Inventor
Johannes van der Wal
Inventor
Eindhoven, NL
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light31%
G02BOptical elements, systems or apparatus23%
G11BInformation storage based on relative movement between record carrier and transducer15%
Y10TTechnical subjects covered by former us classification15%
B63BShips or other waterborne vessels8%
C03CChemical composition of glasses, glazes or vitreous enamels8%
PatentTitleYear
6,014,255'Polarizing beam splitter and magneto-optic reading device using the same'20005,904,383'Anti-theft bolt guard'19994,201,954'Gas discharge laser for generating linearly polarized radiation'19804,132,959'Gas discharge laser having an asymmetrical coupling-out mirror'19794,099,840'Multilayer reflector for gas discharge laser'19784,057,831'Video record disc manufactured by a process involving chemical or sputter etching'19773,986,141'Gas discharge laser'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2000Patents assigned to PHILIPS CORP (6)· patent assignee history
1976–1980Based in Eindhoven, NL· patent location history
1999Based in Bellingham, MA, US· patent location history
2000Based in Nuenen, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 6 | 1976–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Eindhoven, NL | 5 | 1976–1980 |
| Nuenen, NL | 1 | 2000 |
| Bellingham, Massachusetts, US | 1 | 1999 |