Inventor
Lawrence Wen-Hao Chang
Inventor
San Francisco, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication50%
G06FElectric digital data processing25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
E05FDevices for moving wings into open or closed position5%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof5%
G07CTime or attendance registers5%
PatentTitleYear
11,085,226Operating a door of a smart-home through various stages of user detection20218,566,514'Techniques to truncate data files in nonvolatile memory'20138,397,083'System and method for efficiently deleting a file from secure storage served by a storage system'20138,285,993'System and method for establishing a shared secret among nodes of a security appliance'20128,245,050'System and method for initial key establishment using a split knowledge protocol'20128,196,182'Distributed management of crypto module white lists'20128,190,905'Authorizing administrative operations using a split knowledge protocol'20128,116,455'System and method for securely initializing and booting a security appliance'20128,042,155'System and method for generating a single use password based on a challenge/response protocol'20117,979,624'Techniques to truncate data files in nonvolatile memory'20117,971,234'Method and apparatus for offline cryptographic key establishment'20117,958,356'System and method for establishing a shared secret among nodes of a security appliance'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2013Patents assigned to NETAPP INC (9)· patent assignee history
2011–2013Patents assigned to INTEL CORP (2)· patent assignee history
2011–2013Based in San Francisco, CA, US· patent location history
2011–2013Based in Rancho Cordova, CA, US· patent location history
2011Based in Redwood City, CA, US· patent location history
2012–2013Patents assigned to CHANG LAWRENCE WEN-HAO (6)· patent assignee history
2012–2013Patents assigned to SUBRAMANIAN ANANTHAN (6)· patent assignee history
2012–2013Patents assigned to SUSSLAND ROBERT JAN (3)· patent assignee history
2021Based in Palo Alto, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NETAPP INC | 9 | 2011–2013 |
| CHANG LAWRENCE WEN-HAOself | 6 | 2012–2013 |
| SUBRAMANIAN ANANTHAN | 6 | 2012–2013 |
| SUSSLAND ROBERT JAN | 3 | 2012–2013 |
| INTEL CORP | 2 | 2011–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Francisco, California, US | 8 | 2011–2013 |
| Rancho Cordova, California, US | 2 | 2011–2013 |
| Palo Alto, California, US | 1 | 2021 |
| Redwood City, California, US | 1 | 2011 |