Inventor · disambiguated record
William J. Sinclair
Also filed as: SINCLAIR WILLIAM J
7 granted patents·224 citations·filing 1980–1992
88Inventor score
Top patents by PatentIndex Score
7 records- 0188US4378144AOptical switchNORTHERN TELECOM LTD·Filed 1980·Granted Mar 29, 1983·63 cites·5 claims
- 0276US4364639AVariable attenuation electro-optic deviceNORTHERN TELECOM LTD·Filed 1980·Granted Dec 21, 1982·43 cites·8 claims
- 0375US4695125AHermetic optical attenuatorNORTHERN TELECOM LTD·Filed 1981·Granted Sep 22, 1987·13 cites·7 claims
- 0475US4284884AElectro-optic devicesNORTHERN TELECOM LTD·Filed 1980·Granted Aug 18, 1981·39 cites·18 claims
- 0574US5172271AGraded index lens structure suitable for optical fiber terminationJDS FITEL INC·Filed 1991·Granted Dec 15, 1992·39 cites·8 claims
- 0661US4702549AReciprocating variable optical attenuator filterDUCK GARY S·Filed 1984·Granted Oct 27, 1987·19 cites·9 claims
- 0758US5259439AStrip castingISHIKAWAJIMA HARIMA HEAVY IND·Filed 1992·Granted Nov 9, 1993·8 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when William J. Sinclair files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →