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For the Inventor, By the Inventor

Ibaraki, Japan

Masayuki Hirabayashi

This inventor holds 66 USPTO granted patents and 5 published patent applications and 1 EPO patent, primarily in Mobile Terminal Technology (CPC class H04N). Top assignees: Maxell, Ltd., Hitachi, Ltd., Hitachi Maxell, Limited. Active years: 1990-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Hirabayashi. Retrieved from https://idiyas.com/inventor/masayuki-hirabayashi

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

USPTO Granted Patents = 66 

% Patents Active = 92.4


Average Co-Inventor Count = 2.6

ph-index = 7

Forward Citations = 613(Granted Patents)

Forward Citations (Not Self Cited) = 581(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kashiwa, JP (1994 - 2001)
  • Tokyo, JP (2016)
  • Osaka, JP (2017 - 2018)
  • Yokohama, JP (1990 - 2024)
  • Ibaraki, JP (1992 - 2024)
  • Kyoto, JP (2019 - 2024)

Company Filing History:

goldMedal35 out of 986 
 
Maxell, Ltd.
 patents
silverMedal20 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal5 out of 1,112 
 
Hitachi Maxell, Limited
 patents
4. 3 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
5. 2 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
6. 1 out of 172 
 
Agency of Industrial Science and Technology Ministry of International
 patents
7. 1 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
8. 1 out of 1,432 
 
Ube Industries, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1990-2026

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Areas of Expertise:
Mobile Terminal
Video Display Apparatus
Imaging Device
Broadcast Receiving
Control Method
Information Processing
Application Software
Optical Recording
Terminal Device
Remote Control
Program Contents
Location Information
66 patents (USPTO):Explore Patents
1. 12756893 - Broadcast receiving device (2026-10-06),
2. 12506921 - Video display apparatus and terminal apparatus (2025-12-23),
3. 12389221 - Mobile terminal and control method thereof (2025-08-12),
4. 12328524 - Imaging device and image processing method (2025-06-10),
5. 12192580 - Broadcast receiving apparatus for receiving program contents based on location information (2025-01-07),
6. 12108116 - Mobile terminal and video display apparatus (2024-10-01),
7. 12108107 - Broadcast receiving device (2024-10-01),
8. 11924633 - Mobile terminal and control method thereof (2024-03-05),
9. 11870944 - Imaging device and image processing method (2024-01-09),
10. 11860987 - Information processing device, application software start-up system, and application software start-up method (2024-01-02),
11. 11800182 - Broadcast receiving device (2023-10-24),
12. 11792465 - Video display apparatus and terminal apparatus (2023-10-17),
13. 11729455 - Broadcast receiving apparatus for receiving program contents based on location information (2023-08-15),
14. 11711585 - Mobile terminal and video display apparatus (2023-07-25),
15. 11528432 - Imaging device and image processing method (2022-12-13),

Title: Masayuki Hirabayashi: Pioneering Inventor from Ibaraki, Japan

Introduction: Masayuki Hirabayashi is a renowned inventor hailing from the prefecture of Ibaraki, Japan. With a passion for innovation and a keen eye for technological advancements, he has made significant contributions to various fields through his inventive spirit.

Latest Patents: Masayuki Hirabayashi holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions. His most recent patents focus on enhancing efficiency in industrial processes through automation and smart technologies.

Career Highlights: Throughout his career, Masayuki Hirabayashi has worked with leading tech companies in Japan, spearheading research and development projects that have led to groundbreaking inventions. His expertise in merging cutting-edge technology with practical applications has set him apart in the industry.

Collaborations: Masayuki Hirabayashi has collaborated with top research institutions and universities in Japan to further his innovative projects. By fostering partnerships with like-minded professionals, he has been able to push the boundaries of traditional thinking and create novel solutions to complex problems.

Conclusion: Masayuki Hirabayashi's dedication to innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazing inventor in Ibaraki, Japan. His work continues to inspire the next generation of inventors and shape the future of technology in remarkable ways.

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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