Hirai; Toshio

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Patents Grantslast 30 patents

Information Patent Grant
Crystalline sialon having wurtzite structure
- Patent number 5,429,998
- Issue date Jul 4, 1995
- Alps Electric Co., Ltd.
- Yoshihiro Someno
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Si.sub.3 N.sub.4 -A1.sub.2 O.sub.3 composite sintered bodies and me...
- Patent number 5,173,459
- Issue date Dec 22, 1992
- Niihara; Koichi
- Koichi Niihara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing carbon/carbon composite having oxidation resi...
- Patent number 5,045,356
- Issue date Sep 3, 1991
- Nippon Oil Company, Limited
- Seiichi Uemura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Membrane for use in X-ray mask and method for preparing the same
- Patent number 4,940,851
- Issue date Jul 10, 1990
- Research Development Corporation of Japan
- Akira Oyobe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polycrystalline rhombohedral boron nitride and method of producing...
- Patent number 4,900,526
- Issue date Feb 13, 1990
- Research Development Corporation of Japan
- Toshitsugu Matsuda
- C30 - CRYSTAL GROWTH
Information Patent Grant
Transparent BN-type ceramic material and method of producing the same
- Patent number 4,772,304
- Issue date Sep 20, 1988
- Research Development Corporation of Japan
- Hiroyuki Nakae
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of producing a functionally gradient material
- Patent number 4,751,099
- Issue date Jun 14, 1988
- National Aerospace Laboratories of Science and Technology Agency
- Masayuki Niino
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High strength and high hardness alumina-zirconia-silicon carbide si...
- Patent number 4,746,635
- Issue date May 24, 1988
- Kabushiki Kaisha Riken
- Sigeo Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Boron nitride containing titanium nitride, method of producing the...
- Patent number 4,565,747
- Issue date Jan 21, 1986
- Research Development Corporation
- Hiroyuki Nakae
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Titanium-containing silicon nitride film bodies and a method of pro...
- Patent number 4,469,801
- Issue date Sep 4, 1984
- Hirai; Toshio
- Toshio Hirai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Hirai; Toshio

Organization

Patents Grantslast 30 patents

Crystalline sialon having wurtzite structure

Si.sub.3 N.sub.4 -A1.sub.2 O.sub.3 composite sintered bodies and me...

Process for producing carbon/carbon composite having oxidation resi...

Membrane for use in X-ray mask and method for preparing the same

Polycrystalline rhombohedral boron nitride and method of producing...

Transparent BN-type ceramic material and method of producing the same

Method of producing a functionally gradient material

High strength and high hardness alumina-zirconia-silicon carbide si...

Boron nitride containing titanium nitride, method of producing the...

Titanium-containing silicon nitride film bodies and a method of pro...