Inventor
Chul Woo Nam
Inventor
Seoul, KR
Overview
Patents· 14 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 h1016%
F02BInternal-combustion piston engines11%
F02GHot gas or combustion-product positive-displacement engine plants11%
C09GPolishing compositions8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
C22BProduction and refining of metals5%
H01LSemiconductor devices5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
B24BMachines, devices, or processes for grinding or polishing3%
PatentTitleYear
10,619,075Self-stopping polishing composition and method for bulk oxide planarization202010,619,076Self-stopping polishing composition and method for bulk oxide planarization20209,416,432'Leaching method of rare-earth metals using hydrochloric acid from manganese nodule'20168,778,211'GST CMP slurries'20148,268,034'Manufacturing method of ferromolybdenum from molybdenite'20128,157,876'Slurry composition containing non-ionic polymer and method for use'20126,663,480'Polishing pad for semiconductor and optical parts, and method for manufacturing the same'20036,226,339'Method and system for detecting phase lock in a phase-locked loop'20016,051,477'Method of fabricating semiconductor device'20006,032,304'Swimming pool containing saltwater for buoyancy'20004,754,606'Composite engine system'19884,644,752'Engine system for ships'19874,638,635'Internal combustion engine system'19874,531,480'Power magnification apparatus of a internal and external engine'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1988Patents assigned to NAM CHUL W (4)· patent assignee history
1985–2000Based in Seoul, KR· patent location history
2003Based in Kyung Gi-Do, KR· patent location history
2012–2020Patents assigned to CABOT MICROELECTRONICS CORP (4)· patent assignee history
2012–2014Patents assigned to NAM CHUL WOO (3)· patent assignee history
2012Patents assigned to CHOI YOUNG YOON (1)· patent assignee history
2012Patents assigned to GRUMBINE STEVEN (1)· patent assignee history
2012–2020Based in Naperville, IL, US· patent location history
2012–2016Based in Daejeon, KR· patent location history
2014Based in Yongin-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CABOT MICROELECTRONICS CORP | 4 | 2012–2020 |
| NAM CHUL Wself | 4 | 1985–1988 |
| NAM CHUL WOOself | 3 | 2012–2014 |
| CHOI YOUNG YOON | 1 | 2012 |
| GRUMBINE STEVEN | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 5 | 1985–2000 |
| Naperville, Illinois, US | 3 | 2012–2020 |
| Daejeon, KR | 2 | 2012–2016 |
| Yongin-si, KR | 1 | 2014 |
| Kyung Gi-Do, KR | 1 | 2003 |