Koki Hirano

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Viscosity index improver composition and lubricating oil composition
- Patent number 11,905,486
- Issue date Feb 20, 2024
- Idemitsu Kosan Co., Ltd.
- Yoriyuki Takashima
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Polypropylene compositions for automotive parts
- Patent number 6,667,359
- Issue date Dec 23, 2003
- Idemitsu Petrochemical Co., Ltd.
- Masaru Nakagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for producing a blow molded article
- Patent number 6,303,071
- Issue date Oct 16, 2001
- Idemitsu Petrochemical Co., Ltd.
- Minoru Sugawara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Highly rigid propylenic resin and blow molded article made therefrom
- Patent number 5,786,427
- Issue date Jul 28, 1998
- Idemitsu Petrochemical Co., Ltd.
- Masato Kijima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Highly rigid propylenic resin and blow molded article made therefrom
- Patent number 5,736,613
- Issue date Apr 7, 1998
- Idemitsu Petrochemical Co., Ltd.
- Masato Kijima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Car interior member and method for producing the same
- Patent number 5,714,227
- Issue date Feb 3, 1998
- Idemitsu Petrochemical Co., Ltd.
- Minoru Sugawara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Car interior member and molding method of the same
- Patent number 5,527,581
- Issue date Jun 18, 1996
- Idemitsu Petrochemical Co., Ltd.
- Minoru Sugawara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Polypropylene resin composition
- Patent number 5,486,561
- Issue date Jan 23, 1996
- Idemitsu Petrochemical Co., Ltd.
- Koki Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of coating molded article of olefinic resin
- Patent number 5,425,926
- Issue date Jun 20, 1995
- Suzuki Motor Corporation
- Takumi Kunikiyo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
VISCOSITY INDEX IMPROVER COMPOSITION AND LUBRICATING OIL COMPOSITION
- Publication number 20220372394
- Publication date Nov 24, 2022
- IDEMITSU KOSAN CO.,LTD.
- Yoriyuki TAKASHIMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Koki Hirano

Person

Patents Grantslast 30 patents

Viscosity index improver composition and lubricating oil composition

Polypropylene compositions for automotive parts

Method and apparatus for producing a blow molded article

Highly rigid propylenic resin and blow molded article made therefrom

Highly rigid propylenic resin and blow molded article made therefrom

Car interior member and method for producing the same

Car interior member and molding method of the same

Polypropylene resin composition

Process of coating molded article of olefinic resin

Patents Applicationslast 30 patents

VISCOSITY INDEX IMPROVER COMPOSITION AND LUBRICATING OIL COMPOSITION