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For the Inventor, By the Inventor

Tsukuba, Japan

Junji Tominaga

This inventor holds 61 USPTO granted patents and 8 published patent applications and 3 EPO patents, primarily in Solid-State Memory (CPC class H01L). Top assignees: National Institute of Advanced Industrial Science and Technology, Tdk Corporation, Samsung Electronics Co., Ltd.. Active years: 1993-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Tominaga. Retrieved from https://idiyas.com/inventor/junji-tominaga

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

USPTO Granted Patents = 61 

% Patents Active = 60.7

 

Average Co-Inventor Count = 3.1

ph-index = 18

Forward Citations = 785(Granted Patents)

Forward Citations (Not Self Cited) = 751(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kitasaku, JP (1993)
  • Nagana, JP (1995)
  • Nagano, JP (1993 - 1997)
  • Tsukuba-shi, Ibaraki-ken, JP (2001)
  • Tsukuba-shi Ibaraki JP (2003)
  • Tsukuba-shi, Ibaraki JP (2004)
  • Ibaraki JP (2004)
  • Tsukubasi, JP (2008)
  • Ibaraki, JP (2006 - 2018)
  • Tsukuba, JP (1999 - 2020)

Company Filing History:

goldMedal23 out of 1,765 
 
National Institute of Advanced Industrial Science and Technology
 patents
silverMedal23 out of 8,257 
 
Tdk Corporation
 patents
bronzeMedal4 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
4. 3 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
5. 3 out of 1,458 
 
Elpida Memory, Inc.
 patents
6. 2 out of 265 
 
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
 patents
7. 2 out of 2 
 
Samsung Japan Corporation
 patents
8. 1 out of 2 
 
Adk Corporation
 patents
9. 1 out of 42,731 
 
Hitachi, Ltd.
 patents
10. 1 out of 1 
 
J. a. Woolam Japan Corporation
 patent
11. 1 out of 2,816 
 
Minolta Company, Ltd.
 patents
12. 1 out of 3,949 
 
Nitto-Denko Corporation
 patents
13. 1 out of 2,955 
 
Toshiba Memory Corporation
 patents
14. 1 out of 196 
 
University of Tsukuba
 patents
15. 7 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2020

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Areas of Expertise:
Solid-State Memory
Optical Recording
Semiconductor Device
Multiferroic Element
Phase-Change Memory
Data Processing System
Raman Scattering
Optical Measurement
Crystal Orientation Layer
Recording Medium
Superlattice Device
Pattern Formation
61 patents (USPTO):Explore Patents
1. 10543545 - Method of initializing multiferroic element (2020-01-28),
2. 10090460 - Crystal orientation layer laminated structure, electronic memory and method for manufacturing crystal orientation layer laminated structure (2018-10-02),
3. 9984745 - Spin electronic memory, information recording method and information reproducing method (2018-05-29),
4. 9893280 - Memory device (2018-02-13),
5. 9224460 - Solid memory (2015-12-29),
6. 9153315 - Solid memory (2015-10-06),
7. 9129673 - Superlattice recording layer for a phase change memory (2015-09-08),
8. 9082970 - Phase-change memory and semiconductor recording/reproducing device (2015-07-14),
9. 9029068 - Phase change device having phase change recording film, and phase change switching method for phase change recording film (2015-05-12),
10. 8734964 - Etching resist (2014-05-27),
11. 8530314 - Solid-state memory manufacturing method (2013-09-10),
12. 8396335 - Solid-state memory and semiconductor device (2013-03-12),
13. 8335106 - Superlattice device, manufacturing method thereof, solid-state memory including superlattice device, data processing system, and data processing device (2012-12-18),
14. 8295080 - Solid-state memory device, data processing system, and data processing device (2012-10-23),
15. 8243275 - Optical measurement apparatus and optical measurement method for a liquid or molten material (2012-08-14),

Title: The Innovative Journey of Junji Tominaga

Introduction: Junji Tominaga is a pioneering inventor hailing from Tsukuba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junji Tominaga holds several recent 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, Junji Tominaga has worked tirelessly to develop cutting-edge solutions that have revolutionized various industries. His innovative spirit and commitment to excellence have earned him recognition as a leading figure in the world of invention.

Collaborations: Throughout his career, Junji Tominaga has collaborated with top research institutions, universities, and tech companies to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of numerous groundbreaking projects.

Conclusion: Junji Tominaga's passion for innovation, coupled with his technical expertise, has solidified his position as a trailblazer in the world of invention. His relentless pursuit of excellence continues to inspire future generations of inventors and innovators worldwide.

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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