Masataka Yashima

This inventor holds 53 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Organic Light Emitting Devices (CPC class 264-). Top assignee: Canon Kabushiki Kaisha. Active years: 1991-2025.

USPTO Granted Patents = 53 (Patent Applications = 1)

% Patents Active = 60.4

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.5

ph-index = 10

Forward Citations = 419(Granted Patents)

Forward Citations (Not Self Cited) = 387(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (1991 - 1996)
Kanagawa, JP (2004)
Kita-ku, JP (2007)
Tokyo, JP (2000 - 2017)

Company Filing History:

53 out of 92,799

Canon Kabushiki Kaisha

patents

Years Active: 1991-2025

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Areas of Expertise:

Organic Light Emitting Device

Electroluminescent Device

Fluorene Compound

Aminoanthryl Derivative

Image Correction Method

Inkjet Printing

Optical Filter

Recording Apparatus

Light Amount Adjustment

Liquid Ejection Printing

Optical Recording Medium

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12459283 - Printed product and method of producing printed product (2025-11-04),

2. 9705087 - Organic light emitting device (2017-07-11),

3. 9312494 - Organic light emitting device (2016-04-12),

4. 8404363 - Organic light emitting device (2013-03-26),

5. 8354788 - Organic light emitting device (2013-01-15),

6. 8227094 - Organic electroluminescent device (2012-07-24),

7. 7952269 - Organic light-emitting device (2011-05-31),

8. 7919199 - Organic light emitting device (2011-04-05),

9. 7901732 - Production process of light amount adjustment member, light amount adjustment member, light amount adjustment device and photographing apparatus (2011-03-08),

10. 7815966 - Production process of light amount adjustment member, light amount adjustment member, light amount adjustment device and photographing apparatus (2010-10-19),

11. 7812518 - Organic electroluminescent display apparatus (2010-10-12),

12. 7785719 - Fluorene compound and organic light-emitting device (2010-08-31),

13. 7740958 - Organic light-emitting device (2010-06-22),

14. 7709104 - Aminoanthryl derivative-substituted pyrene compound and organic light-emitting device (2010-05-04),

15. 7604873 - Organic light emitting device (2009-10-20),

Title: The Innovative Journey of Masataka Yashima

Introduction: Masataka Yashima is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masataka Yashima holds several patents in the areas of electronics, robotics, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

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

Collaborations: Throughout his career, Masataka Yashima has collaborated with top engineers, scientists, and inventors from around the globe, fostering a culture of innovation and creativity in all his projects.

Conclusion: Masataka Yashima's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions, inspiring future generations to dream big and think outside the box.