Koji Tojo

This inventor holds 28 USPTO granted patents and 7 published patent applications and 1 EPO patent, primarily in Laser Technology. Top assignees: Shimadzu Corporation, Osaka University, Kyoto University. Active years: 2005-2026.

USPTO Granted Patents = 28 (Patent Applications = 7)

% Patents Active = 50.0

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 18(Granted Patents)

Location History:

Sagamihara, JP (2005 - 2013)
Kyoto, JP (2015 - 2023)

Company Filing History:

National University Corporation Tokai National Higher Education and Research System

patents

where one patent can have more than one assignee

Years Active: 2005-2026

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Areas of Expertise:

Laser Apparatus

Quantum Absorption Spectroscopy

Underwater Communication

Optical Coupling

Light-Emitting Device

Laser Processing

Wavelength Conversion

Fiber Coupling

Solid State Laser

Measurement Apparatus

Passive Q-Switch Laser

Optical Device

28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12686076 - Laser apparatus and control method (2026-07-21),

2. 12607554 - System and method for quantum absorption spectroscopy (2026-04-21),

3. 12216045 - Measurement apparatus (2025-02-04),

4. 11722225 - Underwater optical communication device and underwater inspection system (2023-08-08),

5. 11567272 - Optical coupling device (2023-01-31),

6. 11179800 - Laser processing device (2021-11-23),

7. 11112614 - Light-emitting device (2021-09-07),

8. 10746944 - Laser device (2020-08-18),

9. 10727644 - Laser device (2020-07-28),

10. 10566763 - Underwater laser light source (2020-02-18),

11. 10511144 - Semiconductor light-emitting device (2019-12-17),

12. 10180583 - Optical coupling module using a prism mirror to obtain parallel beams (2019-01-15),

13. 10153607 - Passive Q-switch laser and method for optimizing action of the same (2018-12-11),

14. 10139702 - Wavelength conversion device (2018-11-27),

15. 10137526 - Laser machining device (2018-11-27),

Title: The Innovative Journey of Inventor Koji Tojo

Introduction: Koji Tojo, a pioneering inventor hailing from Kyoto, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Koji Tojo's latest patents include advancements in renewable energy technologies, medical devices, and sustainable materials, showcasing his versatility and forward-thinking approach to problem-solving.

Career Highlights: Throughout his illustrious career, Koji Tojo has been recognized for his inventive spirit and dedication to pushing the boundaries of technology. His inventions have not only improved the quality of life for many but have also paved the way for future innovations in various industries.

Collaborations: Koji Tojo has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Koji Tojo's passion for innovation, coupled with his relentless pursuit of excellence, has established him as a prominent figure in the world of inventors. His contributions continue to inspire and shape the future of technology and beyond.