Hiroshi Koizumi

USPTO Granted Patents = 59 (Patent Applications = 7)

EPO Patents = 12 (Patent Applications = 12)

Average Co-Inventor Count = 3.3

ph-index = 13

Forward Citations = 634(Granted Patents)

Forward Citations (Not Self Cited) = 623(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ohmiya, JA (1976)
Ohmiya, JP (1981)
Nagaokakyo, JP (1995)
Tokyo-to, JP (1998 - 2000)
Sumida-ku, JP (2000)
Saitama, JP (1987 - 2005)
Atsugi, JP (2011)
Musashino, JP (2013 - 2014)
Odawara, JP (2016)
Kanagawa, JP (2002 - 2019)
Tokyo, JP (1986 - 2021)

Company Filing History:

15 out of 1,033

Kabushiki Kaisha Topcon

Nippon Telegraph and Telephone Corporation

Mitsubishi Denki Kabushiki Kaisha

patents

6. 2 out of 164

Ntt Electronics Corporation

patents

7. 1 out of 1

Tanaka Kogyo Corporation Limited

patent

8. 1 out of 560

Calsonic Kansei Corporation

patents

9. 1 out of 8

Ricoh Technology Research, Inc.

patents

10. 1 out of 1

Tokyo Kagaku Kakai Kabushiki Kaisha

patent

11. 1 out of 7,525

Renesas Electronics Corporation

patents

12. 1 out of 21

Nippon Telephone and Telegraph Corporation

where one patent can have more than one assignee

Years Active: 1976-2025

Loading Chart...

Areas of Expertise:

Substrate Processing

Semiconductor Devices

Biological Signal Measurement

Heartbeat Detection

Optical Modulators

Wide-Angle Lenses

Transimpedance Amplifiers

Optical Signal Detection

Biologic Information Detection

Blood Pressure Measurement

Laser Systems

Television Technology

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12454032 - Substrate processing apparatus (2025-10-28),

2. 11049806 - Semiconductor device including semiconductor chip transmitting signals at high speed (2021-06-29),

3. 10881315 - Biological signal measurement system, biological information measurement apparatus, and biological information extraction algorithm changing method (2021-01-05),

4. 10750969 - Heartbeat detection method and heartbeat detection device (2020-08-25),

5. 10243664 - Optical modulator driver circuit and optical transmitter (2019-03-26),

6. 10191254 - Wide-angle lens and imaging unit (2019-01-29),

7. 10172531 - Heartbeat detection method and heartbeat detection device (2019-01-08),

8. 9853618 - Transimpedance amplifier circuit (2017-12-26),

9. 9448740 - Storage apparatus and hierarchy control method (2016-09-20),

10. 9160458 - Optical signal detection circuit and optical receiver (2015-10-13),

11. 9042030 - Zoom lens and imaging apparatus (2015-05-26),

12. 9025970 - Optical signal cutoff detection circuit and optical receiver (2015-05-05),

13. 8657752 - Biologic information detecting apparatus (2014-02-25),

14. 8652054 - Biologic information detecting apparatus (2014-02-18),

15. 8652053 - Biologic information detecting apparatus (2014-02-18),

Title: The Innovative Journey of Hiroshi Koizumi

Introduction: Hiroshi Koizumi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Koizumi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Hiroshi Koizumi has worked with leading research institutions and tech companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hiroshi Koizumi has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Hiroshi Koizumi's passion for innovation and his relentless pursuit of technological advancement have solidified his position as a visionary inventor in the global innovation landscape.

This text is generated by artificial intelligence and may not be accurate.