Hiroyuki Shimanaka

This inventor holds 34 USPTO granted patents and 7 published patent applications, plus 7 CIPO patents and 12 EPO patents, primarily in Pigment Dispersion Technology. Top assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Kyoto University, Ukima Colour & Chemicals Mfg. Co., Ltd.. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Shimanaka. Retrieved from https://idiyas.com/inventor/hiroyuki-shimanaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 34 (Patent Applications = 7)

% Patents Active = 88.2

CIPO Patents = 7

EPO Patents = 12 (Patent Applications = 11)

Average Co-Inventor Count = 4.9

ph-index = 3

Forward Citations = 34(Granted Patents)

Location History:

Chuo-ku, JP (2011 - 2014)
Tokyo, JP (1999 - 2024)

Company Filing History:

33 out of 265

Dainichiseika Color & Chemicals Mfg. Co., Ltd.

Ukima Colour & Chemicals Mfg. Co., Ltd.

patents

4. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1999-2026

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Areas of Expertise:

Pigment Dispersant

Aqueous Ink

Polymer Emulsion

Block Copolymer

Cellulose Composition

Radical Polymerization

Surface Treatment Film

Coloring Agent

Emulsion Binder

Hydrophilic Coloring Matter

Colored Fine Particulate Resins

Dispersant Production

34 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12637531 - Pigment dispersant composition, production method therefor, pigment dispersion, and actinic-ray-curable ink-jet ink (2026-05-26),

2. 12559639 - Polymeric dispersant and production method therefor, aqueous pigment dispersion, and water-based ink-jet ink (2026-02-24),

3. 12264217 - Surface treatment film, manufacturing method therefor, and article (2025-04-01),

4. 12237097 - Carbon material dispersion (2025-02-25),

5. 12173105 - A-B block copolymer, polymer emulsion and water-based inkjet ink (2024-12-24),

6. 12146045 - Carbon material dispersion (2024-11-19),

7. 12065575 - Aqueous pigment dispersion liquid, aqueous ink-jet ink, and dry coating (2024-08-20),

8. 11746247 - Aqueous pigment dispersion liquid (2023-09-05),

9. 11746178 - Polymer production method and radical polymerization initiating group-containing compound (2023-09-05),

10. 10995159 - Production method for polymer (2021-05-04),

11. 10982033 - Polymer production method and radical polymerization initiating group-containing compound (2021-04-20),

12. 10982020 - A-B block co-polymer, A-B block co-polymer production method, resin treatment pigment composition, resin treatment pigment composition production method, pigment dispersion, and pigment dispersion solution (2021-04-20),

13. 10081001 - Polymer dispersant for cellulose, aqueous dispersion treatment agent containing same, readily dispersible cellulose composition, cellulose dispersion resin composition, and dispersant-containing resin composition for cellulose dispersion (2018-09-25),

14. 10077357 - Production method for readily dispersible cellulose composition, readily dispersible cellulose composition, cellulose dispersion resin composition, and production method for water-based dispersant for cellulose (2018-09-18),

15. 9988480 - Pigment dispersant, production method for pigment dispersant, and pigment dispersion liquid (2018-06-05),

Title: Hiroyuki Shimanaka: Pioneering Inventor from Tokyo

Introduction: Hiroyuki Shimanaka is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Shimanaka's latest patents focus on advancements in renewable energy technologies, particularly in the development of efficient solar panels and energy storage solutions.

Career Highlights: With a career spanning over two decades, Shimanaka has worked with leading research institutions and technology companies to bring his innovative ideas to life. His work has significantly impacted the renewable energy sector and has garnered international recognition.

Collaborations: Throughout his career, Shimanaka has collaborated with top engineers, scientists, and researchers from around the world to push the boundaries of technological innovation. His collaborative efforts have led to the development of cutting-edge solutions that address pressing global challenges.

Conclusion: Hiroyuki Shimanaka's relentless pursuit of innovation and his passion for creating a sustainable future have solidified his position as a trailblazing inventor in the field of technology. His work continues to inspire the next generation of inventors and researchers to think boldly and push the limits of what is possible.

Profile summary based on public USPTO records.