P

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 patents
US6169121B1Jan 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 patent

SONY GROUP CORP

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.