Inventor · disambiguated record
Hiroshi Hachiya
Also filed as: HACHIYA HIROSHI
42 granted patents·25 pending applications·391 citations·filing 1990–2016
98Inventor score
Files withASAHI KASEI CHEMICALS CORP29ASAHI CHEMICAL IND17FUKUOKA SHINSUKE16ASAHI KASEI CHEMCIALS CORP1HACHIYA HIROSHI1
Top patents by PatentIndex Score
67 records- 0193US7812189B2Industrial process for production of high-purity diphenyl carbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Oct 12, 2010·8 cites·6 claims
- 0293US7658817B2Industrial evaporation apparatusASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Feb 9, 2010·15 cites·13 claims
- 0388US8044226B2Process for production of high-purity diaryl carbonateASAHI KASEI CHEMICALS CORP·Filed 2009·Granted Oct 25, 2011·6 cites·4 claims
- 0484US7622601B2Process for production of high-purity diaryl carbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Nov 24, 2009·10 cites·13 claims
- 0581US8049028B2Industrial process for separating out dialkyl carbonateASAHI KASEI CHEMICALS CORP·Filed 2006·Granted Nov 1, 2011·4 cites·18 claims
- 0681US7531616B2Process for industrial production of an aromatic carbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted May 12, 2009·4 cites·33 claims
- 0781US6277945B1Method for producing an aromatic polycarbonateASAHI CHEMICAL IND·Filed 1999·Granted Aug 21, 2001·34 cites·6 claims
- 0880US7060780B2Moldings of flame-retardant aromatic polycarbonate resin compositionsASAHI KASEI CHEMICALS CORP·Filed 2003·Granted Jun 13, 2006·17 cites·13 claims
- 0980US6512077B1Polycarbonate-base flame-retardant resin compositionASAHI CHEMICAL IND·Filed 2000·Granted Jan 28, 2003·20 cites·9 claims
- 1080US6017455APorous membraneASAHI CHEMICAL IND·Filed 1996·Granted Jan 25, 2000·56 cites·12 claims
- 1179US7479258B2Method for producing an aromatic polycarbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Jan 20, 2009·5 cites·10 claims
- 1278US5225526AStabilized aromatic polycarbonate composition and process for producing sameASAHI CHEMICAL IND·Filed 1990·Granted Jul 6, 1993·23 cites·13 claims
- 1375US5997741AProcess for preparing a polyether ether ketone membraneASAHI CHEMICAL IND·Filed 1995·Granted Dec 7, 1999·49 cites·13 claims
- 1473US7528213B2Method for efficiently producing an aromatic polycarbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted May 5, 2009·2 cites·11 claims
- 1573US7307114B2Polycarbonate resin composition for use in the production of a substrate for an optical information mediumASAHI KASEI CHEMICALS CORP·Filed 2004·Granted Dec 11, 2007·8 cites·4 claims
- 1671US9321884B2Process for producing polycondensation polymer, and polymerizerHACHIYA HIROSHI·Filed 2011·Granted Apr 26, 2016·2 cites·10 claims
- 1769US7563858B2Method for stably producing an aromatic polycarbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Jul 21, 2009·3 cites·5 claims
- 1867US9458026B2Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxideOHKOSHI SHIN-ICHI·Filed 2010·Granted Oct 4, 2016·1 cites·4 claims
- 1966US5932683APolycarbonate comprising different kinds of bonding units and process for the preparation thereofASAHI CHEMICAL IND·Filed 1997·Granted Aug 3, 1999·18 cites·7 claims
- 2065US9633770B2Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxideUNIV TOKYO·Filed 2016·Granted Apr 25, 2017·0 cites·4 claims
- 2165US8044167B2Process for production of high-purity diaryl carbonateASAHI KASEI CHEMICALS CORP·Filed 2009·Granted Oct 25, 2011·0 cites·4 claims
- 2265US6417319B1Flame-retardant polycarbonate resin composition with excellent melt flowabilityASAHI CHEMICAL IND·Filed 1999·Granted Jul 9, 2002·19 cites·7 claims
- 2364US7777067B2Industrial process for production of an aromatic carbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Aug 17, 2010·2 cites·17 claims
