Inventor · disambiguated record
Naohiro Hanaoka
Also filed as: HANAOKA NAOHIRO
13 granted patents·187 citations·filing 1976–1995
92Inventor score
Files withOLYMPUS OPTICAL CO13
Top patents by PatentIndex Score
13 records- 0190US5304884AMolded armatureOLYMPUS OPTICAL CO·Filed 1992·Granted Apr 19, 1994·64 cites·11 claims
- 0278US5460503AMold for forming a coreless armatureOLYMPUS OPTICAL CO·Filed 1994·Granted Oct 24, 1995·35 cites·11 claims
- 0374US4340914AThermomagnetic recording and reproducing apparatusOLYMPUS OPTICAL CO·Filed 1980·Granted Jul 20, 1982·18 cites·8 claims
- 0466US4410583AFerromagnetic recording mediumOLYMPUS OPTICAL CO·Filed 1981·Granted Oct 18, 1983·13 cites·93 claims
- 0562US5628951AMethod of producing a coreless armatureOLYMPUS OPTICAL CO·Filed 1995·Granted May 13, 1997·21 cites·4 claims
- 0660US4118747AComposite magnetic headOLYMPUS OPTICAL CO·Filed 1977·Granted Oct 3, 1978·10 cites·4 claims
- 0753US4012783AMagnetic headOLYMPUS OPTICAL CO·Filed 1976·Granted Mar 15, 1977·7 cites·4 claims
- 0842US4555444AMagnetic recording medium and method for manufacturing the sameOLYMPUS OPTICAL CO·Filed 1983·Granted Nov 26, 1985·4 cites·23 claims
- 0940US4369477AMagnetic head and method of manufacturing the sameOLYMPUS OPTICAL CO·Filed 1980·Granted Jan 18, 1983·4 cites·13 claims
- 1039US4141052AErase headOLYMPUS OPTICAL CO·Filed 1977·Granted Feb 20, 1979·3 cites·1 claims
- 1138US4186364AMethod of magnetizing erasing headOLYMPUS OPTICAL CO·Filed 1978·Granted Jan 29, 1980·5 cites·4 claims
- 1237US4363052AThermomagnetic recording deviceOLYMPUS OPTICAL CO·Filed 1980·Granted Dec 7, 1982·3 cites·8 claims
- 1329US4363058AMagnetic recording deviceOLYMPUS OPTICAL CO·Filed 1980·Granted Dec 7, 1982·0 cites·9 claims
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