Inventor · disambiguated record
Yasuo Maruyama
Also filed as: MARUYAMA YASUO
27 granted patents·596 citations·filing 1975–2021
97Inventor score
Files withMITSUBISHI CHEM IND12MITSUBISHI CHEM CORP5NIPPON TELEGRAPH & TELEPHONE4EPSON TOYOCOM CORP1HITACHI LTD1
Top patents by PatentIndex Score
27 records- 0196US5308811ACatalyst for polymerizing an olefin and method for producing an olefin polymerMITSUBISHI CHEM IND·Filed 1992·Granted May 3, 1994·136 cites·21 claims
- 0292US6340652B1Catalysts for polymerization of α-olefins, process for producing α-olefin polymers, novel transition metal compounds and catalyst components for polymerization of α-olefinMITSUBISHI CHEM CORP·Filed 1997·Granted Jan 22, 2002·52 cites·6 claims
- 0390US6252097B1Transition metal compoundsMITSUBISHI CHEM CORP·Filed 1999·Granted Jun 26, 2001·36 cites·3 claims
- 0485US5928982ACatalyst for polymerizing an olefin and method for polymerizing the olefinMITSUBISHI CHEM CORP·Filed 1996·Granted Jul 27, 1999·46 cites·15 claims
- 0583US5537882ASemiconductor sensor for detecting physical amount without thermal hypsteresis where output wiring is disposed in a stress insensitive directionFiled 1994·Granted Jul 23, 1996·44 cites·18 claims
- 0679US5973084AMethod for polymerizing olefins using a novel catalystMITSUBISHI CHEM CORP·Filed 1998·Granted Oct 26, 1999·52 cites·12 claims
- 0777US6825280B1Propylene block copolymer and propylene resin compositionJAPAN POLYCHEM CORP·Filed 1999·Granted Nov 30, 2004·38 cites·54 claims
- 0875US7436106B2Piezoelectric deviceEPSON TOYOCOM CORP·Filed 2007·Granted Oct 14, 2008·6 cites·3 claims
- 0973US4115533APreparation of solid titanium trichlorideMITSUBISHI CHEM IND·Filed 1977·Granted Sep 19, 1978·16 cites·7 claims
- 1070US4060593APreparation of titanium trichlorideMITSUBISHI CHEM IND·Filed 1975·Granted Nov 29, 1977·20 cites·12 claims
- 1167US4902761AMethod for producing an olefin polymerMITSUBISHI CHEM IND·Filed 1987·Granted Feb 20, 1990·23 cites·28 claims
- 1263US6590045B2Catalysts for polymerization of α-olefins, process for producing α-olefin polymers, novel transition metal compounds and catalyst components for polymerization of α-olefinMITSUBISHI CHEM CORP·Filed 2001·Granted Jul 8, 2003·2 cites·6 claims
- 1363US4380608AProcess for producing propylene-ethylene block copolymerMITSUBISHI CHEM IND·Filed 1982·Granted Apr 19, 1983·14 cites·7 claims
- 1463US4115532APreparation of solid titanium trichlorideMITSUBISHI CHEM IND·Filed 1977·Granted Sep 19, 1978·11 cites·2 claims
- 1555US5719429AHigh frequency/high output insulated gate semiconductor device with reduced and balanced gate resistanceHITACHI LTD·Filed 1995·Granted Feb 17, 1998·17 cites·6 claims
- 1653US5703941AConnection control method for personal communicationsNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Dec 30, 1997·18 cites·4 claims
- 1747US11509265B2Integrated circuit, oscillator, electronic apparatus, and vehicleSEIKO EPSON CORP·Filed 2021·Granted Nov 22, 2022·0 cites·15 claims
- 1846US6512924B2Mobile communications systemNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Jan 28, 2003·20 cites·7 claims
- 1941US5649301AMobile communication method for controlling origination or termination of a call in a desired networkNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Jul 15, 1997·23 cites·8 claims
- 2038US5061755APolypropylene composition and highly transparent polypropylene film made thereofMITSUBISHI CHEM IND·Filed 1989·Granted Oct 29, 1991·6 cites·23 claims
- 2138US4883848AMethod for producing an olefin polymerMITSUBISHI CHEM IND·Filed 1989·Granted Nov 28, 1989·6 cites·9 claims
- 2237US5128417A3-methylbutene-1 polymer, composition containing said polymer, and molded articles of said compositionMITSUBISHI CHEM IND·Filed 1990·Granted Jul 7, 1992·3 cites·8 claims
- 2336US10301401B2Olefin polymerization catalyst and method for producing olefin polymerJAPAN POLYETHYLENE CORP·Filed 2015·Granted May 28, 2019·0 cites·14 claims
- 2436US4645797A3-Methylbutene-1 polymer composition and process for its productionMITSUBISHI CHEM IND·Filed 1985·Granted Feb 24, 1987·4 cites·7 claims
- 2531US5270409AProcess for producing olefin polymerMITSUBISHI CHEM IND·Filed 1992·Granted Dec 14, 1993·1 cites·18 claims
- 2630US5995837AMobile communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Nov 30, 1999·2 cites·15 claims
- 2730US4970187ACatalyst for producing an olefin polymerMITSUBISHI CHEM IND·Filed 1989·Granted Nov 13, 1990·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →