Inventor
Ulrich Grzesik
Inventor
Bergisch Gladbach, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus45%
H01RElectrically-conductive connections18%
C03CChemical composition of glasses, glazes or vitreous enamels9%
G01MTesting static or dynamic balance of machines or structures9%
H05KPrinted circuits9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
6,564,450'Contacting-making system for two printed circuit boards'20036,431,881'Electrical connector'20026,220,059'Method of coating a UV-fiber with blocking layers and charging the fiber with hydrogen or deuterium'20014,994,679'Method of measuring the eccentricity of a waveguide embedded in a cylindrical connector pin'19914,946,248'Connection end of a light waveguide bonded to a holder'19904,883,954'Method of measuring optical radiation energy reflected by a reflection area'19894,877,302'Plug connector for the ends of two light waveguides'19894,869,571'Plug pin for a light waveguide'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to PHILIPS CORP (4)· patent assignee history
1989Patents assigned to ESSER HILDEGARD (1)· patent assignee history
1989Patents assigned to GRZESIK ULRICH (1)· patent assignee history
1989–1991Based in Bergisch Gladbach, DE· patent location history
2001Patents assigned to HERAEUS QUARZGLAS (1)· patent assignee history
2001Based in Freigericht, DE· patent location history
2002–2003Patents assigned to LEONI BORDNETZ SYS GMBH & CO (2)· patent assignee history
2002–2003Based in Nrnberg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 4 | 1989–1991 |
| LEONI BORDNETZ SYS GMBH & CO | 2 | 2002–2003 |
| ESSER HILDEGARD | 1 | 1989 |
| GRZESIK ULRICHself | 1 | 1989 |
| HERAEUS QUARZGLAS | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bergisch Gladbach, DE | 5 | 1989–1991 |
| Nrnberg, DE | 2 | 2002–2003 |
| Freigericht, DE | 1 | 2001 |