Inventor · disambiguated record
Yoshihisa Arai
Also filed as: ARAI YOSHIHISA · TSUJIHARA KENJI
25 granted patents·5 pending applications·177 citations·filing 1978–2016
95Inventor score
Files withMITSUBISHI GAS CHEMICAL CO13TANABE SEIYAKU CO6SAGINOMIYA SEISAKUSHO INC3TOSHIBA KK3ARAI YOSHIHISA1
Top patents by PatentIndex Score
30 records- 0182US10208867B2Throttling device and refrigeration cycleSAGINOMIYA SEISAKUSHO INC·Filed 2016·Granted Feb 19, 2019·3 cites·11 claims
- 0281US6031122AProcess for producing dialkyl carbonateMITSUBISHI GAS CHEMICAL CO·Filed 1998·Granted Feb 29, 2000·24 cites·17 claims
- 0380US6359163B2Process for producing dialkyl carbonateMITSUBISHI GAS CHEMICAL CO·Filed 2001·Granted Mar 19, 2002·10 cites·11 claims
- 0474US5980445AProcess for producing diaryl carbonateMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted Nov 9, 1999·17 cites·4 claims
- 0569US5534190AAnti-ferroelectric liquid crystal composition and liquid crystal displayMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Jul 9, 1996·24 cites·9 claims
- 0666US8598292B2Adamantane derivative, method for producing same, polymer using same as starting material, and resin compositionARAI YOSHIHISA·Filed 2010·Granted Dec 3, 2013·1 cites·6 claims
- 0766US5378396ALiquid crystal compound and liquid crystal display deviceMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Jan 3, 1995·19 cites·2 claims
- 0864US4882447ANovel organic platinum complex and process for the preparation thereofTANABE SEIYAKU CO·Filed 1988·Granted Nov 21, 1989·7 cites·5 claims
- 0962US5374375ALiquid crystal compound and liquid crystal display deviceMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Dec 20, 1994·16 cites·7 claims
- 1061US5340498AAnti-ferroelectric liquid crystal and liquid crystal display deviceMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Aug 23, 1994·7 cites·24 claims
- 1161US4182757ANovel nitrosourea compounds and process for preparing the sameTANABE SEIYAKU CO·Filed 1978·Granted Jan 8, 1980·7 cites·47 claims
- 1260US5264150AOptically active alcohol, process for producing same and liquid crystal compound using sameMITSUBISHI GAS CHEMICAL CO·Filed 1991·Granted Nov 23, 1993·6 cites·12 claims
- 1358US6521781B2Production of 2-hydrocarbyl-2-adamantyl acrylate compoundsMITSUBISHI GAS CHEMICAL CO·Filed 2001·Granted Feb 18, 2003·2 cites·22 claims
- 1455US5352382ALiquid crystal compositionMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Oct 4, 1994·12 cites·8 claims
- 1554US4241052ANovel nitrosourea compounds and process for preparing the sameTANABE SEIYAKU CO·Filed 1979·Granted Dec 23, 1980·5 cites·48 claims
- 1650US2010146332A1Data correction circuit and semiconductor integrated circuitTOSHIBA KK·Filed 2009·Application pending·0 cites
- 1747US10222107B2Throttle device and refrigeration cycle system with sameSAGINOMIYA SEISAKUSHO INC·Filed 2016·Granted Mar 5, 2019·0 cites·8 claims
- 1846US2006196345A1Music playerTOSHIBA KK·Filed 2006·Application pending·0 cites
- 1945US8198475B2Method for producing adamantyl (meth)acrylatesFURUKAWA KIKUO·Filed 2009·Granted Jun 12, 2012·0 cites·6 claims
- 2044US5364560ALiquid crystal compound and liquid crystal display deviceMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Nov 15, 1994·7 cites·12 claims
- 2144US4472573ANitrosourea derivative and process for preparing sameTANABE SEIYAKU CO·Filed 1982·Granted Sep 18, 1984·3 cites·11 claims
- 2244US2014341800A1Method for producing aqueous hydrogen peroxide solutionTAJIMA NOBUO·Filed 2012·Application pending·0 cites
- 2343US2006101240A1Digital signal processing circuit and digital signal processing methodTOSHIBA KK·Filed 2005·Application pending·0 cites
- 2442US10837683B2Throttling device and refrigeration cycleSAGINOMIYA SEISAKUSHO INC·Filed 2016·Granted Nov 17, 2020·0 cites·4 claims
- 2542US4241053ANovel nitrosourea compounds and process for preparing the sameTANABE SEIYAKU CO·Filed 1979·Granted Dec 23, 1980·2 cites·20 claims
- 2641US5587106ALiquid crystal display devices and liquid crystal substances thereforMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Dec 24, 1996·2 cites·9 claims
- 2741US2002126841A1Random number's seed generating circuit, driver having the same, and SD memory card systemFiled 2002·Application pending·0 cites
- 2835US4886894ANovel Organic platinum complex and process for the preparation thereofTANABE SEIYAKU CO·Filed 1988·Granted Dec 12, 1989·2 cites·5 claims
- 2929US6169197B1Process for separation between dialkyl carbonate and alkyl carbamateMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Jan 2, 2001·0 cites·24 claims
- 3027USD470563SRat guard deviceTOYO YAKUGYOU CO LTD·Filed 2002·Granted Feb 18, 2003·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yoshihisa Arai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →