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For the Inventor, By the Inventor

Tokyo, Japan

Jnc Petrochemical Corporation


USPTO Granted Patents = 321

% Expired Patents = 74.1


Forward Citations = 604

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125 inventors (with patents filed for the assignee):

goldMedal Masayuki Saito (80 out of 190 patents)

silverMedal Yoshimasa Furusato (52 out of 54 patents)

bronzeMedal Norikatsu Hattori (37 out of 61 patents)

4.  Yasuyuki Gotoh (31 out of 31 patents)

5.  Hiroyuki Tanaka (22 out of 32 patents)

6.  Yasuhiro Haseba (19 out of 42 patents)

7.  Masahide Kobayashi (16 out of 18 patents)

8.  Daisuke Ootsuki (14 out of 16 patents)

9.  Takayoshi Yanai (14 out of 16 patents)

10.  Yasuyuki Sasada (13 out of 34 patents)

11.  Tomohiro Yano (12 out of 13 patents)

12.  Eiji Okabe (12 out of 25 patents)

13.  Koki Sago (12 out of 12 patents)

14.  Yoshiharu Hirai (11 out of 19 patents)

15.  Shin-ichi Yamamoto (11 out of 12 patents)


Core Competencies:
Liquid Crystal Composition
Display Device
Phase Control
Optical Anisotropic Body
Polymerizable Compound
Negative Electrode
Lithium Ion Battery
Stereoscopic Image Display
Liquid Crystal Lens
Core-Shell Structure
Optical Device

321 patents:

1. 12655351 - Liquid crystalline compound, liquid crystal composition, and element (2026-06-16),
2. 12492342 - Liquid crystal composition and element (2025-12-09),
3. 12252643 - Liquid crystal composition, element and liquid crystal lens or a birefringent lens for stereoscopic image display (2025-03-18),
4. 12247153 - Liquid crystal composition and liquid crystal element (2025-03-11),
5. 12203024 - Liquid crystal composition and liquid crystal element (2025-01-21),
6. 12060514 - Liquid crystal composition and element used for phase control of electromagnetic wave signal (2024-08-13),
7. 11492551 - Liquid crystal composition used in element for phase control of electromagnetic wave signal (2022-11-08),
8. 11299675 - Polymerizable polar compound, liquid crystal composition and liquid crystal display device (2022-04-12),
9. 11211603 - Silicon nanoparticle-containing hydrogen polysilsesquioxane calcined product-metal oxide complex and production method thereof, negative electrode active material for lithium ion battery, negative electrode for the lithium ion battery and lithium ion battery (2021-12-28),
10. 11193066 - Polymerizable compound and composition, liquid crystal composite, optical anisotropic body, liquid crystal display device and use thereof (2021-12-07),
11. 11155753 - Liquid crystal composition used for phase control of electromagnetic wave signal (2021-10-26),
12. 11127952 - Core-shell structure and production method therefof, composition for negative electrode using the core-shell structure as negative electrode active material, negative electrode and secondary battery (2021-09-21),
13. 11127947 - Silicon nanoparticle-containing hydrogen polysilsesquioxane calcined product, negative electrode active material for lithium ion battery, negative electrode for lithium ion battery and lithium ion battery (2021-09-21),
14. 11031591 - Polysilsesquioxane covered silicon nanoparticles or calcined product thereof and production method thereof, negative electrode active material for lithium ion battery, negative electrode for lithium ion battery and lithium ion battery (2021-06-08),
15. 11027978 - Silicon nanoparticle-containing hydrogen polysilsesquioxane, calcined product thereof, production method therefor, active material, negative electrode, and lithium ion battery (2021-06-08),
Company Overview
Jnc Petrochemical Corporation, headquartered in Tokyo, specializes in liquid crystal technology, focusing on the development and manufacturing of advanced liquid crystal compositions and display devices. The company is at the forefront of innovations in phase control and optical anisotropic bodies, contributing significantly to the fields of polymerizable compounds and negative electrodes for lithium-ion batteries. Additionally, Jnc is involved in the creation of stereoscopic image displays, enhancing visual experiences across various applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

321 Patents

#268 in Tokyo

#518 in Japan

#2,803 in the World

Tokyo, JP
Tokyo, Japan

Jnc Petrochemical Corporation

Forward Citations = 604

125 inventors:

goldMedal Masayuki Saito (80 out of 190 patents)

silverMedal Yoshimasa Furusato (52 out of 54 patents)

bronzeMedal Norikatsu Hattori (37 out of 61 patents)

4.  Yasuyuki Gotoh (31 out of 31 patents)

5.  Hiroyuki Tanaka (22 out of 32 patents)

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