Tatsuya Takahashi

This inventor holds 55 USPTO granted patents and 12 published patent applications and 29 EPO patents, primarily in Light Source Technology. Top assignees: Ricoh Company, Ltd., Semiconductor Energy Laboratory Co., Ltd., Mitsubishi Chemical Corporation. Active years: 1995-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Takahashi. Retrieved from https://idiyas.com/inventor/tatsuya-takahashi

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

USPTO Granted Patents = 55 (Patent Applications = 12)

% Patents Active = 61.8

EPO Patents = 29 (Patent Applications = 40)

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 202(Granted Patents)

Forward Citations (Not Self Cited) = 178(Dec 10, 2025)

Location History:

Shinagawa, JP (2015)
Shinagawa-ku, JP (2015 - 2016)
Kanagawa, JP (1995 - 2023)
Atsugi, JP (2013 - 2023)
Tokyo, JP (2015 - 2024)

Company Filing History:

Semiconductor Energy Laboratory Co., Ltd.

patents

3 out of 2,426

Mitsubishi Chemical Corporation

patents

4. 3 out of 16,618

Mitsubishi Electric Corporation

patents

5. 3 out of 13,338

Panasonic Intellectual Property Management Co., Ltd.

patents

6. 1 out of 471

Amada Company, Limited

patents

7. 1 out of 16,458

Fuji Photo Film Company, Limited

where one patent can have more than one assignee

Years Active: 1995-2026

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Areas of Expertise:

Light Source Device

Image Projection Apparatus

Semiconductor Device

Power Conversion Device

Illumination Apparatus

Arc Detection System

N-Type GaN Crystal

Color-Changing Section

Brightness Adjustment

Light Deflector

Electricity Storage Device

Laser Light

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12760446 - n-type GaN crystal, GaN wafer, and GaN crystal, GaN wafer and nitride semiconductor device production method (2026-10-13),

2. 12549005 - Flicker prevention device and flicker prevention control method (2026-02-10),

3. 12523713 - Arc detection system, arc detection method, and recording medium (2026-01-13),

4. 12366611 - Arc detection system, arc detection method, and recording medium (2025-07-22),

5. 12351943 - n-Type GaN crystal, GaN wafer, and GaN crystal, GaN wafer and nitride semiconductor device production method (2025-07-08),

6. 12276708 - Arc detection system, arc detection method, and recording medium (2025-04-14),

7. 11987903 - N-type GaN crystal, GaN wafer, and GaN crystal, GaN wafer and nitride semiconductor device production method (2024-05-21),

8. 11829058 - Light source device and image projection apparatus including a rod integrator and light guide (2023-11-28),

9. 11715741 - Semiconductor device and method for manufacturing semiconductor device (2023-08-01),

10. 11402737 - Light source device and projector including a phosphor and a color-changing section (2022-08-02),

11. 11314157 - Light source optical system, light source device, and image projection apparatus (2022-04-26),

12. 11177289 - Semiconductor device and method for manufacturing semiconductor device (2021-11-16),

13. 11159092 - Power conversion device (2021-10-26),

14. 10992219 - Power conversion device (2021-04-27),

15. 10942434 - Light source optical system, light source device, and image projection apparatus (2021-03-09),

Title: Tatsuya Takahashi: Pioneering Inventor from Tokyo

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

Latest Patents: Tatsuya Takahashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Takahashi has worked with leading tech companies in Japan, spearheading projects that have revolutionized the industry. His innovative solutions have earned him recognition on a global scale.

Collaborations: Throughout his career, Tatsuya Takahashi has collaborated with top researchers, engineers, and scientists, fostering a culture of innovation and knowledge-sharing. His collaborative efforts have led to the development of cutting-edge technologies.

Conclusion: Tatsuya Takahashi's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of invention. His work continues to inspire future generations of inventors and shape the technological landscape for years to come.

Profile summary based on public USPTO records.