Inventor · disambiguated record
Yujin Tsukada
Also filed as: TSUKADA YUJIN
10 granted patents·7 pending applications·745 citations·filing 2001–2021
91Inventor score
Top patents by PatentIndex Score
17 records- 0198US7245293B2Display unit with touch panel and information processing methodHITACHI LTD·Filed 2005·Granted Jul 17, 2007·169 cites·3 claims
- 0296US7002556B2Touch responsive display unit and methodHITACHI LTD·Filed 2002·Granted Feb 21, 2006·176 cites·7 claims
- 0395US6940494B2Display unit with touch panel and information processing methodHITACHI LTD·Filed 2002·Granted Sep 6, 2005·136 cites·11 claims
- 0492US7312791B2Display unit with touch panelHITACHI LTD·Filed 2003·Granted Dec 25, 2007·223 cites·7 claims
- 0590US8334933B2Television operation methodTSUKADA YUJIN·Filed 2010·Granted Dec 18, 2012·17 cites·8 claims
- 0682US8667426B2Input apparatusMATSUBARA TAKASHI·Filed 2012·Granted Mar 4, 2014·4 cites·6 claims
- 0782US8416309B2Camera-fitted information retrieval deviceYOSHIMARU TAKASHI·Filed 2008·Granted Apr 9, 2013·9 cites·8 claims
- 0875US8003907B2Operation device and elevator apparatus with operation deviceHITACHI LTD·Filed 2009·Granted Aug 23, 2011·11 cites·11 claims
- 0958US2010079677A1Input ApparatusHITACHI LTD·Filed 2009·Application pending·0 cites
- 1054US11798108B2Transportation service planning system and transportation service planning methodHITACHI LTD·Filed 2021·Granted Oct 24, 2023·0 cites·13 claims
- 1148US10522122B2Music box apparatusTSUKADA YUJIN·Filed 2016·Granted Dec 31, 2019·0 cites·5 claims
- 1246US2007229706A1Information reading apparatusWATANABE JUNICHIRO·Filed 2007·Application pending·0 cites
- 1345US2006239640A1Contents information displaying device and methodWATANABE JUNICHIRO·Filed 2006·Application pending·0 cites
- 1442US2007150828A1Content search methodTSUKADA YUJIN·Filed 2006·Application pending·0 cites
- 1542US2004104894A1Information processing apparatusFiled 2003·Application pending·0 cites
- 1640US2006114225A1Cursor function switching methodTSUKADA YUJIN·Filed 2005·Application pending·0 cites
- 1739US2001007980A1Electronic book system and its contents display methodFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →