Inventor · disambiguated record
Kiichi Ueyanagi
Also filed as: UEYANAGI KIICHI
42 granted patents·2 pending applications·1,002 citations·filing 1974–2009
98Inventor score
Top patents by PatentIndex Score
44 records- 0195US5425041AMultiquantum barrier laser having high electron and hole reflectivity of layersFUJI XEROX CO LTD·Filed 1994·Granted Jun 13, 1995·102 cites·27 claims
- 0294US6396776B1Recording/reproducing head, recording/reproducing disk drive, and method for fabricating magnetic sensorFUJI XEROX CO LTD·Filed 2000·Granted May 28, 2002·48 cites·24 claims
- 0394US6320708B1Optical head, disk apparatus, method for manufacturing optical head, and optical elementFUJI XEROX CO LTD·Filed 2000·Granted Nov 20, 2001·40 cites·9 claims
- 0492US7544922B2Near-field light-emitting element and optical headFUJI XEROX CO LTD·Filed 2005·Granted Jun 9, 2009·13 cites·19 claims
- 0592US6771589B2Flying recording head having semiconductor laser formed by growing semiconductor crystal, and method of manufacturing sameFUJI XEROX CO LTD·Filed 2001·Granted Aug 3, 2004·34 cites·26 claims
- 0692US6154326AOptical head, disk apparatus, method for manufacturing optical head, and optical elementFUJI XEROX CO LTD·Filed 1999·Granted Nov 28, 2000·63 cites·66 claims
- 0792US5295122AFlying head of a magneto-optical recording apparatusFUJI XEROX CO LTD·Filed 1992·Granted Mar 15, 1994·60 cites·6 claims
- 0891US6614742B2Optical head, magneto-optical head, disk apparatus and manufacturing method of optical headFUJI XEROX CO LTD·Filed 2000·Granted Sep 2, 2003·31 cites·23 claims
- 0989US6275453B1Optical head and optical disk apparatusFUJI XEROX CO LTD·Filed 1998·Granted Aug 14, 2001·53 cites·33 claims
- 1089US4392219AMethod and device for recording and reproducing tracking informationHITACHI LTD·Filed 1981·Granted Jul 5, 1983·33 cites·10 claims
- 1188US7099096B2Heat-assisted magnetic recording head and heat-assisted magnetic recording apparatusFUJI XEROX CO LTD·Filed 2004·Granted Aug 29, 2006·24 cites·22 claims
- 1285US5960379AMethod of and apparatus for measuring shapeFUJI XEROX CO LTD·Filed 1997·Granted Sep 28, 1999·59 cites·12 claims
- 1385US5144616ALaser diode and multibeam optical head using the laser diodeFUJI XEROX CO LTD·Filed 1990·Granted Sep 1, 1992·38 cites·13 claims
- 1483US6704250B1Near-field magneto-optical head having a magnetic sensorFUJI XEROX CO LTD·Filed 2000·Granted Mar 9, 2004·17 cites·23 claims
- 1581US5220547AMethod and device for controlling optical head moving speedFUJI XEROX CO LTD·Filed 1991·Granted Jun 15, 1993·32 cites·16 claims
- 1681US4546540ASelf-aligned manufacture of FETHITACHI LTD·Filed 1983·Granted Oct 15, 1985·47 cites·27 claims
- 1780US6876604B2Optically assisted magnetic recording device, optically assisted magnetic recording head and magnetic disk deviceFUJI XEROX CO LTD·Filed 2001·Granted Apr 5, 2005·11 cites·23 claims
- 1880US6700856B2Optical head, magneto-optical head, disk apparatus and manufacturing method of optical headFUJI XEROX CO LTD·Filed 2000·Granted Mar 2, 2004·14 cites·21 claims
- 1979US7663981B2Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk deviceFUJI XEROX CO LTD·Filed 2008·Granted Feb 16, 2010·3 cites·13 claims
- 2078US7492673B2Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk deviceFUJI XEROX CO LTD·Filed 2005·Granted Feb 17, 2009·3 cites·20 claims
- 2178US6992968B2Optical head and disk unitFUJI XEROX CO LTD·Filed 2002·Granted Jan 31, 2006·12 cites·43 claims
