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For the Inventor, By the Inventor

Tokyo, Japan

Keiichi Totsuka

This inventor holds 10 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1990-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Totsuka. Retrieved from https://idiyas.com/inventor/keiichi-totsuka-t0bbrzao

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

USPTO Granted Patents = 10

% Patents Active = 80.0

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 433(Granted Patents)


Location History:

  • Hiratsuka, JP (1990)
  • Kawasaki, JP (1991 - 1992)
  • Tokyo, JP (1993 - 2012)

Company Filing History:

goldMedal10 out of 58,147 
 
Sony Corporation
 patents

Years Active: 1990-2012

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10 patents (USPTO):Explore Patents
1. 8102333 - Display device securing mechanism and display system that rotates display devices around a rotational axis (2012-01-24),
2. 8074242 - System and method for information supply and apparatuses therefor (2011-12-06),
3. 7225457 - Information supply apparatus, information utilization apparatus, information manipulation apparatus, information supply system, information supply method, information utilization method and recording medium (2007-05-29),
4. 7202773 - Authentication information communication system and method, portable information processing device and program furnishing medium (2007-04-10),
5. 7181024 - Portable audio listening apparatus (2007-02-20),
6. D342947 - Radio tuner (1994-01-04),
7. D342520 - Combined radio tuner and clock (1993-12-21),
8. D327269 - Radio receiver (1992-06-23),
9. D321513 - Combined tape player and radio tuner (1991-11-12),
10. D308202 - Television receiver (1990-05-29),

Title: Keiichi Totsuka: Innovator in Display Technology

Introduction

Keiichi Totsuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of display technology, holding a total of 10 patents. His work focuses on innovative mechanisms and systems that enhance the functionality and usability of display devices.

Latest Patents

Among his latest patents is a "Display device securing mechanism and display system that rotates display devices around a rotational axis." This invention features a mechanism that allows multiple display devices to be mounted and rotated efficiently. It includes several housings for the display devices, first rotating members for individual rotation, and a second rotating member for collective movement. Another notable patent is the "System and method for information supply and apparatuses therefor." This invention provides a method for delivering broadcasting content summary information based on user-specified conditions. It enables the extraction and distribution of summary playback information, allowing users to create and replay summaries of broadcasting content.

Career Highlights

Keiichi Totsuka is currently employed at Sony Corporation, a leading company in the electronics and entertainment industry. His work at Sony has allowed him to push the boundaries of display technology and contribute to the development of innovative products.

Collaborations

Throughout his career, Totsuka has collaborated with talented individuals such as Haruo Oba and Chisato Numaoka. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Keiichi Totsuka's contributions to display technology through his patents and work at Sony Corporation highlight his role as an influential inventor. His innovative solutions continue to shape the future of display systems and information supply methods.

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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