Inventor
Erno H. Klaassen
Inventor
Los Altos, CA, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis17%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
G11BInformation storage based on relative movement between record carrier and transducer8%
B81BMicrostructural devices or systems, e.g. micromechanical devices5%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems5%
G02BOptical elements, systems or apparatus5%
G06FElectric digital data processing5%
H01GCapacitors5%
A61NElectrotherapy3%
G01RMeasuring electric variables3%
PatentTitleYear
11,069,255Fluctuating progress indicator202111,026,628Systems and methods of spatial filtering for measuring electrical signals202110,874,313Heartrate tracking techniques202010,779,738Electrical coupling of pulse transit time (PTT) measurement system to heart for blood pressure measurement202010,772,512Blood pressure monitoring using a multi-function wrist-worn device202010,726,731Breathing synchronization and monitoring202010,702,171Systems, devices, and methods for measuring blood pressure of a user202010,517,489Wrist worn accelerometer for pulse transit time (PTT) measurements of blood pressure201910,512,432Vital signs monitoring system201910,394,359Reducing display noise in an electronic device201910,324,032Light-based shielding detection201910,132,680UV dosimetry and exposure alert20189,851,298Light-based shielding detection20179,726,922'Reducing display noise in an electronic device'20179,037,234'Implantable cardiac stimulation devices, and methods of use therewith, that use assignable pace return capacitors'20158,965,526'Active rejection of MRI gradient signals in an implantable medical device'20157,872,394'MEMS device with two axes comb drive actuators'20117,545,228'Dynamic temperature compensation for a digitally controlled oscillator using dual MEMS resonators'20097,489,017'Fixed parallel plate MEMS capacitor microsensor array'20097,403,147'Precision capacitor array'20087,393,740'Methods for making fixed parallel plate MEMS capacitor microsensors and microsensor arrays'20087,115,969'Fixed parallel plate MEMS capacitor microsensor and microsensor array and method of making same'20066,977,511'Sensor and sensor array having improved selectivity'20056,864,692'Sensor having improved selectivity'20056,567,232'Capacitive voice coil actuator retract device with crash stop bounce detector'20036,560,057'Head positioning system for a disk drive during a power down condition'20036,400,534'Resistive shunt ESD and EOS protection for recording heads'20026,344,949'Flying height adjustment for air bearing sliders'20026,316,898'Pulse modulated capacitive retract device for a voice coil actuator'20015,600,174'Suspended single crystal silicon structures and method of making same'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Based in San Jose, CA, US· patent location history
2001–2003Patents assigned to IBM (4)· patent assignee history
2001–2003Based in Santa Clara, CA, US· patent location history
2005–2009Patents assigned to XSILOGY INC (5)· patent assignee history
2005–2009Based in Sunnyvale, CA, US· patent location history
2008–2021Based in Los Altos, CA, US· patent location history
2011Patents assigned to BANG CHRISTOPHER A (1)· patent assignee history
2015Patents assigned to PACESETTER INC (2)· patent assignee history
2017–2021Patents assigned to APPLE INC (14)· patent assignee history
2019–2020Based in Cupertino, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 14 | 2017–2021 |
| XSILOGY INC | 5 | 2005–2009 |
| IBM | 4 | 2001–2003 |
| PACESETTER INC | 2 | 2015 |
| BANG CHRISTOPHER A | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Altos, California, US | 15 | 2008–2021 |
| Sunnyvale, California, US | 5 | 2005–2009 |
| Santa Clara, California, US | 5 | 2001–2003 |
| Cupertino, California, US | 4 | 2019–2020 |
| San Jose, California, US | 1 | 1997 |