Inventor

Wilhelmus De Groot

Inventor

Palo Alto, CA, US

Overview

8→

Patents

2005–2016

Patent span

Physics

Primary field (CPC G)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus29%

B81BMicrostructural devices or systems, e.g. micromechanical devices24%

B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems10%

E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates5%

G06FElectric digital data processing5%

G09GArrangements or circuits for control of indicating devices using static means to present variable information5%

H01LSemiconductor devices5%

H04WWireless communication networks5%

H10DInorganic electric semiconductor devices5%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%

PatentTitleYear

9,524,092'Display mode selection according to a user profile or a hierarchy of criteria'2016 9,202,821'Thin-film transistors incorporated into three dimensional MEMS structures'2015 8,817,357'Mechanical layer and methods of forming the same'2014 8,724,202'Switchable windows with MEMS shutters'2014 7,855,826'Method and apparatus to reduce or eliminate stiction and image retention in interferometric modulator devices'2010 7,244,631'MEMS surface modification for passive control of charge accumulation'2007 7,202,988'Diffractive light modulator'2007 6,922,272'Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2007Patents assigned to SILICON LIGHT MACHINES CORP (3)· patent assignee history

2005–2016Based in Palo Alto, CA, US· patent location history

2010–2014Patents assigned to QUALCOMM MEMS TECHNOLOGIES INC (3)· patent assignee history

2014Patents assigned to DE GROOT WILHELMUS A (1)· patent assignee history

2014Patents assigned to DE GROOT WILHELMUS ADRIANUS (1)· patent assignee history

2015–2016Patents assigned to PIXTRONIX INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
QUALCOMM MEMS TECHNOLOGIES INC	3	2010–2014
SILICON LIGHT MACHINES CORP	3	2005–2007
PIXTRONIX INC	2	2015–2016
DE GROOT WILHELMUS Aself	1	2014
DE GROOT WILHELMUS ADRIANUSself	1	2014

Locations

Location	Patents	Span
Palo Alto, California, US	8	2005–2016