Kiyoshi Hirao

Person

Aichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing silicon nitride substrate
- Patent number 9,938,444
- Issue date Apr 10, 2018
- Japan Fine Ceramics Co., LTD.
- Dai Kusano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Boron carbide based sintered compact and method for preparation the...
- Patent number 7,442,661
- Issue date Oct 28, 2008
- National Institute of Advanced Industrial Science and Technology
- Kiyoshi Hirao
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Boron carbide based sintered compact and method for preparation the...
- Patent number 7,417,002
- Issue date Aug 26, 2008
- National Institute of Advanced Industrial Science and Technology
- Kiyoshi Hirao
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of producing porous silicon nitride ceramics having high str...
- Patent number 5,968,426
- Issue date Oct 19, 1999
- Japan as represented by Director General of Agency of Industrial Science and...
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Porous silicon nitride with rodlike grains oriented
- Patent number 5,935,888
- Issue date Aug 10, 1999
- Japan as represented by Director General of Agency of Industrial Science and...
- Motohiro Toriyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing silicon nitride ceramics having thermal high co...
- Patent number 5,902,542
- Issue date May 11, 1999
- Japan as represented by Director General of Agency of Industrial Science and...
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicon nitride ceramics having a high reliability and a method for...
- Patent number 5,866,245
- Issue date Feb 2, 1999
- Japan as represented by Director General of Agency of Industrial Science and...
- Motohiro Toriyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for production of aluminum nitride sintered body and aluminu...
- Patent number 5,837,633
- Issue date Nov 17, 1998
- Agency of Industrial Science and Technology
- Motohiro Toriyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High-strength, high-toughness silicon nitride sinter
- Patent number 5,705,449
- Issue date Jan 6, 1998
- Agency of Industrial Science & Technology, Ministry of International Trade &...
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing a high-strength, high-toughness silicon nitrid...
- Patent number 5,674,793
- Issue date Oct 7, 1997
- Agency of Industrial Science & Technology, Ministry of International Trade &...
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sintered ceramic article formed mainly of alumina
- Patent number 5,447,894
- Issue date Sep 5, 1995
- Agency of Industrial Science and Technology
- Masaki Yasuoka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING SILICON NITRIDE SUBSTRATE
- Publication number 20160362592
- Publication date Dec 15, 2016
- JAPAN FINE CERAMICS CO., LTD
- Dai KUSANO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
BORON CARBIDE BASED SINTERED COMPACT AND METHOD FOR PREPARATION THE...
- Publication number 20080063583
- Publication date Mar 13, 2008
- Nat'l Inst. of Advanced Ind. Science and Tech.
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
BORON CARBIDE BASED SINTERED COMPACT AND METHOD FOR PREPARATION THE...
- Publication number 20070135292
- Publication date Jun 14, 2007
- Nat'l Inst. of Advanced Ind. Science and Tech.
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Boron carbide based sintered compact and method for preparation the...
- Publication number 20060247120
- Publication date Nov 2, 2006
- Nat'l Inst. of Advanced Ind. Science and Tech.
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Boron carbide based sintered compact and method for preparation the...
- Publication number 20050059541
- Publication date Mar 17, 2005
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Abrasion resistant aluminum oxide member and method of production t...
- Publication number 20040033394
- Publication date Feb 19, 2004
- National Inst. of Advanced Ind. Science and Tech.
- Yu-ichi Yoshizawa
- B32 - LAYERED PRODUCTS
Information Patent Application
Polishing material for silicon nitride and sialon ceramics
- Publication number 20030136057
- Publication date Jul 24, 2003
- National Inst. of Advanced Ind. Science and Tech.
- Kiyoshi Hirao
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Kiyoshi Hirao

Person

Patents Grantslast 30 patents

Method for producing silicon nitride substrate

Boron carbide based sintered compact and method for preparation the...

Boron carbide based sintered compact and method for preparation the...

Method of producing porous silicon nitride ceramics having high str...

Porous silicon nitride with rodlike grains oriented

Method of producing silicon nitride ceramics having thermal high co...

Silicon nitride ceramics having a high reliability and a method for...

Method for production of aluminum nitride sintered body and aluminu...

High-strength, high-toughness silicon nitride sinter

Method for producing a high-strength, high-toughness silicon nitrid...

Sintered ceramic article formed mainly of alumina

Patents Applicationslast 30 patents

METHOD FOR PRODUCING SILICON NITRIDE SUBSTRATE

BORON CARBIDE BASED SINTERED COMPACT AND METHOD FOR PREPARATION THE...

BORON CARBIDE BASED SINTERED COMPACT AND METHOD FOR PREPARATION THE...

Boron carbide based sintered compact and method for preparation the...

Boron carbide based sintered compact and method for preparation the...

Abrasion resistant aluminum oxide member and method of production t...

Polishing material for silicon nitride and sialon ceramics