Yasuaki Murai

This inventor holds 51 USPTO granted patents and 10 published patent applications and 10 EPO patents, primarily in Toner Technology (CPC class G03G). Top assignees: Canon Kabushiki Kaisha, Canon Finetech Inc.. Active years: 2006-2025.

USPTO Granted Patents = 51 (Patent Applications = 10)

% Patents Active = 41.2

EPO Patents = 10 (Patent Applications = 24)

Average Co-Inventor Count = 5.6

ph-index = 14

Forward Citations = 521(Granted Patents)

Forward Citations (Not Self Cited) = 349(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kawasaki, JP (2006 - 2018)
Numazu, JP (2019)
Tokyo, JP (2021 - 2023)

Company Filing History:

51 out of 92,842

Canon Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 2006-2025

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Areas of Expertise:

Toner

Pigment Dispersion

Azo Compounds

Ink Jet Recording

Colorant Compound

Polymer

Ink Cartridge

Binder Resin

Dye Compound

Pigment Composition

Polyester

Charge Control Agent

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12215240 - Aqueous ink, ink cartridge and ink jet recording method (2025-02-04),

2. 11702556 - Aqueous ink, ink cartridge and ink jet recording method (2023-07-18),

3. 11086242 - Toner and method for producing toner (2021-08-10),

4. 10948839 - Toner having a toner particle with a binder resin containing a copolymer of a styrenic polymerizable monomer, and at least one of an acrylic or methacrylic polymerizable monomer (2021-03-16),

5. 10216107 - Toner and method of producing toner (2019-02-26),

6. 10087328 - Compound having azo skeleton, pigment dispersant, pigment composition, pigment dispersion, and toner (2018-10-02),

7. 9926450 - Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner (2018-03-27),

8. 9834683 - Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner (2017-12-05),

9. 9829814 - Toner (2017-11-28),

10. 9777087 - Polymer including phthalocyanine structure, method for producing the polymer, pigment composition, pigment dispersion, and toner (2017-10-03),

11. 9715187 - Method of producing a compound having a colorant structure, and toner containing a compound obtained by the production method (2017-07-25),

12. 9625845 - Compound having azo skeleton structure, pigment-dispersing agent, pigment composition, pigment dispersion, and toner (2017-04-18),

13. 9618867 - Pigment dispersion and toner (2017-04-11),

14. 9593243 - Compound, pigment dispersing agent, pigment composition, pigment dispersion and toner containing said compound (2017-03-14),

15. 9556290 - Method for producing compound having colorant structure at main chain terminal of polymer, and pigment dispersant, pigment composition, pigment dispersion and toner containing compound obtained by the production method (2017-01-31),

Title: Yasuaki Murai: Pioneering Inventor from Kawasaki

Introduction: Yasuaki Murai is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Murai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Murai has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

Collaborations: Throughout his career, Murai has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing to drive progress in the tech sector.

Conclusion: Yasuaki Murai's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his reputation as a visionary inventor in the global tech community.