Toshiaki Katsuma

This inventor holds 40 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Optical Systems. Top assignees: Fujinon Corporation, Fuji Photo Optical Co., Ltd., Fujifilm Corporation. Active years: 1990-2015.

USPTO Granted Patents = 40 (Patent Applications = 2)

% Patents Active = 37.5

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 147(Granted Patents)

Location History:

Omiya, JP (1990 - 2005)
Tokyo, JP (2003 - 2010)
Saitama, JP (2002 - 2013)
Saitama-ken, JP (1997 - 2015)

Company Filing History:

Fuji Photo Optical Co., Ltd.

Years Active: 1990-2015

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Areas of Expertise:

Imaging Lens

Optical Pickup Device

Objective Lens

Optical Recording Media

Diffraction Type Lens

Molded Lens

Beam Shaping Prism

Optical Element Molding

Anamorphic Aspherical Lens

Finite Conjugate Lens

Variable Magnification Duplicator

Coupling Optical System

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9176304 - Imaging lens (2015-11-03),

2. 9170404 - Imaging lens (2015-10-27),

3. 9036269 - Imaging lens and imaging apparatus (2015-05-19),

4. 9030764 - Imaging lens and imaging apparatus (2015-05-12),

5. 9019634 - Imaging lens and imaging apparatus (2015-04-28),

6. 8902516 - Imaging lens and imaging apparatus (2014-12-02),

7. 8345356 - Objective lens, optical pickup device, and optical recording/reproducing apparatus (2013-01-01),

8. 8064319 - Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device (2011-11-22),

9. 8009544 - Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup device (2011-08-30),

10. 7995290 - Objective lens, optical pickup device, and optical recording/reproducing apparatus (2011-08-09),

11. 7755852 - Optical element molding method and optical element (2010-07-13),

12. 7680014 - Objective optical system and optical pickup device using it (2010-03-16),

13. 7613098 - Objective optical system for optical recording media and optical pickup device using it (2009-11-03),

14. 7589914 - Molded lens (2009-09-15),

15. 7580601 - Anamorphic aspherical beam focusing lens (2009-08-25),

Title: Toshiaki Katsuma - Innovative Inventor from Tokyo

Introduction: Toshiaki Katsuma is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Toshiaki Katsuma holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Toshiaki Katsuma has worked with leading research institutions and tech companies, consistently pushing the boundaries of innovation. His inventions have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Toshiaki Katsuma has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in his projects. His ability to work in diverse teams has led to the development of cutting-edge solutions.

Conclusion: Toshiaki Katsuma's passion for innovation and his dedication to creating impactful technologies have solidified his reputation as a visionary inventor in Tokyo and beyond.