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For the Inventor, By the Inventor

Osaka, Japan

Rie Kojima

This inventor holds 62 USPTO granted patents and 3 published patent applications and 4 EPO patents, primarily in Information Recording Medium (CPC class G11B). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 1997-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rie Kojima. Retrieved from https://idiyas.com/inventor/rie-kojima

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

USPTO Granted Patents = 62 

% Patents Active = 56.5

 

Average Co-Inventor Count = 3.4

ph-index = 9

Forward Citations = 287(Granted Patents)

Forward Citations (Not Self Cited) = 220(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kashihara, JP (1997 - 2003)
  • Kadoma, JP (2004 - 2011)
  • Osaka, JP (2002 - 2013)
  • Nara, JP (2013 - 2014)
  • Okayama, JP (2019 - 2023)

Company Filing History:

goldMedal30 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal30 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal2 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents

Years Active: 1997-2023

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Areas of Expertise:
Information Recording Medium
Optical Information Recording
Manufacturing Process
Recording Method
Sputtering Target
Optical Multilayer Disk
Solid Immersion Lens
Film Forming Apparatus
Multiwavelength Light Source
Initialization Method
Recording/Reproducing Method
62 patents (USPTO):Explore Patents
1. 11545179 - Information storage medium having multiple recording layers (2023-01-03),
2. 10438627 - Information recording medium and method for manufacturing information recording medium (2019-10-08),
3. 8685518 - Information recording medium and method for producing same (2014-04-01),
4. 8580368 - Information recording medium and method for manufacturing the same (2013-11-12),
5. 8530140 - Optical information recording medium and method for manufacturing the same (2013-09-10),
6. 8526293 - Information recording medium and recording/reproducing method for the same (2013-09-03),
7. 8437235 - Optical information recording medium and recording/reproducing method therefor (2013-05-07),
8. 8435619 - Information recording medium (2013-05-07),
9. 8323763 - Information recording medium and method for producing the same (2012-12-04),
10. 8273438 - Information recording medium, process for producing the information recording medium, sputtering target and film forming apparatus (2012-09-25),
11. 8268433 - Information recording medium and method for producing same, and sputtering target (2012-09-18),
12. 8173239 - Information recording medium, method for producing the same, and sputtering target (2012-05-08),
13. 8158233 - Optical information recording medium, method of manufacturing the same, and sputtering target (2012-04-17),
14. 8133567 - Information recording medium and method for producing the same (2012-03-13),
15. 8133566 - Information recording medium, its manufacturing method, and sputtering target (2012-03-13),

Title: Rie Kojima: Pioneering Inventor from Osaka

Introduction: Rie Kojima is a renowned inventor hailing from Osaka, Japan, known for her groundbreaking contributions to the field of technology and innovation.

Latest Patents: Rie Kojima holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing her versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Rie Kojima has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the world of invention.

Collaborations: Throughout her career, Rie Kojima has collaborated with top engineers, scientists, and designers from around the globe, fostering a culture of innovation and creativity in all her projects.

Conclusion: Rie Kojima's passion for innovation and her relentless pursuit of excellence have solidified her reputation as a trailblazer in the world of invention, inspiring future generations to dream big and think outside the box.

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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