Inventor · disambiguated record
Hirotaka Hokkyo
Also filed as: HOKKYO HIROTAKA
8 granted patents·1 pending application·427 citations·filing 1998–2016
89Inventor score
Top patents by PatentIndex Score
9 records- 0195US7090934B2Perpendicular magnetic recording mediumHOYA CORP·Filed 2002·Granted Aug 15, 2006·69 cites·8 claims
- 0293US6426157B1Perpendicular magnetic recording mediumNEC CORP·Filed 1999·Granted Jul 30, 2002·83 cites·6 claims
- 0393US6387483B1Perpendicular magnetic recording medium and manufacturing process thereforNEC CORP·Filed 1998·Granted May 14, 2002·89 cites·80 claims
- 0486US6270885B1Perpendicular magnetic recording mediumNEC CORP·Filed 1998·Granted Aug 7, 2001·96 cites·17 claims
- 0584US6204995B1Magnetic disc apparatusNEC CORP·Filed 1999·Granted Mar 20, 2001·83 cites·17 claims
- 0655US7212743B2Optical switch device, and optical reception device and optical switch network in which the optical switch device is appliedNEC CORP·Filed 2002·Granted May 1, 2007·5 cites·14 claims
- 0752US6462916B1Magnetic disc apparatusNEC CORP·Filed 2000·Granted Oct 8, 2002·2 cites·28 claims
- 0849US2018285995A1Information processing device, information processing method, and program-recording mediumNEC PATENT SERVICE LTD·Filed 2016·Application pending·0 cites
- 0937US6638647B2Vertical recording medium with thin soft magnetic filmNEC CORP·Filed 2000·Granted Oct 28, 2003·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →