing 2,5-dicyano-3,6-dihalogenopyrazineUNIV KYUSHU NAT UNIV CORP·Filed 2016·Granted Sep 3, 2019·0 cites·6 claims
- 0956US5355441APrinting control apparatusBROTHER IND LTD·Filed 1994·Granted Oct 11, 1994·29 cites·19 claims
- 1044US6070964AMulticolor printing deviceBROTHER IND LTD·Filed 1995·Granted Jun 6, 2000·9 cites·31 claims
- 1140US2013324739A1Glutamic acid benzyl ester n-carboxylic anhydrideSUMIYA HIROSHI·Filed 2012·Application pending·0 cites
- 1240US2003213698A1Process for lubrication-treating aluminum or aluminum alloy materialFiled 2003·Application pending·0 cites
- 1338US5136153AColor image forming apparatus having image intensifier unitBROTHER IND LTD·Filed 1990·Granted Aug 4, 1992·5 cites·27 claims
- 1437US2003232146A1Method of forming zinc coatingFiled 2003·Application pending·0 cites
- 1536US7079175B2Television intercom systemAIPHONE CO LTD·Filed 2002·Granted Jul 18, 2006·0 cites·2 claims
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