Tsuneyasu Nagatomo

This inventor holds 33 USPTO granted patents and 14 published patent applications, plus 2 CIPO patents and 9 EPO patents, primarily in Image Forming Technology. Top assignees: Ricoh Company, Ltd., Jnc Corporation. Active years: 2008-2025.

USPTO Granted Patents = 33 (Patent Applications = 14)

% Patents Active = 60.6

CIPO Patents = 2

EPO Patents = 9 (Patent Applications = 9)

Average Co-Inventor Count = 5.0

ph-index = 4

Forward Citations = 66(Granted Patents)

Location History:

Numazu, JP (2008 - 2014)
Shizuoka, JP (2013 - 2023)

Company Filing History:

where one patent can have more than one assignee

Years Active: 2008-2025

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Areas of Expertise:

Toner

Image Forming Apparatus

Developer

Toner Storage Unit

Process Cartridge

Electrostatic Charge

Two-Component Developer

Resin Particle

Hysteresis Suppression

Magenta Toner

Toner Housing Container

33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12346062 - Toner, toner storage unit, image forming apparatus and method of forming image (2025-07-01),

2. 11796931 - Toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming method (2023-10-24),

3. 11079700 - Image forming apparatus and image forming method (2021-08-03),

4. 11061345 - Toner, toner stored unit, developer, developer stored unit, and image forming apparatus (2021-07-13),

5. 11054757 - Toner, image forming apparatus, image forming method, and process cartridge (2021-07-06),

6. 10295919 - Toner, developer, toner storage unit, and image forming apparatus (2019-05-21),

7. 9891548 - Image forming method, toner, and image forming apparatus (2018-02-13),

8. 9804516 - Toner, developer, image forming apparatus, and process cartridge (2017-10-31),

9. 9791794 - Toner, developer, and image forming apparatus (2017-10-17),

10. 9523931 - Toner, developer and image forming apparatus (2016-12-20),

11. 9291931 - Electrostatic charge image developing toner (2016-03-22),

12. 9274445 - Toner set, developer set, and image forming apparatus (2016-03-01),

13. 9086647 - Developing device that suppresses hysteresis (2015-07-21),

14. 9069288 - Toner housing container and image forming apparatus (2015-06-30),

15. 9042802 - Image forming apparatus (2015-05-26),

Title: Tsuneyasu Nagatomo - Pioneering Inventor from Shizuoka, Japan

Introduction:

Tsuneyasu Nagatomo is a renowned inventor hailing from Shizuoka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Nagatomo's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights:

With a career spanning over two decades, Tsuneyasu Nagatomo has worked with leading tech companies and research institutions to develop cutting-edge technologies that have revolutionized various industries.

Collaborations:

Throughout his career, Nagatomo has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing to drive progress in the field of technology.

Conclusion:

Tsuneyasu Nagatomo's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible have solidified his reputation as a visionary inventor in Shizuoka, Japan, and beyond.