Inventor
Frank Diedrich
Inventor
Karlsruhe, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%
G02BOptical elements, systems or apparatus17%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them17%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
H01JElectric discharge tubes or discharge lamps8%
H04NPictorial communication, e.g. television8%
PatentTitleYear
10,120,213Temperature-compensated optical isolator20188,745,813'Wiper blade with a supporting element'20147,544,233'Gas chromatograph with a mass spectrometer situated down therefrom, and method for performing the gas chromatographic/mass spectrometric analysis of a substance mixture'20096,426,836'Method and apparatus for reducing the formation of spots in laser projection'20026,424,452'Transversal electrooptical modulator'20026,404,531'Transverse electro-optic modulator'20026,092,900'Method and apparatus for reducing the formation of spots in laser projection'20005,999,343'Housing for crystal accommodated in its interior with polished optical end faces'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Carmering, DE· patent location history
2000–2002Patents assigned to HEWLETT PACKARD CO (2)· patent assignee history
2000–2002Based in Germering, DE· patent location history
2002Patents assigned to GSANGER OPTOELEKTRONIK GMBH & (2)· patent assignee history
2002–2018Based in Karlsruhe, DE· patent location history
2014Patents assigned to AZNAG MOHAMED (1)· patent assignee history
2014Patents assigned to BEHR BERNARD (1)· patent assignee history
2014Patents assigned to BOSCH GMBH ROBERT (1)· patent assignee history
2014Based in Tienen, BE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GSANGER OPTOELEKTRONIK GMBH & | 2 | 2002 |
| HEWLETT PACKARD CO | 2 | 2000–2002 |
| AZNAG MOHAMED | 1 | 2014 |
| BEHR BERNARD | 1 | 2014 |
| BOSCH GMBH ROBERT | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Karlsruhe, DE | 3 | 2002–2018 |
| Germering, DE | 3 | 2000–2002 |
| Tienen, BE | 1 | 2014 |
| Carmering, DE | 1 | 1999 |