- 2462US6506870B1Polycarbonate resin for use in the production of a substrate for an optical information mediumASAHI CHEMICAL IND·Filed 2000·Granted Jan 14, 2003·6 cites·8 claims
- 2561US8093437B2Industrial process for production of diolFUKUOKA SHINSUKE·Filed 2007·Granted Jan 10, 2012·2 cites·30 claims
- 2661US5852156APolycarbonate compositionASAHI CHEMICAL IND·Filed 1996·Granted Dec 22, 1998·18 cites·18 claims
- 2760US6833397B2Method for producing a flame retardant polycarbonate resin compositionASAHI KASEI CHEMICALS CORP·Filed 2001·Granted Dec 21, 2004·5 cites·13 claims
- 2854US6117969APolycarbonate resin compositionsASAHI CHEMICAL IND·Filed 1997·Granted Sep 12, 2000·13 cites·17 claims
- 2954US2008196840A1Industrial Continuous Evaporation ApparatusASAHI KASEI CHEMICALS CORP·Filed 2005·Application pending·0 cites
- 3049US2009118530A1Industrial Process for Production of Aromatic CarbonateASAHI KASEI CHEMICALS CORP·Filed 2006·Application pending·0 cites
- 3149US2009163734A1Process for producing high-purity diphenyl carbonate on industrial scaleASAHI KASEI CHEMICALS CORP·Filed 2006·Application pending·0 cites
- 3247US5762851AMethod of producing polycarbonate pelletsASAHI CHEMICAL IND·Filed 1997·Granted Jun 9, 1998·11 cites·9 claims
- 3346US7652123B2Method for producing a high quality aromatic polycarbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Jan 26, 2010·0 cites·1 claims
- 3446US6747080B2Polycarbonate resin composition for the production of a substrate for an optical information mediumASAHI CHEMICAL IND·Filed 2001·Granted Jun 8, 2004·4 cites·8 claims
- 3546US6107440AAromatic polycarbonate compositionASAHI CHEMICAL IND·Filed 1996·Granted Aug 22, 2000·10 cites·14 claims
- 3646US2009209724A1Process for industrially producing high-quality aromatic polycarbonateASAHI KASEI CHEMICALS CORP·Filed 2006·Application pending·0 cites
- 3745US2008017325A1Industrial Evaporation ApparatusFUKUOKA SHINSUKE·Filed 2005·Application pending·0 cites
- 3844US7799939B2Process for production of dialkyl carbonate and diolASAHI KASEI CHEMICALS CORP·Filed 2006·Granted Sep 21, 2010·0 cites·4 claims
- 3944US7544760B2Polymerizer device for producing an aromatic polycarbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Jun 9, 2009·0 cites·10 claims
- 4044US2009143628A1Industrial process for production of high-purity diolASAHI KASEI CHEMICALS CORP·Filed 2007·Application pending·0 cites
- 4144US2009270656A1Industrial Process for Producing High-Purity DiolASAHI KASEI CHEMICALS CORP·Filed 2007·Application pending·0 cites
- 4244US2009030223A1Process for industrially producing dialkyl carbonate and diol with high yieldASAHI KASEI CHEMICALS CORP·Filed 2006·Application pending·0 cites
- 4344US2008110578A1Industrial Evaporation ApparatusFUKUOKA SHINSUKE·Filed 2005·Application pending·0 cites
- 4443US2009156853A1Process for industrially producing dialkyl carbonate and diolASAHI KASEI CHEMCIALS CORP·Filed 2006·Application pending·0 cites
- 4543US2009253939A1Process for industrially producing dialkyl carbonate and diolASAHI KASEI CHEMICALS CORP·Filed 2006·Application pending·0 cites
- 4642US8071819B2Industrial process for production of high-purity diolFUKUOKA SHINSUKE·Filed 2006·Granted Dec 6, 2011·0 cites·29 claims
- 4742US7884251B2Industrial process for separating out by-produced alcoholsASAHI KASEI CHEMICALS CORP·Filed 2005·Granted Feb 8, 2011·0 cites·16 claims
- 4842US2007283904A1Industrial Evaporation ApparatusFUKUOKA SHINSUKE·Filed 2005·Application pending·0 cites
- 4941US8058465B2Process for industrially producing dialkyl carbonate and diolFUKUOKA SHINSUKE·Filed 2006·Granted Nov 15, 2011·0 cites·9 claims
- 5041US2008221348A1Industrial Process for Production of Aromatic CarbonateASAHI KASEI CHEMICALS CORP·Filed 2005·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →