Inventor · disambiguated record
Masakazu Iwasa
Also filed as: IWASA MASAKAZU · KATO HISASHI
13 granted patents·135 citations·filing 1974–1988
91Inventor score
Files withFUJI PHOTO FILM CO LTD13
Top patents by PatentIndex Score
13 records- 0190US4187774AElectrostatic print marking apparatusFUJI PHOTO FILM CO LTD·Filed 1978·Granted Feb 12, 1980·31 cites·2 claims
- 0290US4144808AElectrophotographic marking apparatusFUJI PHOTO FILM CO LTD·Filed 1977·Granted Mar 20, 1979·35 cites·16 claims
- 0364US4075011AElectrostatic powder coating methodFUJI PHOTO FILM CO LTD·Filed 1974·Granted Feb 21, 1978·9 cites·11 claims
- 0460US4320408AMethod of forming electrostatic imageFUJI PHOTO FILM CO LTD·Filed 1979·Granted Mar 16, 1982·10 cites·12 claims
- 0557US4864451AFlexible disk jacketFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 5, 1989·10 cites·6 claims
- 0657US4393112ATransfer powder marking method using a core-shell powder comprising a pigment, solvent-insoluble polyester resin and a volatile halogenated hydrocarbon insoluble ingredientFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jul 12, 1983·10 cites·22 claims
- 0752US4281622AApparatus for developing electrostatic latent imageFUJI PHOTO FILM CO LTD·Filed 1980·Granted Aug 4, 1981·8 cites·3 claims
- 0850US5022519AFlexible disk jacketFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jun 11, 1991·6 cites·6 claims
- 0942US4297384AMethod of developing electrostatic latent imageFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 27, 1981·5 cites·3 claims
- 1042US3998634APowder electrophotographic methodFUJI PHOTO FILM CO LTD·Filed 1975·Granted Dec 21, 1976·4 cites·20 claims
- 1136US4192232AElectrostatic image recording method and apparatus thereforFUJI PHOTO FILM CO LTD·Filed 1978·Granted Mar 11, 1980·4 cites·12 claims
- 1234US4807078AFlexible disk jacket colored within specific munsell rangesFUJI PHOTO FILM CO LTD·Filed 1988·Granted Feb 21, 1989·2 cites·3 claims
- 1328US4670314AColored jacket for floppy diskFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jun 2, 1987·1 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Masakazu Iwasa 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 →