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For the Inventor, By the Inventor

Kawasaki, Japan

Kiyoshi Kohiyama

This inventor holds 24 USPTO granted patents and 4 published patent applications and 6 EPO patents, primarily in Information Processing. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited. Active years: 1990-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Kohiyama. Retrieved from https://idiyas.com/inventor/kiyoshi-kohiyama

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

USPTO Granted Patents = 24 

% Patents Active = 70.8

 

Average Co-Inventor Count = 2.1

ph-index = 7

Forward Citations = 166(Granted Patents)


Location History:

  • Tokyo, JP (1990 - 1993)
  • Kawasaki, JP (1997 - 2015)
  • Toshima, JP (2018 - 2019)

Company Filing History:

goldMedal23 out of 39,374 
 
Fujitsu Corporation
 patents
silverMedal3 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents
where one patent can have more than one assignee

Years Active: 1990-2019

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Areas of Expertise:
Information Processing
Secure Module
Digital Broadcasting
Data Transmission
Encrypted Communication
Image Processing
Watermarking
Semiconductor Testing
Color Image Control
Video Signal Generation
Data Scrambling
Circuit Design
24 patents (USPTO):Explore Patents
1. 10397203 - Reception device and reception method (2019-08-27),
2. 10103884 - Information processing device and information processing method (2018-10-16),
3. 9177117 - Secure module and information processing apparatus (2015-11-03),
4. 9152773 - Communication apparatus and secure module including function for disabling encrypted communication (2015-10-06),
5. 8984272 - Information processing apparatus, secure module, information processing method, and computer product (2015-03-17),
6. 8879581 - Data transmitting device and data receiving device (2014-11-04),
7. 8769562 - Digital broadcast method, data receiving device, and data transmitting device (2014-07-01),
8. 8306230 - Information processing apparatus playing encrypted content distributed through network (2012-11-06),
9. 8055909 - Method of and apparatus for reproducing information, and security module (2011-11-08),
10. 8046591 - Method of and apparatus for reproducing information, and security module (2011-10-25),
11. 7930562 - Method of and apparatus for reproducing information, and security module (2011-04-19),
12. 7913094 - Information reproducing apparatus and secure module (2011-03-22),
13. 7873839 - Method of and apparatus for reproducing information, and security module (2011-01-18),
14. 7471806 - Method, apparatus and computer program for inserting a watermarking program into an image processing program (2008-12-30),
15. 6658154 - Method and device for decoding moving picture (2003-12-02),

Title: Kiyoshi Kohiyama: A Pioneer in Information Processing Technologies

Introduction

Kiyoshi Kohiyama, located in Kawasaki, Japan, is a distinguished inventor known for his significant contributions to information processing technologies. With an impressive portfolio of 24 patents, his work focuses on enhancing the security and efficiency of program reception and information handling in various devices. Kohiyama's innovative spirit and technical expertise have been essential in shaping modern communication systems.

Latest Patents

Kohiyama's recent patents delve into cutting-edge information processing systems. One noteworthy invention is a "Reception Device and Reception Method," which incorporates a receiver unit capable of handling encrypted programs and confidential information. This device is designed to ensure that only authorized reception devices receive and decrypt specific programs based on identification information and delivery destination data. Another significant patent is the "Information Processing Device and Information Processing Method," which features a unique architecture involving a first processor and an information protection circuit to secure memory access, ensuring that sensitive information remains protected while allowing efficient communication between components.

Career Highlights

Throughout his career, Kiyoshi Kohiyama has made significant strides in the tech industry while working with prominent companies. Notably, he has been affiliated with Fujitsu Corporation and Fujitsu Semiconductor Limited, where he has applied his innovative ideas to develop advanced technologies. His deep understanding of information security and processing systems has left a lasting impact on the field.

Collaborations

Kohiyama has collaborated with notable colleagues, including Toshiyuki Yoshitake and Hidenaga Takahashi. Together, they have fostered a creative environment that promotes the development of groundbreaking technologies in information processing. Their collective expertise has contributed to numerous advancements and patents that address complex challenges in the tech sector.

Conclusion

Kiyoshi Kohiyama's contributions to the field of information processing are commendable. With a robust portfolio of patents and a history of successful collaborations, he continues to be an influential figure in technology innovation. His dedication to improving secure communication systems signifies his role as a pioneer, ensuring that the evolution of information technology delivers both efficiency and security.

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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