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Chisso Petrochemical Corporation

USPTO Granted Patents = 148

% Expired Patents = 61.5

EPO Patents = 14

Forward Citations = 596

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97 inventors (with patents filed for the assignee):

Masayuki Saito (34 out of 190 patents)

Norikatsu Hattori (23 out of 61 patents)

Hiroaki Fujita (15 out of 26 patents)

4. Ryushi Shundo (12 out of 21 patents)

5. Yoshitaka Tomi (12 out of 24 patents)

6. Takashi Kato (10 out of 44 patents)

7. Motoki Yanai (9 out of 23 patents)

8. Teru Shimada (9 out of 12 patents)

9. Shuichi Goto (8 out of 25 patents)

10. Yasuyuki Sasada (8 out of 34 patents)

11. Yoshiharu Hirai (7 out of 19 patents)

12. Shigeru Kibe (7 out of 13 patents)

13. Hitoshi Yamamoto (6 out of 67 patents)

14. Teruyo Sugiura (6 out of 16 patents)

15. Yasuhiro Haseba (5 out of 42 patents)

Core Competencies:

Liquid Crystal Composition

Display Device

Polymerizable Compound

Optically Isotropic Medium

Cholesteric Liquid Crystal

Three-Ring Compound

Fluorine Substituted

Acrylate Compound

Lateral Oxirane

Naphthalene Compound

Hydrocoumarin Skeleton

Tetrahydropyran Compound

148 patents: Sort by Forward Citations

1. 8632696 - Liquid crystal composition and liquid crystal display device (2014-01-21),

2. 8419973 - Polymerizable liquid crystal composition and homeotropically-aligned liquid crystal film (2013-04-16),

3. 8263732 - Photo-alignment film and liquid crystal display element (2012-09-11),

4. 8216489 - Three-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device (2012-07-10),

5. 8211512 - Liquid Crystal composition and liquid crystal display device (2012-07-03),

6. 8211332 - Liquid Crystal composition and liquid crystal display device (2012-07-03),

7. 8206795 - Liquid crystal composition and liquid crystal display device (2012-06-26),

8. 8206610 - Liquid crystal composition and liquid crystal display device (2012-06-26),

9. 8187494 - Four- or five-ring liquid crystal compound having lateral fluorine, liquid crystal composition, and liquid crystal display device (2012-05-29),

10. 8182885 - Liquid crystal composition and liquid crystal display device (2012-05-22),

11. 8182717 - Liquid crystal composition and liquid crystal display device (2012-05-22),

12. 8168734 - Lateral alpha-substituted acrylate compound and polymer thereof (2012-05-01),

13. 8158219 - Liquid crystal composition and liquid crystal display device (2012-04-17),

14. 8153021 - Liquid crystal composition and liquid crystal display device (2012-04-10),

15. 8147930 - Liquid crystal composition and liquid crystal display device (2012-04-03),

Company Overview

Chisso Petrochemical Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced liquid crystal technologies. The company focuses on a range of core technology topics, including liquid crystal compositions, display devices, and polymerizable compounds. Chisso's innovations extend to optically isotropic mediums and cholesteric liquid crystals, contributing significantly to the fields of display technology and materials science. Their expertise in fluorine-substituted and acrylate compounds positions them as a key player in the petrochemical and electronics industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

148 Patents

#431 in Tokyo

#867 in Japan

#5,531 in the World

Chisso Petrochemical Corporation

Forward Citations = 596

97 inventors:

Masayuki Saito (34 out of 190 patents)

Norikatsu Hattori (23 out of 61 patents)

Hiroaki Fujita (15 out of 26 patents)

4. Ryushi Shundo (12 out of 21 patents)

5. Yoshitaka Tomi (12 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chisso Petrochemical Corporation. Retrieved from https://idiyas.com/company/chisso-petrochemical

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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