Inventor
INAGAKI YASUHITO
JP57 patents
⚠️ This page may combine multiple inventors who share the name “INAGAKI YASUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
48 patentsUS6169121B1Jan 2, 2001
Method and apparatus for recycling styrene resin
SONY CORP32 citations92
US6274681B1Aug 14, 2001
Method of manufacturing polyelectrolyte from styrene polymers
SONY CORP17 citations84
US6849201B2Feb 1, 2005
Waste water treatment material, waste water treatment method, sludge dehydrating agent and sludge treatment method
SONY CORP14 citations81
US6573336B1Jun 3, 2003
Wastewater treating agent, method for wastewater treatment, sludge dehydrant and method for sludge treatment
SONY CORP13 citations81
US7255749B2Aug 14, 2007
Substrate cleaning method and substrate cleaning apparatus
SONY CORP10 citations76
US7360550B2Apr 22, 2008
System for recycling spent sulfuric acid, method for recycling spent sulfuric waste liquid, and recycled sulfuric acid
SONY CORP6 citations74
US7258904B2Aug 21, 2007
Absorber and method for producing it
SONY CORP6 citations74
US7037951B2May 2, 2006
Process for regenerating resins
SONY CORP9 citations74
US6938626B2Sep 6, 2005
Method and apparatus for wet-cleaning substrate
SONY CORP8 citations74
US6799589B2Oct 5, 2004
Method and apparatus for wet-cleaning substrate
SONY CORP12 citations74
US6649070B2Nov 18, 2003
Method for utilizing sulfuric acid/peroxide liquid mixture
SONY CORP7 citations74
US6545070B1Apr 8, 2003
Composition of ionic substituted polystyrene and stabilizer(s)
SONY CORP5 citations74
US6210581B1Apr 3, 2001
Method of separating flame retardant from plastic composition
SONY CORP4 citations74
US6022928AFeb 8, 2000
Method of manufacturing polyelectrolyte from styrene polymers
SONY CORP10 citations74
US10982021B2Apr 20, 2021
Flame retardant, method of manufacturing the same, resin composition of matter, and method of manufacturing the same
SONY CORP2 citations73
US9909005B2Mar 6, 2018
Resin composition and resin molded object
SONY CORP2 citations73
US5994423ANov 30, 1999
Urine absorber, method for producing it, urine absorbing method utilizing it and portable toilet
SONY CORP9 citations71
US7910673B2Mar 22, 2011
Antistatic agent for thermoplastic resin and antistatic resin composition
SONY CORP4 citations63
US7868052B2Jan 11, 2011
Method for recycling recovered discs, flame retardant resin composition and flame retardant resin molded products
SONY CORP2 citations63
US7067099B2Jun 27, 2006
Method for preparing aluminum sulfate, aluminum sulfate, method for improving yield of aluminum sulfate, and use of nitric acid
SONY CORP5 citations63
US7045214B2May 16, 2006
Method for recycling optical disk, resin composition for forming film, and resin molded article
SONY CORP2 citations63
US6977102B2Dec 20, 2005
Absorber and method of manufacturing the absorber
SONY CORP4 citations63
US6930154B2Aug 16, 2005
Method for producing a high-molecular weight flocculant
SONY CORP1 citations63
US6723932B2Apr 20, 2004
Water immersed electrical switch and method for preparation thereof
SONY CORP2 citations63
US6417288B2Jul 9, 2002
Method of manufacturing polyelectrolyte
SONY CORP1 citations63
US6348545B2Feb 19, 2002
Water-absorbing resin and manufacturing method
SONY CORP6 citations63
US6261461B1Jul 17, 2001
Method for treating waste water with a polymer aggregating agent
SONY CORP1 citations63
US6190575B1Feb 20, 2001
Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water
SONY CORP1 citations63
US6086783AJul 11, 2000
Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water
SONY CORP1 citations63
US11359033B2Jun 14, 2022
Flame retardant, method of manufacturing the same, resin composition of matter, and method of manufacturing the same
SONY CORP0 citations62
US11261269B2Mar 1, 2022
Flame retardant, method of manufacturing the same, resin composition of matter, and method of manufacturing the same
SONY CORP0 citations62
US10508239B2Dec 17, 2019
Flame retarder, flame retardant resin composition and method of producing the flame retarder
SONY CORP1 citations62
US7947749B2May 24, 2011
System for recycling a used plastic, method for reprocessing a used ABS resin, and reclaimed ABS resin
SONY CORP4 citations62
US7462648B2Dec 9, 2008
Recycle system for used plastic, method of reclaiming used ABS resin and reclaimed ABS resin
SONY CORP2 citations62
US6720365B2Apr 13, 2004
Additive for resin, additive-containing resin, and method for producing the same
SONY CORP3 citations62
US5981657ANov 9, 1999
Thermally resistant resin composition and method for miscible preparation
SONY CORP1 citations62
US11492486B2Nov 8, 2022
Flame retardant resin composition
SONY CORP1 citations61
US11434364B2Sep 6, 2022
Transparent resin composition and transparent resin molded article
SONY CORP1 citations61
US6316507B1Nov 13, 2001
High molecular flocculant, method for producing the floucculant and water-treatment method employing the flocculant
SONY CORP3 citations57
US9796846B2Oct 24, 2017
Resin composition and resin molded object
SONY CORP0 citations52
US7682066B2Mar 23, 2010
Method for recycling waste sulfuric acid
SONY CORP0 citations52
US7119151B2Oct 10, 2006
Antimicrobial agent and production process thereof
SONY CORP0 citations52
US7049475B2May 23, 2006
Organic compound decomposing method
SONY CORP0 citations52
US7037981B2May 2, 2006
High molecular weight flocculant
SONY CORP0 citations52
US6969743B2Nov 29, 2005
Method for utilizing sulfuric acid/peroxide liquid mixture
SONY CORP0 citations52
US6172166B1Jan 9, 2001
Thermally resistant resin composition and method for miscible preparation
SONY CORP0 citations52
US6100345AAug 8, 2000
Thermally resistant resin composition and method for miscible preparation
SONY CORP0 citations52
US12371564B2Jul 29, 2025
Resin composition and method of producing resin composition, and method of producing resin molding
SONY CORP0 citations51
INAGAKI YASUHITO
1 patentSONY GROUP CORP
1 patentShowing the top 50 of 57 patents by PatentIndex Score.