Hidetoshi Kami

This inventor holds 59 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent and 10 EPO patents, primarily in Image Formation Technology (CPC class G03G). Top assignee: Ricoh Company, Ltd.. Active years: 1999-2026.

USPTO Granted Patents = 59 (Patent Applications = 6)

% Patents Active = 57.6

CIPO Patents = 1

EPO Patents = 10 (Patent Applications = 6)

Average Co-Inventor Count = 3.9

ph-index = 15

Forward Citations = 622(Granted Patents)

Forward Citations (Not Self Cited) = 415(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Shizuoka-ken, JP (2001 - 2013)
Numazu, JP (1999 - 2014)
Shizuoka, JP (2005 - 2023)

Company Filing History:

59 out of 28,906

Ricoh Company, Ltd.

patents

Years Active: 1999-2026

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Areas of Expertise:

Electrophotographic

Photoconductor

Image Forming Apparatus

Process Cartridge

Image Bearing Member

Toner

Developer

Manufacturing Method

P-Type Semiconductivity

Photoelectric Conversion

Image Formation Method

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12577405 - Alumina powder and method of producing the same, and stack and method of producing the same (2026-03-17),

2. 12429787 - Electronic device and method for producing the same, image forming method, and image forming apparatus (2025-09-30),

3. 12429786 - Electronic device and method for producing the same, image forming method, and image forming apparatus (2025-09-30),

4. 12414429 - Metal oxide particles having p-type semiconductivity, electronic device using the same, method for manufacturing electronic device, and image forming apparatus (2025-09-09),

5. 11575095 - Photoelectric conversion device, process cartridge, and image forming apparatus (2023-02-07),

6. 10845738 - Image forming method, image forming apparatus, and process cartridge (2020-11-24),

7. 10585366 - Image forming apparatus (2020-03-10),

8. 10545417 - Electrophotographic photoconductor, image forming apparatus, and image forming method (2020-01-28),

9. 10416594 - Image forming method, image forming apparatus, and process cartridge (2019-09-17),

10. 10114302 - Photoconductor, image forming apparatus, and process cartridge (2018-10-30),

11. 9989868 - Photoconductor, image forming method using the same, method of manufacturing the photoconductor, and image forming apparatus (2018-06-05),

12. 9740116 - Photoconductor, and image forming method and image forming apparatus using the photoconductor (2017-08-22),

13. 9523930 - Photoconductor, and image forming method and image forming apparatus using the same (2016-12-20),

14. 9046863 - Image forming apparatus, and image forming method (2015-06-02),

15. 8795935 - Electrophotographic photoconductor, production method of the same, image forming apparatus, and process cartridge (2014-08-05),

Title: Hidetoshi Kami - Innovative Inventor from Numazu, Japan

Introduction: Hidetoshi Kami is a renowned inventor hailing from Numazu, Japan, known for his groundbreaking contributions to various technological fields.

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

Career Highlights: With over two decades of experience in the industry, Kami has a proven track record of developing cutting-edge technologies that have revolutionized the way we live and work. His dedication to pushing the boundaries of what is possible has earned him recognition as a pioneer in the field of innovation.

Collaborations: Throughout his career, Kami has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of numerous projects that have had a lasting impact on society.

Conclusion: Hidetoshi Kami's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology. His contributions to the field will undoubtedly leave a lasting legacy for years to come.