Inventor · disambiguated record
Herman W. Willemsen
Also filed as: WILLEMSEN HERMAN W · WILLEMSEN HERMAN W P
6 granted patents·374 citations·filing 1980–1996
87Inventor score
Files withNORTHERN TELECOM LTD6
Top patents by PatentIndex Score
6 records- 0195US4475033APositioning device for optical system elementNORTHERN TELECOM LTD·Filed 1982·Granted Oct 2, 1984·137 cites·17 claims
- 0293US4337531AScanning head for an optical disc systemNORTHERN TELECOM LTD·Filed 1980·Granted Jun 29, 1982·55 cites·11 claims
- 0389US4969712AOptoelectronic apparatus and method for its fabricationNORTHERN TELECOM LTD·Filed 1989·Granted Nov 13, 1990·81 cites·19 claims
- 0484US4672600AOptical disc having protective coverNORTHERN TELECOM LTD·Filed 1986·Granted Jun 9, 1987·39 cites·6 claims
- 0576US5751454AWavelength bypassed ring networksNORTHERN TELECOM LTD·Filed 1996·Granted May 12, 1998·58 cites·22 claims
- 0636US4366488ARead/write arrangement for a magnetic terminalNORTHERN TELECOM LTD·Filed 1980·Granted Dec 28, 1982·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →