Robert William Ryan — 10 Patents at AT&T

Robert William Ryan has been granted 10 US patents while listed as an inventor at AT&T. The first was granted in 1991 and the most recent in February 2005. Robert William Ryan ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Robert William Ryan in Piscataway, NJ, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6855613	Method of fabricating a heterojunction bipolar transistor	Robert Alan Hamm, Rose Kopf, Alaric Tate, Yu-Chi Wang	2005-02-15
6294018	Alignment techniques for epitaxial growth processes	Robert Alan Hamm, Rose Kopf, Christopher James Pinzone, Alaric Tate	2001-09-25	$30,538,000
6165859	Method for making InP heterostructure devices	Robert Alan Hamm, Rose Kopf, Alaric Tate	2000-12-26	$28,470,000
6156665	Trilayer lift-off process for semiconductor device metallization	Robert Alan Hamm, Rose Kopf	2000-12-05	$30,036,000
6139995	Method of manufacturing schottky gate transistor utilizing alignment techniques with multiple photoresist layers	Jinwook Burm, Robert Alan Hamm, Rose Kopf, Alaric Tate	2000-10-31	$27,455,000
6042975	Alignment techniques for photolithography utilizing multiple photoresist layers	Jinwook Burm, Robert Alan Hamm, Rose Kopf, Alaric Tate	2000-03-28	$96,697,000
5932379	Repairing fractured wafers in semiconductor manufacturing	Jinwook Burm, Robert Alan Hamm, Rose Kopf, Alaric Tate	1999-08-03	$105,702,000
5907165	INP heterostructure devices	Robert Alan Hamm, Rose Kopf, Alaric Tate	1999-05-25	$69,926,000
5106766	Method of making a semiconductor device that comprises p-type III-V semiconductor material	Leda M. Lunardi, Roger Malik	1992-04-21
5001534	Heterojunction bipolar transistor	Leda M. Lunardi, Roger Malik	1991-03-19

Robert William Ryan — 10 Patents

Issued Patents All Time

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