Robert A. Youngman — 10 Patents at IBM

Robert A. Youngman has been granted 10 US patents while listed as an inventor at IBM. The first was granted in 1995 and the most recent in April 2002. Robert A. Youngman ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Robert A. Youngman in Newbury, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6372678	Proppant composition for gas and oil well fracturing	Patrick R. Okell, Syed Akbar	2002-04-16
6017485	Process for making a low electrical resistivity, high purity aluminum nitride electrostatic chuck	Rudolph C. Enck, Jonathan H. Harris, Thomas NEMECEK	2000-01-25
5888446	Method of forming an aluminum nitride article utilizing a platinum catalyst	Jon A. Casey, Jonathan H. Harris, Lester W. Herron, Irvin C. Huseby, Richard A. Shelleman +1 more	1999-03-30	$21,009,000
5773377	Low temperature sintered, resistive aluminum nitride ceramics	Jonathan H. Harris, Subhash L. Shinde, Lester W. Herron, Benjamin V. Fasano	1998-06-30	$9,812,000
5763093	Aluminum nitride body having graded metallurgy	Jon A. Casey, Carla N. Cordero, Benjamin V. Fasano, David B. Goland, Robert Hannon +7 more	1998-06-09	$6,285,000
5682589	Aluminum nitride body having graded metallurgy	Jon A. Casey, Carla N. Cordero, Benjamin V. Fasano, David B. Goland, Robert Hannon +7 more	1997-10-28	$23,423,000
5552107	Aluminum nitride body having graded metallurgy	Jon A. Casey, Carla N. Cordero, Benjamin V. Fasano, David B. Goland, Robert Hannon +7 more	1996-09-03
5552232	Aluminum nitride body having graded metallurgy	Jon A. Casey, Carla N. Cordero, Benjamin V. Fasano, David B. Goland, Robert Hannon +7 more	1996-09-03	$8,127,000
5541145	Low temperature sintering route for aluminum nitride ceramics	Jonathan H. Harris, Subhash L. Shinde, Takeshi Takamori, Lester W. Herron, Benjamin V. Fasano	1996-07-30
5424261	Low temperature sintering route for aluminum nitride ceramics	Jonathan H. Harris, Subhash L. Shinde, Takeshi Takamori	1995-06-13	$13,914,000

Robert A. Youngman — 10 Patents

Patents per Year

Issued Patents All Time

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