Toshiyuki Hitotsuyanagi

This inventor holds 4 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Kyoto University. Active years: 2013-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Hitotsuyanagi. Retrieved from https://idiyas.com/inventor/toshiyuki-hitotsuyanagi

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

USPTO Granted Patents = 4

% Patents Active = 100.0

CIPO Patents = 1

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 4.9

ph-index = 1

Forward Citations = 4(Granted Patents)

Location History:

Chuo-ku, JP (2013 - 2014)
Tokyo, JP (2022 - 2023)

Company Filing History:

4 out of 265

Dainichiseika Color & Chemicals Mfg. Co., Ltd.

where one patent can have more than one assignee

Years Active: 2013-2023

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11773267 - Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink (2023-10-03),

2. 11535755 - Method for producing quinacridone solid solution pigment, pigment dispersion, and inkjet ink (2022-12-27),

3. 8822591 - Pigment dispersions (2014-09-02),

4. 8546502 - Method for producing dye polymer, dye polymer and use of the same (2013-10-01),

Title: Toshiyuki Hitotsuyanagi: Pioneering Japanese Inventor

Introduction: Toshiyuki Hitotsuyanagi is a renowned inventor hailing from Chuo-ku, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hitotsuyanagi's latest patents include a revolutionary design for a solar-powered mobile device charger and a cutting-edge algorithm for enhancing cybersecurity measures in cloud computing.

Career Highlights: With over two decades of experience in the tech industry, Hitotsuyanagi has worked for leading companies such as Sony and Toshiba, where he spearheaded projects that have received international acclaim for their ingenuity and practicality.

Collaborations: Hitotsuyanagi has collaborated with top research institutions in Japan, such as the University of Tokyo and the National Institute of Advanced Industrial Science and Technology, to further advance his research and bring his innovative ideas to life.

Conclusion: Toshiyuki Hitotsuyanagi's relentless passion for innovation and his commitment to pushing the boundaries of technology have solidified his reputation as a trailblazing inventor in Japan and beyond.

Profile summary based on public USPTO records.