Inventor
ANDREW NAGENGAST
Inventor
US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Bprimary
B24BMachines, devices, or processes for grinding or polishing44%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1038%
H01LSemiconductor devices19%
PatentTitleYear
12,251,788Polishing head with local wafer pressure202512,214,469Polishing head retaining ring tilting moment control202511,986,923Polishing head with local wafer pressure202411,904,429Substrate polishing apparatus with contact extension or adjustable stop202411,660,721Dual loading retaining ring202311,623,321Polishing head retaining ring tilting moment control202311,400,560Retaining ring design2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to APPLIED MATERIALS INC (7)· patent assignee history
2022–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLIED MATERIALS INC | 7 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2022–2025 |