Inventor
TSURUGA SADAO
JP43 patents
⚠️ This page may combine multiple inventors who share the name “TSURUGA SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAXELL LTD
22 patentsUS10200743B2Feb 5, 2019
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
MAXELL LTD9 citations93
US11363326B2Jun 14, 2022
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
MAXELL LTD4 citations84
US10972783B2Apr 6, 2021
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
MAXELL LTD3 citations84
US10516912B2Dec 24, 2019
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
MAXELL LTD5 citations84
US12372789B2Jul 29, 2025
Display terminal, application control system and application control method
MAXELL LTD2 citations75
US12284326B2Apr 22, 2025
Reception device, display control method, transmission device, and transmission method for program content type
MAXELL LTD1 citations75
US12039223B2Jul 16, 2024
Head-mountable information processing apparatus
MAXELL LTD2 citations73
US11831945B2Nov 28, 2023
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
MAXELL LTD2 citations73
US11733039B2Aug 22, 2023
Information processing apparatus
MAXELL LTD3 citations73
US12531066B2Jan 20, 2026
Speech recognition device, speech-recognition-device coordination system, and speech-recognition-device coordination method
MAXELL LTD0 citations63
US12192564B2Jan 7, 2025
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
MAXELL LTD0 citations63
US11985291B2May 14, 2024
Reception device, display control method, transmission device, and transmission method for program content type
MAXELL LTD0 citations63
US11947757B2Apr 2, 2024
Personal digital assistant
MAXELL LTD0 citations63
US11810567B2Nov 7, 2023
Speech recognition device, speech-recognition-device coordination system, and speech-recognition-device coordination method
MAXELL LTD0 citations63
US11659152B2May 23, 2023
Reception device, display control method, transmission device, and transmission method for program content type
MAXELL LTD0 citations63
US11438567B2Sep 6, 2022
Reception device, display control method, transmission device, and transmission method for program content type
MAXELL LTD0 citations63
US11301087B2Apr 12, 2022
Personal digital assistant
MAXELL LTD0 citations63
US12163806B2Dec 10, 2024
Information processing apparatus
MAXELL LTD1 citations62
US12347334B2Jul 1, 2025
Road guidance system and mobile information terminal used in same
MAXELL LTD0 citations52
US12306917B2May 20, 2025
Information processing apparatus, user authentication network system, and user authentication method
MAXELL LTD0 citations52
US12249338B2Mar 11, 2025
Information processing device and digital assistant system
MAXELL LTD0 citations52
US12032164B2Jul 9, 2024
Head-mount display and head-mount display system that display virtual space information on a display
MAXELL LTD0 citations52
HITACHI LTD
12 patentsUS5526058AJun 11, 1996
Video signal adjusting apparatus, display using the apparatus, and method of adjusting the display
HITACHI LTD70 citations96
US5978041ANov 2, 1999
Image display system
HITACHI LTD79 citations95
US5546048AAug 13, 1996
Amplifier and display apparatus employing the same
HITACHI LTD41 citations93
US6791623B1Sep 14, 2004
Image display system
HITACHI LTD21 citations91
US7471874B2Dec 30, 2008
Reproducing apparatus and method
HITACHI LTD10 citations84
US7486334B2Feb 3, 2009
Image display system
HITACHI LTD8 citations83
US7865064B2Jan 4, 2011
Recording/output apparatus and recording/output method
HITACHI LTD3 citations63
US7765578B2Jul 27, 2010
Digital broadcast receiving device and method
HITACHI LTD2 citations62
US7693398B2Apr 6, 2010
Digital information reproducing apparatus and method
HITACHI LTD5 citations62
US8346054B2Jan 1, 2013
Recording device, recording method and reproducing device
HITACHI LTD0 citations52
US7876653B2Jan 25, 2011
Recording and reproducing apparatus and receiving apparatus
HITACHI LTD0 citations52
US7529164B2May 5, 2009
Recording and reproducing apparatus and receiving apparatus
HITACHI LTD0 citations52
TSURUGA SADAO
3 patentsUS9118896B2Aug 25, 2015
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
TSURUGA SADAO15 citations91
US8484754B2Jul 9, 2013
Output control method
TSURUGA SADAO0 citations51
US8532291B2Sep 10, 2013
Copy control method
TSURUGA SADAO0 citations40
HITACHI MAXELL
2 patentsUS9749675B2Aug 29, 2017
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
HITACHI MAXELL9 citations93
US9420272B2Aug 16, 2016
Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method
HITACHI MAXELL5 citations84