Inventor · disambiguated record
Sadao Tsuruga
Also filed as: TSURUGA SADAO
42 granted patents·35 pending applications·306 citations·filing 1993–2025
97Inventor score
Top patents by PatentIndex Score
77 records- 0197US11363326B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2021·Granted Jun 14, 2022·4 cites·3 claims
- 0296US11831945B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2022·Granted Nov 28, 2023·2 cites·5 claims
- 0396US10200743B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2017·Granted Feb 5, 2019·9 cites·8 claims
- 0496US9749675B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodHITACHI MAXELL·Filed 2016·Granted Aug 29, 2017·9 cites·5 claims
- 0594US12284326B2Reception device, display control method, transmission device, and transmission method for program content typeMAXELL LTD·Filed 2024·Granted Apr 22, 2025·1 cites·6 claims
- 0694US9118896B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodTSURUGA SADAO·Filed 2011·Granted Aug 25, 2015·15 cites·18 claims
- 0793US10516912B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2018·Granted Dec 24, 2019·5 cites·7 claims
- 0892US9420272B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodHITACHI MAXELL·Filed 2015·Granted Aug 16, 2016·5 cites·5 claims
- 0991US10972783B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2019·Granted Apr 6, 2021·3 cites·3 claims
- 1090US12163806B2Information processing apparatusMAXELL LTD·Filed 2023·Granted Dec 10, 2024·1 cites·20 claims
- 1187US9094668B2Digital content receiving apparatus, digital content receiving method and digital content receiving/transmitting methodHITACHI CONSUMER ELECTRONICS·Filed 2013·Granted Jul 28, 2015·6 cites·12 claims
- 1287US7471874B2Reproducing apparatus and methodHITACHI LTD·Filed 2005·Granted Dec 30, 2008·10 cites·18 claims
- 1387US5546048AAmplifier and display apparatus employing the sameHITACHI LTD·Filed 1993·Granted Aug 13, 1996·41 cites·32 claims
- 1487US2025097510A1Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2024·Application pending·0 cites
- 1586US11733039B2Information processing apparatusMAXELL LTD·Filed 2018·Granted Aug 22, 2023·3 cites·14 claims
- 1685US5526058AVideo signal adjusting apparatus, display using the apparatus, and method of adjusting the displayHITACHI LTD·Filed 1994·Granted Jun 11, 1996·70 cites·42 claims
- 1783US12192564B2Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving methodMAXELL LTD·Filed 2023·Granted Jan 7, 2025·0 cites·12 claims
- 1882US7693398B2Digital information reproducing apparatus and methodHITACHI LTD·Filed 2005·Granted Apr 6, 2010·5 cites·17 claims
- 1981US12372789B2Display terminal, application control system and application control methodMAXELL LTD·Filed 2019·Granted Jul 29, 2025·2 cites·22 claims
- 2081US5978041AImage display systemHITACHI LTD·Filed 1995·Granted Nov 2, 1999·79 cites·36 claims
- 2180US2025328020A1Display terminal, application control system and application control methodMAXELL LTD·Filed 2025·Application pending·0 cites
- 2280US2025220148A1Reception device, display control method, transmission device, and transmission method for program content typeMAXELL LTD·Filed 2025·Application pending·0 cites
- 2379US11985291B2Reception device, display control method, transmission device, and transmission method for program content typeMAXELL LTD·Filed 2023·Granted May 14, 2024·0 cites·6 claims
- 2479US2025285557A1Road guidance system and mobile information terminal used in sameMAXELL LTD·Filed 2025·Application pending·0 cites
- 2577US12039223B2Head-mountable information processing apparatusMAXELL LTD·Filed 2019·Granted Jul 16, 2024·2 cites·15 claims
- 2677US7865064B2Recording/output apparatus and recording/output methodHITACHI LTD·Filed 2006·Granted Jan 4, 2011·3 cites·12 claims
- 2777US2024184403A1Personal digital assistantMAXELL LTD·Filed 2024·Application pending·0 cites
- 2877US2024310638A1Head-mount display and head-mount display systemMAXELL LTD·Filed 2024·Application pending·0 cites
- 2976US11659152B2Reception device, display control method, transmission device, and transmission method for program content typeMAXELL LTD·Filed 2022·Granted May 23, 2023·0 cites·5 claims
- 3073US11947757B2Personal digital assistantMAXELL LTD·Filed 2022·Granted Apr 2, 2024·0 cites·12 claims
- 3173US2025076041A1Information processing apparatusMAXELL LTD·Filed 2024·Application pending·0 cites
- 3273US2024329920A1Head-mountable information processing apparatusMAXELL LTD·Filed 2024·Application pending·0 cites
- 3371US12347334B2Road guidance system and mobile information terminal used in sameMAXELL LTD·Filed 2019·Granted Jul 1, 2025·0 cites·9 claims
- 3470US11438567B2Reception device, display control method, transmission device, and transmission method for program content typeMAXELL LTD·Filed 2020·Granted Sep 6, 2022·0 cites·5 claims
- 3569US7486334B2Image display systemHITACHI LTD·Filed 2004·Granted Feb 3, 2009·8 cites·7 claims
- 3668US2025182768A1Information processing device and digital assistant systemMAXELL LTD·Filed 2025·Application pending·0 cites
- 3766US7765578B2Digital broadcast receiving device and methodHITACHI LTD·Filed 2005·Granted Jul 27, 2010·2 cites·8 claims
- 3861US11301087B2Personal digital assistantMAXELL LTD·Filed 2018·Granted Apr 12, 2022·0 cites·5 claims
- 3960US6791623B1Image display systemHITACHI LTD·Filed 1999·Granted Sep 14, 2004·21 cites·56 claims
- 4059US7876653B2Recording and reproducing apparatus and receiving apparatusHITACHI LTD·Filed 2009·Granted Jan 25, 2011·0 cites·7 claims
- 4159US2017048509A1Reception device, display control method, transmission device, and transmission method for program content typeHITACHI MAXELL·Filed 2016·Application pending·0 cites
- 4258US12032164B2Head-mount display and head-mount display system that display virtual space information on a displayMAXELL LTD·Filed 2018·Granted Jul 9, 2024·0 cites·12 claims
- 4358US8484754B2Output control methodTSURUGA SADAO·Filed 2009·Granted Jul 9, 2013·0 cites·11 claims
- 4457US2009087166A1Reproducing apparatus and methodHITACHI LTD·Filed 2008·Application pending·0 cites
- 4556US10917624B2Reception device, display control method, transmission device, and transmission method for program content typeOTSUKA SATOSHI·Filed 2011·Granted Feb 9, 2021·0 cites·20 claims
- 4656US8918909B2Output control methodHITACHI CONSUMER ELECTRONICS·Filed 2013·Granted Dec 23, 2014·0 cites·4 claims
- 4754US12249338B2Information processing device and digital assistant systemMAXELL LTD·Filed 2019·Granted Mar 11, 2025·0 cites·20 claims
- 4853US8346054B2Recording device, recording method and reproducing deviceHITACHI LTD·Filed 2007·Granted Jan 1, 2013·0 cites·16 claims
- 4953US2009190753A1Recording apparatus and recording methodHITACHI LTD·Filed 2008·Application pending·0 cites
- 5052US11810567B2Speech recognition device, speech-recognition-device coordination system, and speech-recognition-device coordination methodMAXELL LTD·Filed 2018·Granted Nov 7, 2023·0 cites·13 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →