Inventor · disambiguated record
Fusao Yamanaka
Also filed as: YAMANAKA FUSAO
24 granted patents·5 pending applications·198 citations·filing 1985–2020
96Inventor score
Top patents by PatentIndex Score
29 records- 0193US6922288B2Laser multiplexing apparatusFUJI PHOTO FILM CO LTD·Filed 2004·Granted Jul 26, 2005·36 cites·7 claims
- 0281US7065117B2Semiconductor laser element having end-facet protection layer which includes unoxidized or unnitrided first sublayer formed on end facet and second sublayer produced by oxidizing or nitriding the surface of the first sublayerFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 20, 2006·15 cites·4 claims
- 0380US6529537B2Semiconductor laser device having controlled oxygen concentration at boundary between semiconductor layers and reflectance control layer formed on end facetFUJI PHOTO FILM CO LTD·Filed 2001·Granted Mar 4, 2003·16 cites·10 claims
- 0472US7245804B2Laser device and exposure device using the sameFUJIFILM CORP·Filed 2004·Granted Jul 17, 2007·12 cites·6 claims
- 0571US7339975B2Apparatus for synthesizing laser beamsFUJIFILM CORP·Filed 2004·Granted Mar 4, 2008·10 cites·35 claims
- 0671US6359921B1Semiconductor laser element having resonator surface coated with oxygen gettering layer and high thermal conductivity layerFUJI PHOTO FILM CO LTD·Filed 2000·Granted Mar 19, 2002·10 cites·20 claims
- 0768US7110425B2Laser module and production process thereofFUJI PHOTO FILM CO LTD·Filed 2003·Granted Sep 19, 2006·8 cites·13 claims
- 0867US5061562AMethod for preparing a magnetic recording medium and a magnetic disk using the sameFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 29, 1991·14 cites·20 claims
- 0965US6798805B2Semiconductor laser device containing controlled interface oxygen at both end facetsFUJI PHOTO FILM CO LTD·Filed 2002·Granted Sep 28, 2004·7 cites·8 claims
- 1060US4717592AVertical magnetization type recording medium and manufacturing method thereforFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jan 5, 1988·11 cites·11 claims
- 1155US6888866B2Semiconductor laser device with a current non-injection region near a resonator end face, and fabrication method thereofFUJI PHOTO FILM CO LTD·Filed 2001·Granted May 3, 2005·3 cites·16 claims
- 1255US4869797AMethod for preparing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 26, 1989·15 cites·7 claims
- 1350US7120177B2Laser element, method of producing the laser element, and a laser module employing the laser elementFUJI PHOTO FILM CO LTD·Filed 2004·Granted Oct 10, 2006·2 cites·6 claims
- 1450US7101094B2Laser apparatus having protection member at light-emission end of multimode optical fiberFUJI PHOTO FILM CO LTD·Filed 2003·Granted Sep 5, 2006·2 cites·11 claims
- 1550US5049448AMagnetic recording medium containing an ester lubricant branched from the number 2 carbon position of the acid residueFUJI PHOTO FILM CO LTD·Filed 1989·Granted Sep 17, 1991·7 cites·11 claims
- 1649US2006193360A1Semiconductor laser element having end-facet protection layer which includes unoxidized or unnitrided first sublayer formed on end facet and second sublayer produced by oxidizing or nitriding the surface of the first sublayerFUJI PHOTO FILM CO LTD·Filed 2006·Application pending·0 cites
- 1748US2007147750A1Laser device and exposure device using the sameFUJI PHOTO FILM CO LTD·Filed 2007·Application pending·0 cites
- 1847US7369586B2Laser moduleFUJIFILM CORP·Filed 2004·Granted May 6, 2008·1 cites·14 claims
- 1947US6678303B2Semiconductor laser device in which end of electric-to-optical conversion layer protrudes outward from shortest current path between end facets of cladding layersFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jan 13, 2004·1 cites·13 claims
- 2047US4994305AMethod for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1989·Granted Feb 19, 1991·6 cites·4 claims
- 2147US2005164420A1Semiconductor laser device with a current non-injection region near a resonator end face, and fabrication method thereofFUJI PHOTO FILM CO LTD·Filed 2005·Application pending·0 cites
- 2246US7369581B2Laser module and method of manufacture thereofFUJIFILM CORP·Filed 2004·Granted May 6, 2008·1 cites·20 claims
- 2346US2020408955A1Antireflection film and optical memberFUJIFILM CORP·Filed 2020·Application pending·0 cites
- 2444US4994321APerpendicular magnetic recording medium and the method for preparing the sameFUJI PHOTO FILM CO LTD·Filed 1990·Granted Feb 19, 1991·9 cites·2 claims
- 2543US7301975B2Laser moduleFUJIFILM CORP·Filed 2004·Granted Nov 27, 2007·0 cites·14 claims
- 2640US2004114648A1Laser apparatus in which laser diodes and corresponding collimator lenses are fixed to multiple steps provided in blockFUJI PHOTO FILM CO LTD·Filed 2003·Application pending·0 cites
- 2739US4865878AMethod of manufacturing vertical magnetization type recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Sep 12, 1989·5 cites·16 claims
- 2837US4867101AApparatus for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 19, 1989·3 cites·9 claims
- 2937US4868070AVertical magnetization type recording medium and manufacturing method thereforFUJI PHOTO FILM CO LTD·Filed 1987·Granted Sep 19, 1989·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →