Sadao Tsuruga

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reception device, display control method, transmission device, and...
- Patent number 12,284,326
- Issue date Apr 22, 2025
- MAXELL, LTD.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing device and digital assistant system
- Patent number 12,249,338
- Issue date Mar 11, 2025
- MAXELL, LTD.
- Yasunobu Hashimoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 12,192,564
- Issue date Jan 7, 2025
- MAXELL, LTD.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing apparatus
- Patent number 12,163,806
- Issue date Dec 10, 2024
- MAXELL, LTD.
- Naohisa Takamizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Head-mountable information processing apparatus
- Patent number 12,039,223
- Issue date Jul 16, 2024
- MAXELL, LTD.
- Sadao Tsuruga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Head-mount display and head-mount display system that display virtu...
- Patent number 12,032,164
- Issue date Jul 9, 2024
- MAXELL, LTD.
- Sadao Tsuruga
- G02 - OPTICS
Information Patent Grant
Reception device, display control method, transmission device, and...
- Patent number 11,985,291
- Issue date May 14, 2024
- MAXELL, LTD.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal digital assistant
- Patent number 11,947,757
- Issue date Apr 2, 2024
- MAXELL, LTD.
- Kazuhiko Yoshizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 11,831,945
- Issue date Nov 28, 2023
- MAXELL, LTD.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech recognition device, speech-recognition-device coordination s...
- Patent number 11,810,567
- Issue date Nov 7, 2023
- MAXELL, LTD.
- Yasunobu Hashimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing apparatus
- Patent number 11,733,039
- Issue date Aug 22, 2023
- MAXELL, LTD.
- Naohisa Takamizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Reception device, display control method, transmission device, and...
- Patent number 11,659,152
- Issue date May 23, 2023
- MAXELL, LTD.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reception device, display control method, transmission device, and...
- Patent number 11,438,567
- Issue date Sep 6, 2022
- MAXELL, LTD.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 11,363,326
- Issue date Jun 14, 2022
- MAXELL, LTD.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal digital assistant
- Patent number 11,301,087
- Issue date Apr 12, 2022
- MAXELL, LTD.
- Kazuhiko Yoshizawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 10,972,783
- Issue date Apr 6, 2021
- MAXELL, LTD.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reception device, display control method, transmission device, and...
- Patent number 10,917,624
- Issue date Feb 9, 2021
- MAXELL, LTD.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 10,516,912
- Issue date Dec 24, 2019
- MAXELL, LTD.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 10,200,743
- Issue date Feb 5, 2019
- MAXELL, LTD.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 9,749,675
- Issue date Aug 29, 2017
- Hitachi Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 9,420,272
- Issue date Aug 16, 2016
- Hitachi Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital contents receiver, digital contents receiving method and di...
- Patent number 9,118,896
- Issue date Aug 25, 2015
- Hitachi Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital content receiving apparatus, digital content receiving meth...
- Patent number 9,094,668
- Issue date Jul 28, 2015
- Hitachi Maxell, Ltd.
- Takashi Kanemaru
- G11 - INFORMATION STORAGE
Information Patent Grant
Output control method
- Patent number 8,918,909
- Issue date Dec 23, 2014
- Hitachi Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Copy control method
- Patent number 8,532,291
- Issue date Sep 10, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Sadao Tsuruga
- G11 - INFORMATION STORAGE
Information Patent Grant
Output control method
- Patent number 8,484,754
- Issue date Jul 9, 2013
- Hitachi Consumer Electronics Co., Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording device, recording method and reproducing device
- Patent number 8,346,054
- Issue date Jan 1, 2013
- Hitachi, Ltd.
- Sadao Tsuruga
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording apparatus, image reproducing apparatus, and special repro...
- Patent number 8,254,764
- Issue date Aug 28, 2012
- Hitachi, Ltd.
- Takashi Kanemaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording and reproducing apparatus and receiving apparatus
- Patent number 7,876,653
- Issue date Jan 25, 2011
- Hitachi, Ltd.
- Takashi Kanemaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording/output apparatus and recording/output method
- Patent number 7,865,064
- Issue date Jan 4, 2011
- Hitachi, Ltd.
- Sadao Tsuruga
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20250097510
- Publication date Mar 20, 2025
- Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WEARABLE DEVICE AND BEHAVIOR EVALUATION SYSTEM
- Publication number 20250087021
- Publication date Mar 13, 2025
- Maxell, Ltd.
- Mayumi NAKADE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20250076041
- Publication date Mar 6, 2025
- Maxell, Ltd.
- Naohisa TAKAMIZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO AUGMENTED REALITY OBJECT PLAYBACK DEVICE AND AUDIO AUGMENTED...
- Publication number 20240430636
- Publication date Dec 26, 2024
- Maxell, Ltd.
- Sadao TSURUGA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HEAD-MOUNTABLE INFORMATION PROCESSING APPARATUS
- Publication number 20240329920
- Publication date Oct 3, 2024
- Maxell, Ltd.
- Sadao TSURUGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEAD-MOUNT DISPLAY AND HEAD-MOUNT DISPLAY SYSTEM
- Publication number 20240310638
- Publication date Sep 19, 2024
- Maxell, Ltd.
- Sadao TSURUGA
- G02 - OPTICS
Information Patent Application
RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...
- Publication number 20240259541
- Publication date Aug 1, 2024
- Maxell, Ltd.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PERSONAL DIGITAL ASSISTANT
- Publication number 20240184403
- Publication date Jun 6, 2024
- Maxell, Ltd.
- Kazuhiko YOSHIZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20240048794
- Publication date Feb 8, 2024
- Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEECH RECOGNITION DEVICE, SPEECH-RECOGNITION-DEVICE COORDINATION S...
- Publication number 20240029738
- Publication date Jan 25, 2024
- Maxell, Ltd.
- Yasunobu HASHIMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20230332888
- Publication date Oct 19, 2023
- Maxell, Ltd.
- Naohisa TAKAMIZAWA
- G01 - MEASURING TESTING
Information Patent Application
RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...
- Publication number 20230283754
- Publication date Sep 7, 2023
- Maxell, Ltd.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...
- Publication number 20220368880
- Publication date Nov 17, 2022
- Maxell, Ltd.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20220272404
- Publication date Aug 25, 2022
- Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PERSONAL DIGITAL ASSISTANT
- Publication number 20220236854
- Publication date Jul 28, 2022
- Maxell, Ltd.
- Kazuhiko YOSHIZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ROAD GUIDANCE SYSTEM AND MOBILE INFORMATION TERMINAL USED IN SAME
- Publication number 20220230560
- Publication date Jul 21, 2022
- Sadao TSURUGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE AND DIGITAL ASSISTANT SYSTEM
- Publication number 20220208199
- Publication date Jun 30, 2022
- Maxell, Ltd.
- Yasunobu HASHIMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HEAD-MOUNTABLE INFORMATION PROCESSING APPARATUS
- Publication number 20220066733
- Publication date Mar 3, 2022
- Maxell, Ltd.
- Sadao TSURUGA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DISPLAY TERMINAL, APPLICATION CONTROL SYSTEM AND APPLICATION CONTRO...
- Publication number 20220057636
- Publication date Feb 24, 2022
- Maxell, Ltd.
- Yasunobu HASHIMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HEAD-MOUNT DISPLAY AND HEAD-MOUNT DISPLAY SYSTEM
- Publication number 20210389587
- Publication date Dec 16, 2021
- Maxell, Ltd.
- Sadao TSURUGA
- G02 - OPTICS
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20210344838
- Publication date Nov 4, 2021
- Maxell, Ltd.
- Naohisa TAKAMIZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, USER AUTHENTICATION NETWORK SYSTE...
- Publication number 20210256104
- Publication date Aug 19, 2021
- Maxell, Ltd.
- Sadao TSURUGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20210211761
- Publication date Jul 8, 2021
- Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEPTION DEVICE, DIS PLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...
- Publication number 20210120220
- Publication date Apr 22, 2021
- Maxell, Ltd.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEECH RECOGNITION DEVICE, SPEECH-RECOGNITION-DEVICE COORDINATION S...
- Publication number 20210104242
- Publication date Apr 8, 2021
- Maxell, Ltd.
- Yasunobu HASHIMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PERSONAL DIGITAL ASSISTANT
- Publication number 20210011605
- Publication date Jan 14, 2021
- Maxell, Ltd.
- Kazuhiko YOSHIZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20200084499
- Publication date Mar 12, 2020
- Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20190124389
- Publication date Apr 25, 2019
- Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...
- Publication number 20170324989
- Publication date Nov 9, 2017
- Hitachi Maxell, Ltd.
- Sadao Tsuruga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...
- Publication number 20170048509
- Publication date Feb 16, 2017
- Hitachi Maxell, Ltd.
- Satoshi Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Sadao Tsuruga

Person

Patents Grantslast 30 patents

Reception device, display control method, transmission device, and...

Information processing device and digital assistant system

Digital contents receiver, digital contents receiving method and di...

Information processing apparatus

Head-mountable information processing apparatus

Head-mount display and head-mount display system that display virtu...

Reception device, display control method, transmission device, and...

Personal digital assistant

Digital contents receiver, digital contents receiving method and di...

Speech recognition device, speech-recognition-device coordination s...

Information processing apparatus

Reception device, display control method, transmission device, and...

Reception device, display control method, transmission device, and...

Digital contents receiver, digital contents receiving method and di...

Personal digital assistant

Digital contents receiver, digital contents receiving method and di...

Reception device, display control method, transmission device, and...

Digital contents receiver, digital contents receiving method and di...

Digital contents receiver, digital contents receiving method and di...

Digital contents receiver, digital contents receiving method and di...

Digital contents receiver, digital contents receiving method and di...

Digital contents receiver, digital contents receiving method and di...

Digital content receiving apparatus, digital content receiving meth...

Output control method

Copy control method

Output control method

Recording device, recording method and reproducing device

Recording apparatus, image reproducing apparatus, and special repro...

Recording and reproducing apparatus and receiving apparatus

Recording/output apparatus and recording/output method

Patents Applicationslast 30 patents

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

WEARABLE DEVICE AND BEHAVIOR EVALUATION SYSTEM

INFORMATION PROCESSING APPARATUS

AUDIO AUGMENTED REALITY OBJECT PLAYBACK DEVICE AND AUDIO AUGMENTED...

HEAD-MOUNTABLE INFORMATION PROCESSING APPARATUS

HEAD-MOUNT DISPLAY AND HEAD-MOUNT DISPLAY SYSTEM

RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...

PERSONAL DIGITAL ASSISTANT

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

SPEECH RECOGNITION DEVICE, SPEECH-RECOGNITION-DEVICE COORDINATION S...

INFORMATION PROCESSING APPARATUS

RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...

RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

PERSONAL DIGITAL ASSISTANT

ROAD GUIDANCE SYSTEM AND MOBILE INFORMATION TERMINAL USED IN SAME

INFORMATION PROCESSING DEVICE AND DIGITAL ASSISTANT SYSTEM

HEAD-MOUNTABLE INFORMATION PROCESSING APPARATUS

DISPLAY TERMINAL, APPLICATION CONTROL SYSTEM AND APPLICATION CONTRO...

HEAD-MOUNT DISPLAY AND HEAD-MOUNT DISPLAY SYSTEM

INFORMATION PROCESSING APPARATUS

INFORMATION PROCESSING APPARATUS, USER AUTHENTICATION NETWORK SYSTE...

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

RECEPTION DEVICE, DIS PLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...

SPEECH RECOGNITION DEVICE, SPEECH-RECOGNITION-DEVICE COORDINATION S...

PERSONAL DIGITAL ASSISTANT

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

DIGITAL CONTENTS RECEIVER, DIGITAL CONTENTS RECEIVING METHOD AND DI...

RECEPTION DEVICE, DISPLAY CONTROL METHOD, TRANSMISSION DEVICE, AND...