Kei Kaneko

This inventor holds 56 USPTO granted patents and 21 published patent applications and 9 EPO patents, primarily in Quantum Cascade Lasers. Top assignee: Kabushiki Kaisha Toshiba. Active years: 2009-2026.

USPTO Granted Patents = 56 (Patent Applications = 21)

% Patents Active = 83.9

EPO Patents = 9 (Patent Applications = 11)

Average Co-Inventor Count = 4.4

ph-index = 5

Forward Citations = 129(Granted Patents)

Forward Citations (Not Self Cited) = 115(Dec 10, 2025)

Location History:

Odawara, JP (2009 - 2015)
Kanagawa-ken, JP (2009 - 2016)
Yokohama, JP (2016 - 2024)

Company Filing History:

56 out of 53,240

Kabushiki Kaisha Toshiba

patents

Years Active: 2009-2026

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Areas of Expertise:

Quantum Cascade Laser

Semiconductor Light-Emitting Device

Gas Detection Device

Surface-Emitting Device

Nitride Semiconductor Wafer

Fluorescent Layer

Optical Element

Sensing Systems

Photonic Crystal

Manufacturing Method

Rare Earth Complex

Gas Analysis

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12719239 - Quantum cascade element (2026-08-25),

2. 12620780 - Surface-emitting quantum cascade laser (2026-05-05),

3. 12620774 - Analysis device (2026-05-05),

4. 12614892 - Surface-emitting semiconductor light-emitting device (2026-04-28),

5. 12596068 - Sensing systems and reflective optical element (2026-04-07),

6. 12506322 - Surface light-emission type semiconductor light-emitting device (2025-12-23),

7. 12486453 - Rare earth complex-containing composition and fluorescent penetrant inspection method using same (2025-12-02),

8. 12345631 - Gas detection device and gas detection method (2025-07-01),

9. 12270759 - Gas detection device (2025-04-08),

10. 11955775 - Quantum cascade laser and method for manufacturing same (2024-04-09),

11. 11881674 - Surface-emitting semiconductor light-emitting device (2024-01-23),

12. 11435282 - Gas analysis device (2022-09-06),

13. 11258233 - Quantum cascade laser (2022-02-22),

14. 11205887 - Quantum cascade laser and method for manufacturing same (2021-12-21),

15. 11114821 - Semiconductor laser wafer and semiconductor laser (2021-09-07),

Title: Kei Kaneko: Pioneering Inventor from Kanagawa-ken, Japan

Introduction: Kei Kaneko is a renowned inventor hailing from Kanagawa-ken, Japan, known for his groundbreaking innovations in various fields.

Latest Patents: Kei Kaneko holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to technology.

Career Highlights: With a career spanning over two decades, Kei Kaneko has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized industries worldwide.

Collaborations: Throughout his career, Kei Kaneko has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and creativity that has led to numerous successful projects and products.

Conclusion: Kei Kaneko's passion for pushing the boundaries of technology and his relentless pursuit of excellence make him a true visionary in the world of inventions and innovations.