Inventor · disambiguated record
Koji Sasazawa
Also filed as: AKASHI GORO · KITAMOTO TATSUJI · SASAZAWA KOJI
16 granted patents·248 citations·filing 1975–1992
94Inventor score
Files withFUJI PHOTO FILM CO LTD16
Top patents by PatentIndex Score
16 records- 0190US4200680AProcess for preparing magnetic iron oxide and magnetic iron oxide produced therebyFUJI PHOTO FILM CO LTD·Filed 1975·Granted Apr 29, 1980·56 cites·10 claims
- 0286US4002804AMagnetic recording materialFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 11, 1977·28 cites·13 claims
- 0383US4125474AProcess for producing ferrogmagnetic iron oxide powder comprising a pre-treatment with a reducing agentFUJI PHOTO FILM CO LTD·Filed 1976·Granted Nov 14, 1978·23 cites·14 claims
- 0483US4015030AProcess for stabilization of ferromagnetic material and magnetic recording memberFUJI PHOTO FILM CO LTD·Filed 1975·Granted Mar 29, 1977·21 cites·9 claims
- 0580US4267207AProcess for producing cobalt-containing ferromagnetic iron oxide powderFUJI PHOTO FILM CO LTD·Filed 1979·Granted May 12, 1981·22 cites·20 claims
- 0679US4066564AProcess for producing cobalt- and iron-containing ferromagnetic powder by heat-treatment in the presence of an oxidizing agentFUJI PHOTO FILM CO LTD·Filed 1976·Granted Jan 3, 1978·20 cites·21 claims
- 0774US4069164AProcess for producing ferromagnetic powderFUJI PHOTO FILM CO LTD·Filed 1976·Granted Jan 17, 1978·16 cites·22 claims
- 0871US4066565AProcess for producing cobalt- and iron-containing ferromagnetic powderFUJI PHOTO FILM CO LTD·Filed 1976·Granted Jan 3, 1978·14 cites·15 claims
- 0958US4179387AProcess for producing magnetic FE oxideFUJI PHOTO FILM CO LTD·Filed 1977·Granted Dec 18, 1979·9 cites·5 claims
- 1056US4876113AMethod for producing magnetic recording mediaFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 24, 1989·9 cites·17 claims
- 1150US4990361AMethod for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Feb 5, 1991·7 cites·15 claims
- 1246US5370928AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1992·Granted Dec 6, 1994·11 cites·10 claims
- 1339US4982302AMagnetic recording medium and method for magnetic recording and reproductionFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jan 1, 1991·5 cites·4 claims
- 1436US4948626AMethod for producing thin-film magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 14, 1990·3 cites·8 claims
- 1533US4923748AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted May 8, 1990·3 cites·7 claims
- 1630US4956229AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Sep 11, 1990·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →