Christopher Ramsayer — 7 Patents at Lam Research

Christopher Ramsayer has been granted 7 US patents while listed as an inventor at Lam Research. The first was granted in 2018 and the most recent in April 2025. Christopher Ramsayer ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Christopher Ramsayer in Tualatin, OR, US.

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Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12283451	Systems and methods for filtering radio frequencies from a signal of a thermocouple and controlling a temperature of an electrode in a plasma chamber	Vince Burkhart, Mohan Thilagaraj	2025-04-22
11488810	Showerhead shroud	Andrew Borth	2022-11-01	$239,951,000
11189452	Systems and methods for filtering radio frequencies from a signal of a thermocouple and controlling a temperature of an electrode in a plasma chamber	Vince Burkhart, Mohan Thilagaraj	2021-11-30	$778,600,000
10704149	Defect control and stability of DC bias in RF plasma-based substrate processing systems using molecular reactive purge gas	Arul N. Dhas, Kareem Boumatar	2020-07-07	$119,304,000
10373794	Systems and methods for filtering radio frequencies from a signal of a thermocouple and controlling a temperature of an electrode in a plasma chamber	Vince Burkhart, Mohan Thilagaraj	2019-08-06	$34,626,000
10081869	Defect control in RF plasma substrate processing systems using DC bias voltage during movement of substrates	Edward Augustyniak, Akhil Singhal, Kareem Boumatar	2018-09-25	$87,167,000
10047438	Defect control and stability of DC bias in RF plasma-based substrate processing systems using molecular reactive purge gas	Arul N. Dhas, Kareem Boumatar	2018-08-14	$33,763,000

Christopher Ramsayer — 7 Patents

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