Inventor · disambiguated record
Toshiyuki Murayama
Also filed as: MURAYAMA TOSHIYUKI
16 granted patents·1 pending application·126 citations·filing 1991–2014
91Inventor score
Top patents by PatentIndex Score
17 records- 0186US5712388AMethod of preparing a derivative of optically active azetidin-2-oneTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted Jan 27, 1998·42 cites·8 claims
- 0281US5204461AProcess for preparing (1'r,3s)-3-(1'-hydroxyethyl)-azetidin-2-one and derivatives thereofTAKASAGO PERFUMERY CO LTD·Filed 1991·Granted Apr 20, 1993·43 cites·4 claims
- 0361US8162380B2Aerodynamic structure for vehicleSUMITANI KEIJI·Filed 2006·Granted Apr 24, 2012·7 cites·28 claims
- 0461US5574152A4-(1,1-dialkoxycarbonylalkyl) azetidin-2-one derivative and process for producing 4-(1-carboxyalkyl) azetidin-2-one derivative using the sameTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Nov 12, 1996·6 cites·2 claims
- 0560US5756863AProcess for preparing optically active cyclohexanol derivativesTAKASAGO PERFUMERY CO LTD·Filed 1996·Granted May 26, 1998·7 cites·7 claims
- 0659US6365755B1Ammonium 3,5,6-trihydroxyhexanoate derivatives and preparation process thereofTAKASAGO PERFUMERY CO LTD·Filed 2001·Granted Apr 2, 2002·2 cites·4 claims
- 0753US8188307B2Method for producing an optically active tetrahydroquinolineMOROI TAKASHI·Filed 2009·Granted May 29, 2012·0 cites·1 claims
- 0852US6340751B1Process for the preparation of 4-substituted azetidinone derivativesTAKASAGO PERFUMERY CO LTD·Filed 1999·Granted Jan 22, 2002·11 cites·27 claims
- 0950US5371214A4-(1,1-dialkoxycarbonylalkyl)azetidin-2-one derivative and process for producing 4-(1-carboxyalkyl)azetidin-2-one derivative using the sameTAKASAGO PERFUMERY CO LTD·Filed 1992·Granted Dec 6, 1994·3 cites·6 claims
- 1048US5523458AProcess for producing optically active diaminohexanone derivativeTAKASAGO PERFUMERY CO LTD·Filed 1994·Granted Jun 4, 1996·3 cites·8 claims
- 1147US7369748B2Reproducing apparatus and tracking methodSONY CORP·Filed 2004·Granted May 6, 2008·0 cites·6 claims
- 1246US7601842B2Method for producing an optically active tetrahydroquinolineTAKASAGO PERFUMERY CO LTD·Filed 2004·Granted Oct 13, 2009·0 cites·4 claims
- 1346US2015092527A1Optical disc apparatus and recording method of optical discSONY CORP·Filed 2014·Application pending·0 cites
- 1441US8391116B2Optical disc recording method and optical disc recording apparatusMURAYAMA TOSHIYUKI·Filed 2011·Granted Mar 5, 2013·0 cites·10 claims
- 1541US8281226B2Reproduction apparatus and reproduction methodMURAYAMA TOSHIYUKI·Filed 2009·Granted Oct 2, 2012·1 cites·5 claims
- 1637US5631397AProcess for producing optically active diaminohexanone derivativeTAKASAGO PERFUMERY CO LTD·Filed 1995·Granted May 20, 1997·1 cites·10 claims
- 1729US5777103AProcess for producing cyclohexylazetidinoneTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Jul 7, 1998·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →