Inventor
HACHIYA HIROSHI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “HACHIYA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI KASEI CHEMICALS CORP
18 patentsUS7060780B2Jun 13, 2006
Moldings of flame-retardant aromatic polycarbonate resin compositions
ASAHI KASEI CHEMICALS CORP17 citations91
US7658817B2Feb 9, 2010
Industrial evaporation apparatus
ASAHI KASEI CHEMICALS CORP15 citations84
US7812189B2Oct 12, 2010
Industrial process for production of high-purity diphenyl carbonate
ASAHI KASEI CHEMICALS CORP8 citations83
US7622601B2Nov 24, 2009
Process for production of high-purity diaryl carbonate
ASAHI KASEI CHEMICALS CORP10 citations83
US7307114B2Dec 11, 2007
Polycarbonate resin composition for use in the production of a substrate for an optical information medium
ASAHI KASEI CHEMICALS CORP8 citations74
US8044226B2Oct 25, 2011
Process for production of high-purity diaryl carbonate
ASAHI KASEI CHEMICALS CORP6 citations73
US7777067B2Aug 17, 2010
Industrial process for production of an aromatic carbonate
ASAHI KASEI CHEMICALS CORP2 citations63
US7531616B2May 12, 2009
Process for industrial production of an aromatic carbonate
ASAHI KASEI CHEMICALS CORP4 citations63
US7528213B2May 5, 2009
Method for efficiently producing an aromatic polycarbonate
ASAHI KASEI CHEMICALS CORP2 citations63
US7479258B2Jan 20, 2009
Method for producing an aromatic polycarbonate
ASAHI KASEI CHEMICALS CORP5 citations63
US8049028B2Nov 1, 2011
Industrial process for separating out dialkyl carbonate
ASAHI KASEI CHEMICALS CORP4 citations62
US6833397B2Dec 21, 2004
Method for producing a flame retardant polycarbonate resin composition
ASAHI KASEI CHEMICALS CORP5 citations59
US7563858B2Jul 21, 2009
Method for stably producing an aromatic polycarbonate
ASAHI KASEI CHEMICALS CORP3 citations54
US8044167B2Oct 25, 2011
Process for production of high-purity diaryl carbonate
ASAHI KASEI CHEMICALS CORP0 citations51
US7544760B2Jun 9, 2009
Polymerizer device for producing an aromatic polycarbonate
ASAHI KASEI CHEMICALS CORP0 citations42
US7884251B2Feb 8, 2011
Industrial process for separating out by-produced alcohols
ASAHI KASEI CHEMICALS CORP0 citations41
US7799939B2Sep 21, 2010
Process for production of dialkyl carbonate and diol
ASAHI KASEI CHEMICALS CORP0 citations41
US7652123B2Jan 26, 2010
Method for producing a high quality aromatic polycarbonate
ASAHI KASEI CHEMICALS CORP0 citations40
ASAHI CHEMICAL IND
17 patentsUS6017455AJan 25, 2000
Porous membrane
ASAHI CHEMICAL IND56 citations94
US6277945B1Aug 21, 2001
Method for producing an aromatic polycarbonate
ASAHI CHEMICAL IND34 citations92
US6512077B1Jan 28, 2003
Polycarbonate-base flame-retardant resin composition
ASAHI CHEMICAL IND20 citations91
US5932683AAug 3, 1999
Polycarbonate comprising different kinds of bonding units and process for the preparation thereof
ASAHI CHEMICAL IND18 citations91
US5225526AJul 6, 1993
Stabilized aromatic polycarbonate composition and process for producing same
ASAHI CHEMICAL IND23 citations91
US5997741ADec 7, 1999
Process for preparing a polyether ether ketone membrane
ASAHI CHEMICAL IND49 citations90
US5852156ADec 22, 1998
Polycarbonate composition
ASAHI CHEMICAL IND18 citations83
US6417319B1Jul 9, 2002
Flame-retardant polycarbonate resin composition with excellent melt flowability
ASAHI CHEMICAL IND19 citations82
US6107440AAug 22, 2000
Aromatic polycarbonate composition
ASAHI CHEMICAL IND10 citations74
US5762851AJun 9, 1998
Method of producing polycarbonate pellets
ASAHI CHEMICAL IND11 citations74
US6117969ASep 12, 2000
Polycarbonate resin compositions
ASAHI CHEMICAL IND13 citations72
US5972273AOct 26, 1999
Method for producing a homogeneous polycarbonate composition
ASAHI CHEMICAL IND5 citations63
US5912289AJun 15, 1999
Aromatic polycarbonate composition having improved thermal stability, and method for producing the same
ASAHI CHEMICAL IND5 citations63
US5719254AFeb 17, 1998
Discoloration-insusceptible polycarbonate composition
ASAHI CHEMICAL IND5 citations63
US6506870B1Jan 14, 2003
Polycarbonate resin for use in the production of a substrate for an optical information medium
ASAHI CHEMICAL IND6 citations58
US6747080B2Jun 8, 2004
Polycarbonate resin composition for the production of a substrate for an optical information medium
ASAHI CHEMICAL IND4 citations56
USRE38050EMar 25, 2003
Polycarbonate comprising different kinds of bonding units and process for the preparation thereof
ASAHI CHEMICAL IND1 citations50
FUKUOKA SHINSUKE
3 patentsUS8093437B2Jan 10, 2012
Industrial process for production of diol
FUKUOKA SHINSUKE2 citations59
US8071819B2Dec 6, 2011
Industrial process for production of high-purity diol
FUKUOKA SHINSUKE0 citations38
US8058465B2Nov 15, 2011
Process for industrially producing dialkyl carbonate and diol
FUKUOKA SHINSUKE0 citations38