Inventor · disambiguated record
C. Evan Johnson
Also filed as: JOHNSON C EVAN
3 granted patents·66 citations·filing 1976–1976
73Inventor score
Files withHITACHI MAGNETICS CORP3
Top patents by PatentIndex Score
3 records- 0179US4031652AFishing line release mechanismHITACHI MAGNETICS CORP·Filed 1976·Granted Jun 28, 1977·34 cites·5 claims
- 0249US4122563AToilet seat assemblyHITACHI MAGNETICS CORP·Filed 1976·Granted Oct 31, 1978·19 cites·4 claims
- 0349US4015362AFishing line release mechanismHITACHI MAGNETICS CORP·Filed 1976·Granted Apr 5, 1977·13 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when C. Evan Johnson 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 →