Inventor · disambiguated record
Hiroyuki Kumasawa
Also filed as: KUMASAWA HIROYUKI
9 granted patents·6 pending applications·91 citations·filing 2006–2014
88Inventor score
Top patents by PatentIndex Score
15 records- 0189US8462502B2Structural fabric of a storage apparatus for mounting storage devicesHIRANO KAZUYA·Filed 2010·Granted Jun 11, 2013·27 cites·15 claims
- 0287US8612644B2Storage apparatus and a data management method employing the storage apparatusKUMASAWA HIROYUKI·Filed 2011·Granted Dec 17, 2013·11 cites·12 claims
- 0385US7730235B2Storage apparatus for controlling power saving modes of multiple disk devices of different specificationsHITACHI LTD·Filed 2006·Granted Jun 1, 2010·13 cites·19 claims
- 0483US7917551B2Storage system and management method thereofHITACHI LTD·Filed 2008·Granted Mar 29, 2011·17 cites·8 claims
- 0582US8131892B2Storage apparatus and a data management method employing the storage apparatusKUMASAWA HIROYUKI·Filed 2010·Granted Mar 6, 2012·7 cites·12 claims
- 0680US8656099B2Storage apparatus and storage control method for the sameSAITO KENICHI·Filed 2010·Granted Feb 18, 2014·7 cites·11 claims
- 0774US7558916B2Storage system, data processing method and storage apparatusHITACHI LTD·Filed 2006·Granted Jul 7, 2009·7 cites·22 claims
- 0857US8508691B2Optical path unit and liquid crystal display deviceMIYAMOTO TOMONORI·Filed 2009·Granted Aug 13, 2013·2 cites·10 claims
- 0951US2009276568A1Storage system, data processing method and storage apparatusHITACHI LTD·Filed 2009·Application pending·0 cites
- 1048US2011188265A1Illumination deviceSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1147US2016259571A1Storage subsystemHITACHI LTD·Filed 2014·Application pending·0 cites
- 1246US7609336B2Liquid crystal display deviceSUMITOMO CHEMICAL CO·Filed 2007·Granted Oct 27, 2009·0 cites·2 claims
- 1341US2009128739A1Light diffuser plate with light-collecting layerSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1440US2009066892A1Light diffuser plate with light-collecting layer, surface light source device and liquid crystal display deviceSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1540US2009129059A1Light collecting sheet-laminated light diffuser plateSUMITOMO CHEMICAL CO·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Kumasawa 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 →