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.

USPTO Granted Patents = 62 (Patent Applications = 3)

% Patents Active = 56.5

EPO Patents = 4 (Patent Applications = 2)

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:

30 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

30 out of 16,454

Panasonic Corporation

patents

2 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):Sort by Forward CitationsExplore 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.