Hirokazu Hamano

This inventor holds 45 USPTO granted patents and 8 published patent applications and 9 EPO patents, primarily in Electrophotographic Toner. Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp., Fuji Xerox Corporation. Active years: 1998-2026.

USPTO Granted Patents = 45 (Patent Applications = 8)

% Patents Active = 66.7

EPO Patents = 9 (Patent Applications = 4)

Average Co-Inventor Count = 4.4

ph-index = 8

Forward Citations = 161(Granted Patents)

Location History:

Kaisei, JP (1999)
Ashigarakami-gun, JP (2003)
Minami-ashigara, JP (1998 - 2010)
Kanagawa, JP (2008 - 2024)

Company Filing History:

Fujifilm Business Innovation Corp.

patents

1 out of 42

Fuji Xerox Corporation

patents

Years Active: 1998-2026

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Areas of Expertise:

Electrophotographic Toner

Image Forming Apparatus

Developing Device

Electrostatic Charge

Toner Cartridge

Image Fixing Method

Electrostatic Developer

Image Forming Method

Toner Production

Crystalline Resin

Two-Component Developer

Cleaning Apparatus

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12735557 - Cellulose particles (2026-09-15),

2. 12460054 - Cellulosic particle (2025-11-04),

3. 12325779 - Cellulosic particle (2025-06-10),

4. 12187861 - Cellulosic particle (2025-01-07),

5. 12065547 - Cellulosic particle (2024-08-20),

6. 9164418 - Developing device, and image forming apparatus using the same (2015-10-20),

7. 9128413 - Developing device, and image forming apparatus using the same (2015-09-08),

8. 9063466 - Developing device having an attaching unit for attaching developer and image forming apparatus including the same (2015-06-23),

9. 9002244 - Image forming apparatus including developing device using toner holding member with specific surface roughness (2015-04-07),

10. 8945806 - Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method (2015-02-03),

11. 8916321 - Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus (2014-12-23),

12. 8871416 - Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming method, and image forming apparatus (2014-10-28),

13. 8728695 - Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, developer cartridge, process cartridge, image forming apparatus, and image forming method (2014-05-20),

14. 8728693 - Toner for developing electrostatic image, method of producing toner, cartridge, image forming method, and image forming apparatus (2014-05-20),

15. 8652726 - Toner for developing electrostatic image, method of producing toner, cartridge, image forming method, and image forming apparatus (2014-02-18),

Title: Hirokazu Hamano: Pioneering Inventor from Kanagawa

Introduction: Hirokazu Hamano is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirokazu Hamano holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Hamano has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved efficiency in various sectors.

Collaborations: Throughout his career, Hirokazu Hamano has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Hirokazu Hamano's dedication to pushing the boundaries of technology and his passion for creating solutions to complex problems make him a true visionary in the world of inventions and patents.