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For the Inventor, By the Inventor

Suita, Japan

Chiyoko Matsumi

This inventor holds 50 USPTO granted patents and 1 published patent application, primarily in Media Processing Technologies (CPC class 360 ). Top assignees: Matsushita Electric Industrial Co., Ltd., Microsoft Technology Licensing, LLC. Active years: 1993-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiyoko Matsumi. Retrieved from https://idiyas.com/inventor/chiyoko-matsumi

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

USPTO Granted Patents = 50 

% Patents Active = 76.0

Average Co-Inventor Count = 4.8

ph-index = 14

Forward Citations = 1,125(Granted Patents)

Forward Citations (Not Self Cited) = 1,106(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Osaka, JP (1994 - 2008)
  • Suita, JP (1993 - 2015)

Company Filing History:

goldMedal48 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal12 out of 56,259 
 
Microsoft Technology Licensing, LLC
 patents
where one patent can have more than one assignee

Years Active: 1993-2015

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Areas of Expertise:
Media Player Optimization
Adaptive Menu System
Digital Signal Recording
Data Transmission
Playlist Navigation
Data Processing
Sound Signal Processing
Video Signal Processing
File Management
Digital Data Recording
Recording Apparatus
Information Processing
50 patents (USPTO):Explore Patents
1. 8935242 - Optimizing media player memory during rendering (2015-01-13),
2. 8886685 - Navigating media content by groups (2014-11-11),
3. 8738615 - Optimizing media player memory during rendering (2014-05-27),
4. 8280920 - Navigating media content by groups (2012-10-02),
5. 7991803 - Navigating media content by groups (2011-08-02),
6. 7680814 - Navigating media content by groups (2010-03-16),
7. 7647297 - Optimizing media player memory during rendering (2010-01-12),
8. 7590659 - Adaptive menu system for media players (2009-09-15),
9. 7366733 - Method and apparatus for reproducing play lists in record media (2008-04-29),
10. 7246180 - Connection-confirmable information processing system, connection-confirmable information processing apparatus, information processing method by which connection is conformable, recorder, recording system, recording method, method for recognizing correspondence between node and terminal, computer, terminal, and program recor (2007-07-17),
11. 7194548 - Data transmission apparatus, receiving apparatus, and sending apparatus (2007-03-20),
12. 7136874 - Adaptive menu system for media players (2006-11-14),
13. 7068913 - Data processing system, recording/reproducing device, data processing method and file management method (2006-06-27),
14. 7054888 - Optimizing media player memory during rendering (2006-05-30),
15. 7043477 - Navigating media content via groups within a playlist (2006-05-09),

Title: Chiyoko Matsumi: A Visionary Inventor Making Waves in Innovation

Introduction:

Chiyoko Matsumi, a distinguished inventor based in Suita, Japan, has left an indelible mark on the world of inventions with his passion for innovation and relentless drive to create a positive impact on society. With a portfolio boasting 50 patents, Matsumi's contributions continue to inspire future generations of inventors and innovators globally.

Latest Patents:

Among his latest patents is the groundbreaking invention titled "Optimizing Media Player Memory during Rendering." This revolutionary technology focuses on enhancing the operation of media players during the rendering of media files, utilizing authoring software to create a data structure filled with metadata. The rendering software then retrieves this metadata to identify and render media files efficiently, catering to both high-end personal computer media players and cost-effective alternatives. Another innovative patent involves "Navigating Media Content by Groups," which entails grouping media files through playlists stored on a computer-readable medium, revolutionizing how users interact with their digital media collections.

Career Highlights:

Matsumi's illustrious career has seen him contribute his inventive genius to renowned companies like Matsushita Electric Industrial Co., Ltd. and Microsoft Technology Licensing, LLC. His innovative spirit and dedication to pushing the boundaries of technology have led to the development of groundbreaking solutions that have redefined various industry standards.

Collaborations:

Throughout his career, Matsumi has collaborated with esteemed colleagues such as Akira Iketani and Tatsuro Juri, pooling their expertise to achieve remarkable technological advancements. These partnerships have been instrumental in driving innovation and shaping the landscape of modern inventions, showcasing the power of teamwork in bringing visionary ideas to life.

Conclusion:

Chiyoko Matsumi's exceptional talent as an inventor, coupled with his unwavering commitment to innovation, underscores his status as a true visionary in the realm of inventions. His pioneering contributions have not only transformed industries but also inspired a new wave of inventors to strive for excellence and make a positive difference in the world. Matsumi's legacy serves as a testament to the enduring impact of innovation on society, cementing his place among the pantheon of great inventors shaping our future.

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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