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Tayca Corporation

USPTO Granted Patents = 46

% Expired Patents = 6.5

EPO Patents = 14

Trademarks = 3

Forward Citations = 296

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66 inventors (with patents filed for the assignee):

Ryosuke Sugihara (20 out of 20 patents)

Yuhei Tsurumoto (6 out of 6 patents)

Yoichi Ooiso (6 out of 6 patents)

4. Kei Hirota (5 out of 5 patents)

5. Takeshi Okumiya (5 out of 5 patents)

6. Kazuto Fujihara (4 out of 4 patents)

7. Osamu Nakanishi (4 out of 4 patents)

8. Keiichi Watanabe (3 out of 3 patents)

9. Taichi Yamaguchi (3 out of 3 patents)

10. Ryousuke Sugihara (3 out of 3 patents)

11. Hajime Kondo (3 out of 3 patents)

12. Osamu Kobayashi (3 out of 6 patents)

13. Akira Misaki (3 out of 4 patents)

14. Masahira Nakagawa (3 out of 3 patents)

15. Hirokazu Kaku (2 out of 11 patents)

Core Competencies:

Conductive Polymer

Solid Electrolytic Capacitor

Electrolyte Solution

Titanium Oxide Powder

Redox Flow Battery

Power Storage Device

Dopant Solution

Electromagnetic Wave-Absorber

Anticorrosive Pigment

Composite Piezoelectric

Ultraviolet-Screening Pigment

Adsorbent Composition

46 patents: Sort by Forward Citations

1. 12590010 - Titanium oxide powder and method for manufacturing same (2026-03-31),

2. 12156924 - Inorganic powder composite, method for producing same, water-in-oil emulsion composition, and sunscreen cosmetic (2024-12-03),

3. 12113172 - Power storage device pre-doping agent and production method for same (2024-10-08),

4. 11753309 - Titanyl sulfate hydrate powder, method for producing titanyl sulfate hydrate powder, method for producing aqueous titanyl sulfate solution, method of producing electrolyte solution, and method for producing redox flow battery (2023-09-12),

5. 11302993 - Power storage device composition, power storage device separator using power storage device composition, and power storage device (2022-04-12),

6. 11289277 - Lithium ion capacitor positive electrode (2022-03-29),

7. 11217808 - Raw material of electrolyte solution, method for manufacturing electrolyte solution and method for manufacturing redox flow battery (2022-01-04),

8. 10336859 - Method for preparing an electrolyte capacitor (2019-07-02),

9. 10208160 - Oxidant dopant agent for conductive polymer production, and a solution thereof, and a conductive polymer prepared by using either of them, as well as an electrolyte capacitor using the conductive polymer as an electrolyte (2019-02-19),

10. 10049822 - Monomer liquid for of conductive polymer production and a manufacturing method of an electrolyte capacitor using the same (2018-08-14),

11. 9953767 - Conductive polymer dispersion liquid, a conductive polymer, and use thereof (2018-04-24),

12. 9589738 - Solid electrolyte capacitor and a method for manufacturing the same (2017-03-07),

13. 9460860 - Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof (2016-10-04),

14. 9362055 - Method for manufacturing solid electrolytic capacitor (2016-06-07),

15. 9108388 - Broadband electromagnetic wave-absorber and process for producing same (2015-08-18),

Company Overview

Tayca Corporation, headquartered in Osaka, Japan, specializes in the development and manufacturing of advanced inorganic powder composites and various innovative materials. The company focuses on key technology areas such as power storage devices, conductive polymers, and solid electrolytic capacitors, contributing to advancements in energy efficiency and electronic applications. Additionally, Tayca is involved in producing electromagnetic wave absorbers and anticorrosive pigment compositions, enhancing performance in diverse industrial sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

46 Patents

#194 in Osaka

#1,806 in Japan

#15,110 in the World

Tayca Corporation

Forward Citations = 296

66 inventors:

Ryosuke Sugihara (20 out of 20 patents)

Yuhei Tsurumoto (6 out of 6 patents)

Yoichi Ooiso (6 out of 6 patents)

4. Kei Hirota (5 out of 5 patents)

5. Takeshi Okumiya (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tayca Corporation. Retrieved from https://idiyas.com/company/tayca

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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