Inventor · disambiguated record
Masaaki Fujiyama
Also filed as: FUJIYAMA MASAAKI · TAKAYAMA SATORU · YAMAGUCHI NOBUTAKA
119 granted patents·1,804 citations·filing 1974–1999
99Inventor score
Files withFUJI PHOTO FILM CO LTD119
Top patents by PatentIndex Score
119 records- 0196US4135031AMagnetic recording substanceFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 16, 1979·58 cites·12 claims
- 0294US5366525AManufacture of abrasive tapeFUJI PHOTO FILM CO LTD·Filed 1993·Granted Nov 22, 1994·96 cites·2 claims
- 0393US5633068AAbrasive tape having an interlayer for magnetic head cleaning and polishingFUJI PHOTO FILM CO LTD·Filed 1995·Granted May 27, 1997·89 cites·6 claims
- 0493US4439486AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Mar 27, 1984·41 cites·14 claims
- 0592US4528240AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jul 9, 1985·37 cites·17 claims
- 0690US6376057B1Packaging material for photographic photosensitive materialFUJI PHOTO FILM CO LTD·Filed 1999·Granted Apr 23, 2002·75 cites·16 claims
- 0790US4414270AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Nov 8, 1983·33 cites·6 claims
- 0890US4138229ACleaning tape for magnetic headFUJI PHOTO FILM CO LTD·Filed 1977·Granted Feb 6, 1979·34 cites·10 claims
- 0989US4474843AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Oct 2, 1984·33 cites·19 claims
- 1088US4310599AMagnetic recording elementFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 12, 1982·25 cites·6 claims
- 1187US4324177ACalender roll for supercalenderFUJI PHOTO FILM CO LTD·Filed 1980·Granted Apr 13, 1982·52 cites·8 claims
- 1286US4002804AMagnetic recording materialFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 11, 1977·28 cites·13 claims
- 1384US4450199AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted May 22, 1984·24 cites·8 claims
- 1483US4420532AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Dec 13, 1983·36 cites·6 claims
- 1582US4343831AProcess for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Aug 10, 1982·22 cites·9 claims
- 1682US4337288AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1980·Granted Jun 29, 1982·27 cites·5 claims
- 1780US4504542AMagnetic recording medium having a subbing layer of amorphous saturated polyestersFUJI PHOTO FILM CO LTD·Filed 1983·Granted Mar 12, 1985·20 cites·7 claims
- 1880US4146031ALeader or trailer for a magnetic tapeFUJI PHOTO FILM CO LTD·Filed 1977·Granted Mar 27, 1979·19 cites·10 claims
- 1980US4117190AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1974·Granted Sep 26, 1978·17 cites·21 claims
- 2078US5456734AAbrasive memberFUJI PHOTO FILM CO LTD·Filed 1994·Granted Oct 10, 1995·23 cites·3 claims
- 2178US4643941AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Feb 17, 1987·22 cites·19 claims
- 2277US5573444APolishing methodFUJI PHOTO FILM CO LTD·Filed 1994·Granted Nov 12, 1996·24 cites·2 claims
- 2377US4617226AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 14, 1986·32 cites·12 claims
- 2477US4582757AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Apr 15, 1986·18 cites·13 claims
- 2574US4578311AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Mar 25, 1986·27 cites·5 claims
- 2674US4391851AProcess for producing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jul 5, 1983·16 cites·21 claims
- 2771US5611826AAbrasive tapeFUJI PHOTO FILM CO LTD·Filed 1996·Granted Mar 18, 1997·23 cites·5 claims
- 2871US4544601AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 1, 1985·22 cites·49 claims
- 2971US4135032AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 16, 1979·14 cites·10 claims
- 3070US4546038AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 8, 1985·21 cites·17 claims
- 3170US4367261AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jan 4, 1983·24 cites·7 claims
- 3269US4552799AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Nov 12, 1985·13 cites·11 claims
- 3369US4171406AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1978·Granted Oct 16, 1979·13 cites·9 claims
- 3468US4626469AMagnetic recording materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Dec 2, 1986·20 cites·7 claims
- 3566US5036629AMethod for preparing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1990·Granted Aug 6, 1991·16 cites·7 claims
- 3666US4916024AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Apr 10, 1990·23 cites·8 claims
- 3766US4448842AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted May 15, 1984·18 cites·17 claims
- 3865US5009929AProcess for the preparation of magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1990·Granted Apr 23, 1991·15 cites·7 claims
- 3965US4612235AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Sep 16, 1986·13 cites·5 claims
- 4064US4652958ATape for cleaning magnetic headFUJI PHOTO FILM CO LTD·Filed 1985·Granted Mar 24, 1987·12 cites·8 claims
- 4164US4411953AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Oct 25, 1983·11 cites·8 claims
- 4263US4844991AMagnetic recording medium and process for the preparation of the sameFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jul 4, 1989·12 cites·7 claims
- 4363US4687704AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1986·Granted Aug 18, 1987·12 cites·6 claims
- 4462US4579778AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Apr 1, 1986·10 cites·17 claims
- 4562US4388360AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jun 14, 1983·10 cites·10 claims
- 4661US4745017AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted May 17, 1988·10 cites·6 claims
- 4761US4598014AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jul 1, 1986·10 cites·13 claims
- 4861US4532172ALeader or trailer tapeFUJI PHOTO FILM CO LTD·Filed 1979·Granted Jul 30, 1985·14 cites·14 claims
- 4961US4427738AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jan 24, 1984·10 cites·8 claims
- 5061US4132827AMagnetic recording substanceFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 2, 1979·14 cites·9 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
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