Robert A. Youngman

Person

Newbury, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for making a low electrical resistivity, high purity alumin...
- Patent number 6,017,485
- Issue date Jan 25, 2000
- Carborundum Corporation
- Rudolph C. Enck
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of forming an aluminum nitride article utilizing a platinum...
- Patent number 5,888,446
- Issue date Mar 30, 1999
- International Business Machines Corporation
- Jon A. Casey
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low temperature sintered, resistive aluminum nitride ceramics
- Patent number 5,773,377
- Issue date Jun 30, 1998
- Crystalline Materials Corporation
- Jonathan H. Harris
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Aluminum nitride body having graded metallurgy
- Patent number 5,763,093
- Issue date Jun 9, 1998
- International Business Machines Corporation
- Jon Alfred Casey
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Aluminum nitride body having graded metallurgy
- Patent number 5,682,589
- Issue date Oct 28, 1997
- International Business Machines Corporation
- Jon Alfred Casey
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Aluminum nitride body having graded metallurgy
- Patent number 5,552,232
- Issue date Sep 3, 1996
- International Business Machines Corporation
- Jon A. Casey
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Aluminum nitride body having graded metallurgy
- Patent number 5,552,107
- Issue date Sep 3, 1996
- Jon A. Casey
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Low temperature sintering route for aluminum nitride ceramics
- Patent number 5,541,145
- Issue date Jul 30, 1996
- The Carborundum Company/IBM Corporation
- Jonathan H. Harris
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Low temperature sintering route for aluminum nitride ceramics
- Patent number 5,424,261
- Issue date Jun 13, 1995
- The Carborundum Company
- Jonathan H. Harris
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Robert A. Youngman

Person

Patents Grantslast 30 patents

Process for making a low electrical resistivity, high purity alumin...

Method of forming an aluminum nitride article utilizing a platinum...

Low temperature sintered, resistive aluminum nitride ceramics

Aluminum nitride body having graded metallurgy

Aluminum nitride body having graded metallurgy

Aluminum nitride body having graded metallurgy

Aluminum nitride body having graded metallurgy

Low temperature sintering route for aluminum nitride ceramics

Low temperature sintering route for aluminum nitride ceramics