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For the Inventor, By the Inventor

Kanagawa, Japan

Tatsuya Narahara

This inventor holds 75 USPTO granted patents and 3 published patent applications and 8 EPO patents, primarily in Information Processing (CPC class H04N). Top assignees: Sony Corporation, Koninklijke Philips Corporation N.v., Saturn Licensing LLC. Active years: 1991-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Narahara. Retrieved from https://idiyas.com/inventor/tatsuya-narahara

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 75 

% Patents Active = 54.7

 

Average Co-Inventor Count = 3.1

ph-index = 14

Forward Citations = 585(Granted Patents)

Forward Citations (Not Self Cited) = 536(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kitashinagawa-Ku, JP (2002)
  • Shinagawa-Ku, JP (2008)
  • Kanagawa, JP (1991 - 2019)
  • Tokyo, JP (2001 - 2024)

Company Filing History:

goldMedal63 out of 58,145 
 
Sony Corporation
 patents
silverMedal5 out of 21,894 
 
Koninklijke Philips Corporation N.v.
 patents
bronzeMedal3 out of 719 
 
Saturn Licensing LLC
 patents
4. 1 out of 14,087 
 
U.S. Philips Corporation
 patents
5. 3 out of 834,513 
Other
 patents

Years Active: 1991-2024

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Areas of Expertise:
Image Display Device
Information Processing Apparatus
Head-Mounted Display
Wearable Image Display
Content Delivery Program
Data Processing Apparatus
Preference Extracting Apparatus
Content Viewing Support
Control Device
Storage Medium
Broadcast Program Information
Sync Signal Insertion
75 patents (USPTO):Explore Patents
1. 11920377 - Locking/unlocking device, locking/unlocking method, and locking/unlocking system (2024-03-05),
2. 10318028 - Control device and storage medium (2019-06-11),
3. 10228895 - Image display device, image display method, and computer program (2019-03-12),
4. 10108018 - Image display apparatus for displaying an image captured by a mobile apparatus (2018-10-23),
5. 9813771 - Information processing apparatus, information processing method and program (2017-11-07),
6. 9798144 - Wearable image display device to control display of image (2017-10-24),
7. 9791948 - Control device and storage medium (2017-10-17),
8. 9788070 - Information processor, information processing method and computer program (2017-10-10),
9. 9740008 - Image display device (2017-08-22),
10. 9674572 - Information processing system, method, and programming for categorizing broadcast program information (2017-06-06),
11. 9495029 - Head mount display and display control method (2016-11-15),
12. 9341847 - Head mount display and display control method (2016-05-17),
13. 9268138 - Head-mounted display (2016-02-23),
14. 9066149 - Information processor, information processing method and computer program (2015-06-23),
15. 8942534 - Information processing apparatus, information processing method, program, and information processing system (2015-01-27),

Title: Tatsuya Narahara: Innovator in Locking Mechanisms and Control Devices

Introduction

Tatsuya Narahara is a distinguished inventor based in Kanagawa, Japan. With an impressive portfolio of 75 patents, Narahara has made significant contributions to innovations in locking mechanisms and control systems. His dedication to advancing technology is reflected in his groundbreaking inventions and collaborations with renowned corporations.

Latest Patents

Among his latest innovations are a series of patents related to locking and unlocking devices, methods, and systems. These inventions include a locking/unlocking device designed to accurately detect the opening and closing states of various devices, optimizing the timing to effectively lock or unlock them. The device incorporates a drive unit that operates the lock mechanism and a magnetic detection unit that senses changes in the magnetic field due to the relative positions of movable and fixed components. A control unit evaluates this magnetic field change to determine the state of the device and actuates the drive unit accordingly.

Additionally, Narahara has developed a control device equipped with a detection unit that identifies a manipulation region where users are likely to interact with the system. This invention enables function setting that aligns with the detected manipulation area, enhancing user experience by ensuring responsive control tailored to user actions.

Career Highlights

Narahara's notable career includes engagements with leading technology firms such as Sony Corporation and Koninklijke Philips Corporation N.V. During his tenure at these esteemed companies, he demonstrated exceptional skill in the research and development of innovative technologies, resulting in numerous patents that have propelled advancements in the field.

Collaborations

Throughout his career, Tatsuya Narahara has worked alongside talented colleagues, including Toshiyuki Nakagawa and Nobuyuki Fujiwara. Their collaborative efforts have led to fruitful innovations, further cementing Narahara's reputation as a leading inventor in his domain.

Conclusion

Tatsuya Narahara's contributions to the fields of locking mechanisms and control systems showcase his inventive spirit and commitment to technological advancement. With 75 patents to his name, he continues to inspire future generations of inventors. His work not only enhances existing technologies but also opens doors to new possibilities in automation and user interaction.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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