Inventor · disambiguated record
Norifumi Kawashima
Also filed as: KAWASHIMA NORIFUMI
5 granted patents·21 citations·filing 1974–1999
76Inventor score
Files withSONY CORP5
Top patents by PatentIndex Score
5 records- 0164US6078757APhotographic camera systemSONY CORP·Filed 1999·Granted Jun 20, 2000·7 cites·6 claims
- 0243US6006042APhotographic camera systemSONY CORP·Filed 1997·Granted Dec 21, 1999·2 cites·15 claims
- 0342US3939489ARecording and reproducing apparatusSONY CORP·Filed 1974·Granted Feb 17, 1976·6 cites·20 claims
- 0435US6115558APhotographic camera systemSONY CORP·Filed 1999·Granted Sep 5, 2000·4 cites·8 claims
- 0526US6513722B1Cartridge and memory medium comprising cartridge and plate memorySONY CORP·Filed 1999·Granted Feb 4, 2003·2 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Norifumi Kawashima 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 →