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Dic Corporation

USPTO Granted Patents = 812

% Expired Patents = 14.2

CIPO Patents = 5

EPO Patents = 502

Trademarks = 40

Forward Citations = 993

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911 inventors (with patents filed for the assignee):

Yoshinori Iwashita (45 out of 46 patents)

Shinji Ogawa (31 out of 38 patents)

Joji Kawamura (26 out of 30 patents)

4. Katsunori Shimada (26 out of 26 patents)

5. Shotaro Kawakami (25 out of 36 patents)

6. Takeshi Kuriyama (25 out of 33 patents)

7. Yutaka Satou (24 out of 27 patents)

8. Tomoyuki Imada (24 out of 28 patents)

9. Go Sudo (23 out of 26 patents)

10. Masanao Hayashi (20 out of 20 patents)

11. Makoto Negishi (20 out of 29 patents)

12. Kazuo Arita (20 out of 25 patents)

13. Tetsuo Kusumoto (19 out of 29 patents)

14. Hiroshi Kinoshita (19 out of 19 patents)

15. Yasuhiro Kuwana (19 out of 20 patents)

Core Competencies:

Urethane Resin

Curable Resin

Pressure-Sensitive Adhesive

Pigment Composition

Inkjet Ink

Alumina Particles

Composite Particle

Liquid Crystal Composition

Synthetic Leather

Fiber-Reinforced Material

Epoxy Resin

Colorant

812 patents: Sort by Forward Citations

1. 12767763 - Crosslinked polyarylene sulfide, composition, and method for producing molded article (2026-10-20),

2. 12760182 - Carbon black, ink, coating composition, coloring agent for plastics, colored molded article, coloring agent for stationery and writing instruments, textile printing agent, toner, dispersion or resist for color filters, and cosmetic composition (2026-10-13),

3. 12742094 - Silicone chain-containing polymer and coating composition containing said polymer (2026-09-22),

4. 12735609 - Pressure-sensitive adhesive composition for patterned pressure-sensitive adhesive tape, patterned pressure-sensitive adhesive tape, and production method thereof (2026-09-15),

5. 12735599 - Aqueous pigment dispersion and inkjet ink (2026-09-15),

6. 12735328 - Niobium oxide particles and method for producing niobium oxide particles (2026-09-15),

7. 12715992 - Polyarylene sulfide resin composition, molded article, and methods for producing these (2026-08-25),

8. 12715978 - Particle-containing resin composition and molded product (2026-08-25),

9. 12703767 - Fiber base material and artificial leather (2026-08-11),

10. 12702961 - Resistivity adjustment device and resistivity adjustment method (2026-08-11),

11. 12699898 - Method, information processing device, and recording medium storing instructions for prediction (2026-08-04),

12. 12697819 - Pigment dispersion for ink jet ink, ink jet ink, and printed matter (2026-08-04),

13. 12697760 - Mold, method for manufacturing plate-shaped molded article, method for manufacturing test piece, and method for predicting characteristics of resin composition molded article (2026-08-04),

14. 12686784 - C.I. pigment yellow 180, aqueous pigment dispersion for ink-jet ink, and aqueous pigment ink (2026-07-21),

15. 12686484 - Mobile object and mobile object flying method (2026-07-21),

Company Overview

Dic Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced resin compositions. The company focuses on a range of core technologies, including urethane resins, curable resins, and pressure-sensitive adhesives. Additionally, Dic is known for its expertise in pigment compositions, inkjet inks, and alumina particles, contributing to various applications across industries. With a commitment to innovation, Dic Corporation plays a significant role in enhancing material performance and functionality in diverse sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

812 Patents

#131 in Tokyo

#264 in Japan

#1,243 in the World

Dic Corporation

Forward Citations = 993

911 inventors:

Yoshinori Iwashita (45 out of 46 patents)

Shinji Ogawa (31 out of 38 patents)

Joji Kawamura (26 out of 30 patents)

4. Katsunori Shimada (26 out of 26 patents)

5. Shotaro Kawakami (25 out of 36 patents)

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

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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