Inventor
Ralph C. Wolf
Inventor
Santa Clara, CA, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing33%
G06VImage or video recognition or understanding30%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
G01BMeasuring length, thickness or similar linear dimensions5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
H01JElectric discharge tubes or discharge lamps5%
E05BLocks2%
G01RMeasuring electric variables2%
G02BOptical elements, systems or apparatus2%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
PatentTitleYear
9,389,166'Enhanced high-speed logarithmic photo-detector for spot scanning system'20167,911,456'Object position detector with edge motion feature and gesture recognition'20117,907,127'Object position detector with edge motion feature and gesture recognition'20117,812,829'Object position detector with edge motion feature and gesture recognition'20107,532,205'Object position detector with edge motion feature and gesture recognition'20097,450,113'Object position detector with edge motion feature and gesture recognition'20087,109,978'Object position detector with edge motion feature and gesture recognition'20067,106,434'Inspection tool'20067,012,683'Apparatus and methods for optically inspecting a sample for anomalies'20066,833,913'Apparatus and methods for optically inspecting a sample for anomalies'20046,750,852'Object position detector with edge motion feature and gesture recognition'20046,610,936'Object position detector with edge motion feature and gesture recognition'20036,414,671'Object position detector with edge motion feature and gesture recognition'20026,380,931'Object position detector with edge motion feature and gesture recognition'20026,177,665'High-speed logarithmic photo-detector'20016,028,271'Object position detector with edge motion feature and gesture recognition'20006,002,122'High-speed logarithmic photo-detector'19995,880,411'Object position detector with edge motion feature and gesture recognition'19995,543,591'Object position detector with edge motion feature and gesture recognition'19965,488,204'Paintbrush stylus for capacitive touch sensor pad'19965,276,498'Adaptive spatial filter for surface inspection'19945,241,366'Thin film thickness monitor'19935,076,692'Particle detection on a patterned or bare wafer surface'19914,601,504'Safety mechanism for high security lock'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Based in Yorba Linda, CA, US· patent location history
1991–1994Patents assigned to TENCOR INSTRUMENTS (3)· patent assignee history
1991–2016Based in Palo Alto, CA, US· patent location history
1996–2011Patents assigned to SYNAPTICS INC (14)· patent assignee history
1999–2011Based in Santa Clara, CA, US· patent location history
2004–2006Patents assigned to KLA TENCOR TECH CORP (2)· patent assignee history
2006Patents assigned to KLA TENCOR TECHNOLOGIES INC (1)· patent assignee history
2016Patents assigned to KLA TENCOR CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SYNAPTICS INC | 14 | 1996–2011 |
| TENCOR INSTRUMENTS | 3 | 1991–1994 |
| KLA TENCOR TECH CORP | 2 | 2004–2006 |
| KLA TENCOR CORP | 1 | 2016 |
| KLA TENCOR TECHNOLOGIES INC | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Clara, California, US | 14 | 1999–2011 |
| Palo Alto, California, US | 9 | 1991–2016 |
| Yorba Linda, California, US | 1 | 1986 |