Inventor
Richmond B. Chan
Inventor
Arlington Heights, IL, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing20%
A63FCard, board, or roulette games13%
G01BMeasuring length, thickness or similar linear dimensions7%
G01RMeasuring electric variables7%
G01SRadio direction-finding7%
G02BOptical elements, systems or apparatus7%
G06KGraphical data reading7%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes7%
G06TImage data processing or generation, in general7%
G06VImage or video recognition or understanding7%
PatentTitleYear
10,915,164Directed emitter/sensor for electromagnetic tracking in augmented reality systems202110,909,760Creating a topological map for localization in augmented or virtual reality systems20219,414,496'Method for a printed circuit board with an array of high density AC coupling/DC blocking capacitors'20165,764,931'Method and apparatus for passing bus mastership between processors using predefined bus mastership states'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to SUN MICROSYSTEMS INC (1)· patent assignee history
1998–2016Based in Cupertino, CA, US· patent location history
2016Patents assigned to ORACLE INT CORP (1)· patent assignee history
2021Patents assigned to MAGIC LEAP INC (2)· patent assignee history
2021Based in Arlington Heights, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAGIC LEAP INC | 2 | 2021 |
| ORACLE INT CORP | 1 | 2016 |
| SUN MICROSYSTEMS INC | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Arlington Heights, Illinois, US | 2 | 2021 |
| Cupertino, California, US | 2 | 1998–2016 |