Inventor
David C. Chapman
Inventor
Santa Clara, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing31%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
C07KPeptides6%
G16CComputational chemistry6%
H01LSemiconductor devices6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
G01RMeasuring electric variables3%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%
PatentTitleYear
10,636,929Cross-talk suppression in Geiger-mode avalanche photodiodes202010,361,334Cross-talk suppression in Geiger-mode avalanche photodiodes20198,555,219'Identifying hierarchical chip design intellectual property through digests'20138,352,890'Method for reading polygon data into an integrated circuit router'20138,266,571'Methods and devices for independent evaluation of cell integrity, changes and origin in chip design for production workflow'20127,685,545'Methods and devices for independent evaluation of cell integrity, changes and origin in chip design for production workflow'20107,506,289'Approach for routing an integrated circuit'20097,155,207'System and method of analyzing communications between a calling party and a called party'20067,065,729'Approach for routing an integrated circuit'20066,275,971'Methods and apparatus for design rule checking'20016,128,767'Polygon representation in an integrated circuit layout'20006,081,766'Machine-learning approach to modeling biological activity for molecular design and to modeling other characteristics'20005,815,416'Method of measuring energy consumption in a circuit simulator'19985,526,281'Machine-learning approach to modeling biological activity for molecular design and to modeling other characteristics'19965,113,451'Method for labelling polygons'19924,849,313'Method for making a reticle mask'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1998Patents assigned to VLSI TECHNOLOGY INC (3)· patent assignee history
1989–1992Based in Campbell, CA, US· patent location history
1996–2000Based in San Francisco, CA, US· patent location history
1998–2009Based in Santa Clara, CA, US· patent location history
2006–2020Patents assigned to CHAPMAN DAVID C (4)· patent assignee history
2010–2013Patents assigned to OASIS TOOLING INC (3)· patent assignee history
2010–2013Based in San Jose, CA, US· patent location history
2012–2013Patents assigned to CHAPMAN DAVID (2)· patent assignee history
2019–2020Patents assigned to MASSACHUSETTS INST TECHNOLOGY (2)· patent assignee history
2019–2020Based in Albuquerque, NM, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHAPMAN DAVID Cself | 4 | 2006–2020 |
| OASIS TOOLING INC | 3 | 2010–2013 |
| VLSI TECHNOLOGY INC | 3 | 1989–1998 |
| CHAPMAN DAVIDself | 2 | 2012–2013 |
| MASSACHUSETTS INST TECHNOLOGY | 2 | 2019–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Clara, California, US | 5 | 1998–2009 |
| San Jose, California, US | 4 | 2010–2013 |
| Albuquerque, NM, US | 2 | 2019–2020 |
| San Francisco, California, US | 2 | 1996–2000 |
| Campbell, California, US | 2 | 1989–1992 |