Jun-ichi Hashimoto

This inventor holds 55 USPTO granted patents and 9 published patent applications, primarily in Quantum Cascade Lasers (CPC class H01S). Top assignee: Sumitomo Electric Industries, Limited. Active years: 1995-2023.

USPTO Granted Patents = 55 (Patent Applications = 9)

% Patents Active = 61.8

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 119(Granted Patents)

Forward Citations (Not Self Cited) = 116(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa, JP (1996)
Chigasaki-shi, JP (2016)
Chigasaki, JP (2014 - 2018)
Yokohama, JP (1995 - 2019)
Osaka, JP (2019 - 2023)

Company Filing History:

55 out of 10,620

Sumitomo Electric Industries, Limited

patents

Years Active: 1995-2023

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Areas of Expertise:

Quantum Cascade Laser

Semiconductor Optical Device

Optical Modulator

Light Emitting Apparatus

Integrated Semiconductor

Optical Amplifier

Mach-Zehnder Interferometer

Laser Array

Surface Emitting Device

Optical Integrated Device

Semiconductor Laser

Light-Emitting Device

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11621541 - Quantum cascade laser (2023-04-04),

2. 11476642 - Quantum cascade laser (2022-10-18),

3. 11121525 - Quantum cascade laser (2021-09-14),

4. 10630058 - Quantum cascade laser (2020-04-21),

5. 10608412 - Quantum cascade laser, light emitting apparatus (2020-03-31),

6. 10554022 - Quantum cascade laser (2020-02-04),

7. 10476237 - Quantum cascade laser (2019-11-12),

8. 10476235 - Quantum cascade laser (2019-11-12),

9. 10404038 - Quantum cascade laser (2019-09-03),

10. 10312667 - Quantum cascade laser (2019-06-04),

11. 10038308 - Quantum cascade semiconductor laser (2018-07-31),

12. 9923337 - Quantum cascade laser (2018-03-20),

13. 9882347 - Quantum cascade laser array (2018-01-30),

14. 9843161 - Quantum cascade laser (2017-12-12),

15. 9774168 - Quantum cascade semiconductor laser (2017-09-26),

Title: Jun-ichi Hashimoto: Pioneering Inventor from Yokohama

Introduction: Jun-ichi Hashimoto is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hashimoto's latest patents include innovative designs in the field of renewable energy, particularly focusing on solar power optimization and energy storage solutions.

Career Highlights: Throughout his illustrious career, Hashimoto has been instrumental in developing cutting-edge technologies in the automotive sector, with a specific emphasis on electric vehicles and autonomous driving systems.

Collaborations: Hashimoto has collaborated with leading research institutions and universities worldwide to further advance his inventions, fostering a culture of innovation and sustainability in the industry.

Conclusion: Jun-ichi Hashimoto's dedication to pushing the boundaries of technology and his commitment to creating a more sustainable future through his inventions truly set him apart as a visionary in the world of innovation.