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For the Inventor, By the Inventor

Tachikawa, Japan

Shigemasa Shiota

This inventor holds 64 USPTO granted patents and 2 published patent applications and 4 EPO patents, primarily in Cryptographic Communication (CPC class H04L). Top assignees: Renesas Technology Corp., Renesas Electronics Corporation, Hitachi, Ltd.. Active years: 1997-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigemasa Shiota. Retrieved from https://idiyas.com/inventor/shigemasa-shiota

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

USPTO Granted Patents = 64 

% Patents Active = 64.1

 

Average Co-Inventor Count = 4.5

ph-index = 14

Forward Citations = 609(Granted Patents)

Forward Citations (Not Self Cited) = 551(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hitachi, JP (1997)
  • Kodaira, JP (1999 - 2016)
  • Kawasaki, JP (2017)
  • Tachikawa, JP (1998 - 2018)
  • Kanagawa, JP (2013 - 2019)
  • Tokyo, JP (2019 - 2021)

Company Filing History:

goldMedal21 out of 3,781 
 
Renesas Technology Corp.
 patents
silverMedal19 out of 7,657 
 
Renesas Electronics Corporation
 patents
bronzeMedal11 out of 42,740 
 
Hitachi, Ltd.
 patents
4. 10 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
5. 8 out of 17 
 
Solid State Storage Solutions LLC
 patents
6. 1 out of 1 
 
Emergence Memory Solutions, Inc.
 patent
7. 3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2021

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Areas of Expertise:
Cryptographic Communication
Semiconductor Device
Nonvolatile Memory
Data Transfer
Memory Controller
Faulty Cells
Mobile Communication
Memory System
Data Processing
Memory Card
Security Process
Information Processing
64 patents (USPTO):Explore Patents
1. 10944554 - Semiconductor device and information processing system for encrypted communication (2021-03-09),
2. 10664180 - Semiconductor device, security process execution device, and security process execution method (2020-05-26),
3. 10469256 - Cryptographic communication system and cryptographic communication method (2019-11-05),
4. 10411950 - On-vehicle system, program, and controller (2019-09-10),
5. 9960914 - Semiconductor device and information processing system for encrypted communication (2018-05-01),
6. 9904619 - Memory system with improved efficiency of data transfer between host, buffer, and nonvolatile memory (2018-02-27),
7. 9608818 - Cryptographic communication system and cryptographic communication method (2017-03-28),
8. 9363082 - Cryptographic communication system and cryptographic communication method (2016-06-07),
9. 9300470 - Semiconductor device and method of writing data to semiconductor device (2016-03-29),
10. 9245153 - Semiconductor device (2016-01-26),
11. RE45857 - External storage device and memory access control method thereof (2016-01-18),
12. 9026882 - Semiconductor device and method of writing data to semiconductor device (2015-05-05),
13. 9007830 - Semiconductor memory device having faulty cells (2015-04-14),
14. 8897736 - Mobile communication terminal device (2014-11-25),
15. 8782432 - Semiconductor device (2014-07-15),

Title: The Innovative Journey of Inventor Shigemasa Shiota

Introduction: Shigemasa Shiota is a pioneering inventor hailing from Tachikawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shigemasa Shiota holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Shiota has worked with renowned research institutions and leading tech companies, playing a key role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Shigemasa Shiota has collaborated with top engineers, scientists, and researchers, fostering a culture of innovation and knowledge sharing that has led to the creation of impactful technologies with real-world applications.

Conclusion: Shigemasa Shiota's relentless pursuit of innovation and his passion for creating solutions that make a difference have solidified his position as a visionary inventor in the realm of technology, inspiring the next generation of inventors to dream big and push the boundaries of what is possible.

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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