- 2277US6359852B1Optical head and optical disk apparatusFUJI XEROX CO LTD·Filed 1999·Granted Mar 19, 2002·28 cites·39 claims
- 2376US6940801B1Optical recording medium, optical recording and reproducing method and apparatusFUJI XEROX CO LTD·Filed 1998·Granted Sep 6, 2005·27 cites·57 claims
- 2473US5247503AOptical recording and reproducing apparatus with separated high and low frequency servo signalsFUJI XEROX CO LTD·Filed 1992·Granted Sep 21, 1993·21 cites·6 claims
- 2571US6687196B1Method and apparatus for implementing high density recording on a recording medium and a method of manufacturing sameFUJI XEROX CO LT D·Filed 1999·Granted Feb 3, 2004·25 cites·83 claims
- 2670US6597715B2Semiconductor laser, optical head, optical disk apparatus and semiconductor laser manufacturing methodFUJI XEROX CO LTD·Filed 2001·Granted Jul 22, 2003·7 cites·21 claims
- 2766US7924659B2Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk deviceFUJI XEROX CO LTD·Filed 2008·Granted Apr 12, 2011·0 cites·15 claims
- 2866US7894309B2Optically assisted magnetic recording device with semiconductor laser, optically assisted magnetic recording head and magnetic disk deviceFUJI XEROX CO LTD·Filed 2008·Granted Feb 22, 2011·0 cites·5 claims
- 2965US5514440AOptical recording medium and optical recording method using the sameFUJI XEROX CO LTD·Filed 1992·Granted May 7, 1996·16 cites·13 claims
- 3065US4016829AApparatus for crystal growthHITACHI LTD·Filed 1974·Granted Apr 12, 1977·10 cites·12 claims
- 3163US4683487AHeterojunction bipolar transistorHITACHI LTD·Filed 1985·Granted Jul 28, 1987·20 cites·19 claims
- 3263US2009252002A1Near-field light-emitting element and optical headFUJI XEROX CO LTD·Filed 2009·Application pending·0 cites
- 3362US5341358AOptical recording medium and optical recording method using the sameFUJI XEROX CO LTD·Filed 1991·Granted Aug 23, 1994·13 cites·5 claims
- 3462US5124770AField effect transistor with alpha particle protectionHITACHI LTD·Filed 1990·Granted Jun 23, 1992·23 cites·29 claims
- 3559US6920091B2Optical reproduction apparatus and optical recording and reproduction apparatusFUJI XEROX CO LTD·Filed 2001·Granted Jul 19, 2005·3 cites·16 claims
- 3655US6943988B2Magnetic head having a magnetic recording element including a pair of connected yoke films and magnetic pole film to form a magnetic gapFUJI XEROX CO LTD·Filed 2003·Granted Sep 13, 2005·2 cites·5 claims
- 3753US4503599AMethod of fabricating field effect transistorsHITACHI LTD·Filed 1983·Granted Mar 12, 1985·17 cites·18 claims
- 3852US4561169AMethod of manufacturing semiconductor device utilizing multilayer maskHITACHI LTD·Filed 1983·Granted Dec 31, 1985·17 cites·36 claims
- 3948US5132752AField effect transistorHITACHI LTD·Filed 1991·Granted Jul 21, 1992·13 cites·36 claims
- 4047US5268254AOptical recording mediumFUJI XEROX CO LTD·Filed 1993·Granted Dec 7, 1993·6 cites·12 claims
- 4147US5253265ASemiconductor laser deviceFUJI XEROX CO LTD·Filed 1992·Granted Oct 12, 1993·11 cites·8 claims
- 4243US2005041980A1Wireless optical systemFUJI XEROX CO LTD·Filed 2004·Application pending·0 cites
- 4334US5491709ASemiconductor laser deviceFUJI XEROX CO LTD·Filed 1993·Granted Feb 13, 1996·3 cites·18 claims
- 4434US4672406ASemiconductor member and semiconductor device employing the sameHITACHI LTD·Filed 1984·Granted Jun 9, 1987·3 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Kiichi Ueyanagi 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 →