Inventor · disambiguated record
Osamu Kitakami
Also filed as: KITAKAMI OSAMU
18 granted patents·2 pending applications·273 citations·filing 1984–2012
94Inventor score
Top patents by PatentIndex Score
20 records- 0189US4840844AMagnetic recording mediumHITACHI LTD·Filed 1987·Granted Jun 20, 1989·38 cites·18 claims
- 0282US5543221AMagnetic recording mediumHITACHI MAXELL·Filed 1993·Granted Aug 6, 1996·45 cites·12 claims
- 0374US8323808B2Perpendicular magnetic recording mediumKITAKAMI OSAMU·Filed 2005·Granted Dec 4, 2012·3 cites·7 claims
- 0473US4576876AMagnetic recording mediumHITACHI LTD·Filed 1984·Granted Mar 18, 1986·23 cites·16 claims
- 0570US5139884AMagnetic recording medium comprising an aluminum substrate in which pores formed by anodic oxidation contain crystallographicaly discontinuous particles of fe-alloyHITACHI MAXELL·Filed 1989·Granted Aug 18, 1992·16 cites·6 claims
- 0669US6339543B1Writing method for a magnetic immovable memory and a magnetic immovable memoryUNIV TOHOKU·Filed 2000·Granted Jan 15, 2002·20 cites·10 claims
- 0768US5068152AMagnetic recording mediumHITACHI MAXELL·Filed 1988·Granted Nov 26, 1991·25 cites·19 claims
- 0866US8691402B2Perpendicular magnetic recording mediumFUJI ELECTRIC CO LTD·Filed 2012·Granted Apr 8, 2014·1 cites·15 claims
- 0965US5480694AMagnetic recording mediumHITACHI MAXELL·Filed 1990·Granted Jan 2, 1996·26 cites·8 claims
- 1063US4828919AMagnetic recording medium and process for preparing the sameHITACHI MAXELL·Filed 1987·Granted May 9, 1989·12 cites·25 claims
- 1161US6055135AExchange coupling thin film and magnetoresistive element comprising the sameALPS ELECTRIC CO LTD·Filed 1997·Granted Apr 25, 2000·26 cites·14 claims
- 1260US7993762B2Magnetic thin film and method of manufacturing the same, and various application devices using the sameUNIV TOHOKU·Filed 2009·Granted Aug 9, 2011·1 cites·12 claims
- 1360US5496620AMagnetic recording mediumHITACHI MAXELL·Filed 1994·Granted Mar 5, 1996·21 cites·4 claims
- 1450US6623789B2Method for fabricating a magnetic recording mediumUNIV TOHOKU·Filed 2002·Granted Sep 23, 2003·2 cites·38 claims
- 1548US8076012B2Magnetic thin film and method for forming the film, and magnetic thin film-applied deviceSHIMATSU TAKEHITO·Filed 2009·Granted Dec 13, 2011·0 cites·19 claims
- 1641US5059337ASoft magnetic materials comprising 9 to 15 atomic percent carbon atomsHITACHI MAXELL·Filed 1988·Granted Oct 22, 1991·8 cites·9 claims
- 1738US4987039AMagnetic recording mediumHITACHI LTD·Filed 1988·Granted Jan 22, 1991·3 cites·7 claims
- 1836US2011020669A1Magnetic recording mediumSAYAMA JUNICHI·Filed 2010·Application pending·0 cites
- 1929US5068144APerpendicular magnetic recording medium and method for producing the sameHITACHI MAXELL·Filed 1990·Granted Nov 26, 1991·3 cites·21 claims
- 2029US2001050829A1Magnetic recording and reproducing system including a ring head of materials having different saturation flux densitiesFiled 1994·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →