Hikaru SAIJO

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rubber composition for downhole tools and member for downhole tools
- Patent number 11,059,952
- Issue date Jul 13, 2021
- Kureha Corporation
- Fuminori Kobayashi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composition, composition for downhole tools, degradable rubber memb...
- Patent number 10,829,614
- Issue date Nov 10, 2020
- Kureha Corporation
- Takuma Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition, composition for downhole tools, degradable rubber memb...
- Patent number 10,815,362
- Issue date Oct 27, 2020
- Kureha Corporation
- Takuma Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Downhole tool member for hydrocarbon resource recovery
- Patent number 10,626,694
- Issue date Apr 21, 2020
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Member for hydrocarbon resource collection downhole tool
- Patent number 10,030,464
- Issue date Jul 24, 2018
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Molded product having effective thickness of 1 mm or more and conta...
- Patent number 9,926,764
- Issue date Mar 27, 2018
- Kureha Corporation
- Takuma Kobayashi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Degradable fiber for use in well treatment fluid, method for manufa...
- Patent number 9,902,897
- Issue date Feb 27, 2018
- Kureha Corporation
- Takeo Takahashi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Downhole tool member for hydrocarbon resource recovery
- Patent number 9,574,418
- Issue date Feb 21, 2017
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Member for hydrocarbon resource collection downhole tool
- Patent number 9,267,351
- Issue date Feb 23, 2016
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE TOOL MEMBER AND MANUFACTURING METHOD THEREOF
- Publication number 20200207949
- Publication date Jul 2, 2020
- Kureha Corporation
- Takuma KOBAYASHI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RUBBER COMPOSITION FOR DOWNHOLE TOOLS AND MEMBER FOR DOWNHOLE TOOLS
- Publication number 20200071486
- Publication date Mar 5, 2020
- Kureha Corporation
- Fuminori Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION, COMPOSITION FOR DOWNHOLE TOOLS, DEGRADABLE RUBBER MEMB...
- Publication number 20190300676
- Publication date Oct 3, 2019
- Kureha Corporation
- Takuma KOBAYASHI
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITION, COMPOSITION FOR DOWNHOLE TOOLS, DEGRADABLE RUBBER MEMB...
- Publication number 20190002667
- Publication date Jan 3, 2019
- Kureha Corporation
- Takuma KOBAYASHI
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL MEMBER FOR HYDROCARBON RESOURCE RECOVERY
- Publication number 20180298714
- Publication date Oct 18, 2018
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING
Information Patent Application
POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLI...
- Publication number 20180094132
- Publication date Apr 5, 2018
- Kureha Corporation
- TAKUMA KOBAYASHI
- E21 - EARTH DRILLING MINING
Information Patent Application
POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLI...
- Publication number 20170306144
- Publication date Oct 26, 2017
- Kureha Corporation
- TAKUMA KOBAYASHI
- E21 - EARTH DRILLING MINING
Information Patent Application
MOLDED PRODUCT HAVING EFFECTIVE THICKNESS OF 1 mm OR MORE AND CONTA...
- Publication number 20170175481
- Publication date Jun 22, 2017
- Kureha Corporation
- Takuma KOBAYASHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DOWNHOLE TOOL OR DOWNHOLE TOOL MEMBER, DEGRADABLE RESIN COMPOSITION...
- Publication number 20160290083
- Publication date Oct 6, 2016
- Kureha Corporation
- TAKEO TAKAHASHI
- E21 - EARTH DRILLING MINING
Information Patent Application
MEMBER FOR HYDROCARBON RESOURCE COLLECTION DOWNHOLE TOOL
- Publication number 20160108696
- Publication date Apr 21, 2016
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING
Information Patent Application
DEGRADABLE FIBER FOR USE IN WELL TREATMENT FLUID, METHOD FOR MANUFA...
- Publication number 20160102244
- Publication date Apr 14, 2016
- TAKEO TAKAHASHI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
DOWNHOLE TOOL MEMBER FOR HYDROCARBON RESOURCE RECOVERY
- Publication number 20150292292
- Publication date Oct 15, 2015
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING
Information Patent Application
MEMBER FOR HYDROCARBON RESOURCE COLLECTION DOWNHOLE TOOL
- Publication number 20150096741
- Publication date Apr 9, 2015
- Kureha Corporation
- Masayuki Okura
- E21 - EARTH DRILLING MINING

Hikaru SAIJO

Person

Patents Grantslast 30 patents

Rubber composition for downhole tools and member for downhole tools

Composition, composition for downhole tools, degradable rubber memb...

Composition, composition for downhole tools, degradable rubber memb...

Downhole tool member for hydrocarbon resource recovery

Member for hydrocarbon resource collection downhole tool

Molded product having effective thickness of 1 mm or more and conta...

Degradable fiber for use in well treatment fluid, method for manufa...

Downhole tool member for hydrocarbon resource recovery

Member for hydrocarbon resource collection downhole tool

Patents Applicationslast 30 patents

DOWNHOLE TOOL MEMBER AND MANUFACTURING METHOD THEREOF

RUBBER COMPOSITION FOR DOWNHOLE TOOLS AND MEMBER FOR DOWNHOLE TOOLS

COMPOSITION, COMPOSITION FOR DOWNHOLE TOOLS, DEGRADABLE RUBBER MEMB...

COMPOSITION, COMPOSITION FOR DOWNHOLE TOOLS, DEGRADABLE RUBBER MEMB...

DOWNHOLE TOOL MEMBER FOR HYDROCARBON RESOURCE RECOVERY

POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLI...

POLYGLYCOLIC ACID RESIN COMPOSITION, MOLDED PRODUCT FOR WELL DRILLI...

MOLDED PRODUCT HAVING EFFECTIVE THICKNESS OF 1 mm OR MORE AND CONTA...

DOWNHOLE TOOL OR DOWNHOLE TOOL MEMBER, DEGRADABLE RESIN COMPOSITION...

MEMBER FOR HYDROCARBON RESOURCE COLLECTION DOWNHOLE TOOL

DEGRADABLE FIBER FOR USE IN WELL TREATMENT FLUID, METHOD FOR MANUFA...

DOWNHOLE TOOL MEMBER FOR HYDROCARBON RESOURCE RECOVERY

MEMBER FOR HYDROCARBON RESOURCE COLLECTION DOWNHOLE TOOL