Assignee
HAMAKUBO KATSUSHI
JP·4 granted patents·1 pending application·83 citations·filing 2007–2015
Top patents by PatentIndex Score
5 records- 0197US8178480B2Lubricant for magnetic disk, process for producing the same, and magnetic diskHAMAKUBO KATSUSHI·Filed 2007·Granted May 15, 2012·80 cites·8 claims
- 0283US8697262B2Lubricant for magnetic disc, magnetic disc and method of producing the sameHAMAKUBO KATSUSHI·Filed 2011·Granted Apr 15, 2014·3 cites·8 claims
- 0355US9005782B2Magnetic disk and method of manufacturing the sameHAMAKUBO KATSUSHI·Filed 2009·Granted Apr 14, 2015·0 cites·11 claims
- 0451US9500774B2Plastic lens and production method thereforHAMAKUBO KATSUSHI·Filed 2014·Granted Nov 22, 2016·0 cites·5 claims
- 0537US2017176646A1Spectacle lensHAMAKUBO KATSUSHI·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when HAMAKUBO KATSUSHI files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →