Inventor · disambiguated record
Shizuo Umemura
Also filed as: UMEMURA SHIZUO
16 granted patents·247 citations·filing 1982–2000
94Inventor score
Top patents by PatentIndex Score
16 records- 0187US4713258AMethod of forming ultrafine patternsJAPAN RES DEV CORP·Filed 1985·Granted Dec 15, 1987·49 cites·12 claims
- 0284US5418029AInformation recording medium and methodFUJI PHOTO FILM CO LTD·Filed 1993·Granted May 23, 1995·33 cites·7 claims
- 0382US6519387B1Image recording device and optical fiberFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 11, 2003·25 cites·15 claims
- 0479US5371729AInformation recording methodFUJI PHOTO FILM CO LTD·Filed 1993·Granted Dec 6, 1994·26 cites·4 claims
- 0577US4475946AFerromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Si, P, Mo, Sn, Sb and Ag coated with mono- or dialkoxysilanesFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 9, 1984·25 cites·7 claims
- 0664US4983025AMagneto-optical thin filmFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jan 8, 1991·13 cites·7 claims
- 0763US4437882AFerromagnetic powder treated with an organic silane compoundFUJI PHOTO FILM CO LTD·Filed 1983·Granted Mar 20, 1984·15 cites·17 claims
- 0859US4487627AMethod for preparing ferromagnetic metal particlesFUJI PHOTO FILM CO LTD·Filed 1983·Granted Dec 11, 1984·13 cites·10 claims
- 0949US4805145AMethod for recording and reproducing informationJAPAN RES DEV CORP·Filed 1986·Granted Feb 14, 1989·7 cites·11 claims
- 1047US4822673AMicrowave deviceFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 18, 1989·10 cites·14 claims
- 1147US4554089AFerromagnetic particles with stable magnetic characteristics and method of preparing sameFUJI PHOTO FILM CO LTD·Filed 1983·Granted Nov 19, 1985·7 cites·7 claims
- 1246US5055353AMagneto-optical recording mediumFUJI PHOTO FILM CO LTD·Filed 1990·Granted Oct 8, 1991·10 cites·10 claims
- 1344US4608093AFerromagnetic particles with stable magnetic characteristics and method of preparing sameFUJI PHOTO FILM CO LTD·Filed 1985·Granted Aug 26, 1986·7 cites·5 claims
- 1437US4481253AProcess for preparing ferromagnetic metal powder and a magnetic recording medium including the powderFUJI PHOTO FILM CO LTD·Filed 1982·Granted Nov 6, 1984·4 cites·16 claims
- 1533US5981042AMedium for recording information on ferroelectric material using polarizationFUJI PHOTO FILM CO LTD·Filed 1997·Granted Nov 9, 1999·2 cites·2 claims
- 1631US5684522AMethod of recording information on ferroelectric material using polarizationFUJI PHOTO FILM CO LTD·Filed 1994·Granted Nov 4, 1997·1 cites·2 claims
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