Yasuyuki Mitsuoka

This inventor holds 67 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 1 EPO patent, primarily in Near-Field Optics (CPC class G11B). Top assignees: Seiko Instruments Inc, Agency for Science, Technology and Research, Seiko Instruments R & D Center Inc.. Active years: 1992-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Mitsuoka. Retrieved from https://idiyas.com/inventor/yasuyuki-mitsuoka

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

USPTO Granted Patents = 67 (Patent Applications = 1)

% Patents Active = 64.2

CIPO Patents = 1 (Patent Applications = 2)

EPO Patents = 1

Average Co-Inventor Count = 5.0

ph-index = 14

Forward Citations = 681(Granted Patents)

Forward Citations (Not Self Cited) = 622(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JP (1992 - 1997)
Mihama-ku, JP (2002)
Chiba-shi, Chiba JP (2004)
Chiba, JP (1996 - 2014)

Company Filing History:

64 out of 2,903

Seiko Instruments Inc

patents

1 out of 1,561

Agency for Science, Technology and Research

patents

1 out of 18

Seiko Instruments R & D Center Inc.

patents

4. 1 out of 35

Sumitomo Cement Co., Ltd.

patents

5. 1 out of 482

Sumitomo Osaka Cement Co., Ltd.

patents

6. 2 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1992-2014

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Areas of Expertise:

Near-Field Optical Head

Optical Microcantilever

Information Reproducing Apparatus

Wafer Level Package

Optical Aperture

Recording Medium

Optical Probe

Light-Guiding Device

Optical Switch

Near-Field Light

Optical Drive

Scanning Near-Field Microscope

67 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8787128 - Near-field optical head having tapered hole for guiding light beam (2014-07-22),

2. 8729695 - Wafer level package and a method of forming a wafer level package (2014-05-20),

3. 8320228 - Near-field optical head having tapered hole for guiding light beam (2012-11-27),

4. 8289819 - Information reproducing apparatus and information reproducing method (2012-10-16),

5. 7630287 - Near field optical head and optical recording device (2009-12-08),

6. 7602692 - Near-field optical probe for reproducing information on a recording medium using near-field light (2009-10-13),

7. 7599277 - Near-field optical head having tapered hole for guiding light beam (2009-10-06),

8. 7525880 - Near-field information reproducing apparatus and near-field information reproducing method (2009-04-28),

9. 7496250 - Optical microcantilever (2009-02-24),

10. 7366060 - Method for forming optical aperture, near-field optical head, method for fabricating near-field optical head, and information recording/reading apparatus (2008-04-29),

11. 7301888 - Recording apparatus (2007-11-27),

12. 7240541 - Optical microcantilever, manufacturing method thereof, and optical microcantilever holder (2007-07-10),

13. 7150185 - Optical microcantilever (2006-12-19),

14. 7057998 - Near-field optical head (2006-06-06),

15. 7054255 - Near field information recording/reproduction apparatus having waveguide with reflection surface (2006-05-30),

Title: The Innovative Journey of Inventor Yasuyuki Mitsuoka

Introduction: Yasuyuki Mitsuoka is a pioneering inventor hailing from Chiba, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yasuyuki Mitsuoka holds several patents in the realm of electronics and robotics, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yasuyuki Mitsuoka has worked tirelessly to develop cutting-edge solutions that have revolutionized the industry. His innovative mindset and dedication to his craft have earned him recognition as a trailblazer in the field.

Collaborations: Throughout his career, Yasuyuki Mitsuoka has collaborated with leading tech companies and research institutions to bring his ideas to life. His ability to work seamlessly in a team setting has led to the creation of groundbreaking technologies that have had a lasting impact on the industry.

Conclusion: Yasuyuki Mitsuoka's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor in the world of technology. His contributions continue to inspire future generations of inventors to push the boundaries of what is possible.

Profile summary based on public USPTO records.