Inventor
Mei Cheng
Inventor
San Jose, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1044%
C23CCoating metallic material11%
G01SRadio direction-finding11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices11%
H01JElectric discharge tubes or discharge lamps11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
PatentTitleYear
11,112,484System and method for establishing relative distance and position of a transmitting antenna20215,902,452'Method for etching silicon surface'19995,304,248'Passive shield for CVD wafer processing which provides frontside edge exclusion and prevents backside depositions'19945,112,435'Materials and methods for etching silicides, polycrystalline silicon and polycides'19924,668,338'Magnetron-enhanced plasma etching process'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1994Patents assigned to APPLIED MATERIALS INC (3)· patent assignee history
1987–1992Based in San Jose, CA, US· patent location history
1994Based in Cupertino, CA, US· patent location history
1999Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history
1999Based in Taipei, TW· patent location history
2021Patents assigned to NANNING FUGUI PREC IND CO LTD (1)· patent assignee history
2021Based in New Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLIED MATERIALS INC | 3 | 1987–1994 |
| NANNING FUGUI PREC IND CO LTD | 1 | 2021 |
| TAIWAN SEMICONDUCTOR MFG | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 2 | 1987–1992 |
| New Taipei, TW | 1 | 2021 |
| Taipei, TW | 1 | 1999 |
| Cupertino, California, US | 1 | 1994 |