Hiroshi Imai

This inventor holds 79 USPTO granted patents and 14 published patent applications and 3 EPO patents, primarily in Quantum Communication (CPC class 4284). Top assignees: Nec Corporation, Nissan Motor Company Limited, Kabushiki Kaisha Toshiba. Active years: 1979-2026.

USPTO Granted Patents = 79 (Patent Applications = 14)

% Patents Active = 84.8

EPO Patents = 3 (Patent Applications = 5)

Average Co-Inventor Count = 1.9

ph-index = 15

Forward Citations = 609(Granted Patents)

Forward Citations (Not Self Cited) = 603(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (1982)
Yokosuka, JP (1984 - 1992)
Kanagawa, JP (1984 - 1994)
Kodaira, JP (1979 - 1995)
Tachikawa, JP (2005)
Hatogaya, JP (2007)
Saitama-ken, JP (2009)
Minato-ku, JP (2014 - 2015)
Tokyo, JP (1991 - 2024)

Company Filing History:

Nissan Motor Company Limited

patents

6 out of 53,211

Kabushiki Kaisha Toshiba

Yokohama Kiko Co., Ltd.

patents

6. 3 out of 317

Ikeda Bussan Co. Ltd.

patents

7. 3 out of 5

Johnan Seisakusho Co., Ltd.

patents

8. 2 out of 5,186

Bridgestone Corporation

patents

9. 2 out of 4,980

Oki Electric Industry Co., Ltd.

patents

10. 2 out of 727

Olympus Imaging Corporation

where one patent can have more than one assignee

Years Active: 1979-2026

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Areas of Expertise:

Quantum Cryptography

Communication System

Imaging Control

Information Providing

Authentication System

Blood Pressure Measurement

Image Processing

Projection Apparatus

Displacement Measurement

Pedestrian Guidance

Optical System

Three Dimensional Display

79 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12664638 - State determination apparatus, state determination method, and computer-readable recording medium (2026-06-23),

2. 12652109 - Transmission control techniques in quantum cryptographic communication system (2026-06-09),

3. 12574114 - Communication apparatus, communication system, communication control method, and recording medium (2026-03-10),

4. 12470853 - Repeater device and transmission control techniques in quantum cryptographic communication system (2025-11-11),

5. 12452045 - Communication control techniques in quantum cryptographic communication system (2025-10-21),

6. 12422667 - Optical system, imaging apparatus, and projection apparatus (2025-09-23),

7. 12302005 - Determination of light amount of illumination of visible light with which the eye part is irradiated such that pupil size satisfies a size condition (2025-05-13),

8. 12198471 - Information providing device, information providing method, and storage medium (2025-01-14),

9. 12148247 - Information providing device, information providing method, and storage medium (2024-11-19),

10. 12073750 - Pedestrian guidance device, pedestrian guidance method, and computer-readable recording medium (2024-08-27),

11. 12058440 - Imaging control system, imaging control method, control device, control method, and storage medium (2024-08-06),

12. 12056955 - Information providing device, information providing method, and storage medium (2024-08-06),

13. 12050183 - Abnormality determination device, abnormality determination method, and program storage medium (2024-07-30),

14. 12014573 - Image processing device, authentication system, image processing method, authentication method, and recording medium (2024-06-18),

15. 11978282 - Authentication system, authentication method, and storage medium (2024-05-07),

Title: The Innovative Mind of Hiroshi Imai

Introduction: Hiroshi Imai is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Imai's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Hiroshi Imai has a proven track record of turning innovative ideas into successful products. His work has revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Hiroshi Imai has collaborated with leading research institutions, universities, and tech companies to push the boundaries of innovation further. His ability to work in diverse teams has led to the development of cutting-edge technologies.

Conclusion: Hiroshi Imai's passion for innovation and his dedication to creating a better future through technology make him a true pioneer in the field of inventions. His work continues to inspire the next generation of inventors worldwide.