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For the Inventor, By the Inventor

Tokyo, Japan

Kohei Ohtani

This inventor holds 9 USPTO granted patents and 1 EPO patent. Top assignee: Nippon Kayaku Kabushiki Kaisha. Active years: 2024-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Ohtani. Retrieved from https://idiyas.com/inventor/kohei-ohtani

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

USPTO Granted Patents = 9

% Patents Active = 88.9

 

Average Co-Inventor Count = 4.6

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:

goldMedal9 out of 799 
 
Nippon Kayaku Kabushiki Kaisha
 patents

Years Active: 2024-2026

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9 patents (USPTO):Explore Patents
1. 12637421 - Anthraquinone compound, liquid crystal composition containing said compound, and dimming element (2026-05-26),
2. 12378474 - Liquid-crystal composition containing anthraquinone compound and light-modulating element (2025-08-05),
3. 12331240 - Anthraquinone compound, liquid crystal composition containing said compound, and light-controlling element (2025-06-17),
4. 12312294 - Anthraquinone compound, liquid crystal composition containing said compound, and dimming element (2025-05-27),
5. 12172951 - Anthraquinone compound, liquid crystal composition containing said compound, and dimming element (2024-12-24),
6. 12157852 - Anthraquinone compound, liquid crystal composition containing said compound, and dimming element (2024-12-03),
7. 12157851 - Anthraquinone compound-containing liquid crystal composition for controlling light, photocured product thereof, and light-controlling element (2024-12-03),
8. 12139656 - Anthraquinone compound-containing liquid crystal composition for controlling light, photocured product thereof, and light-controlling element (2024-11-12),
9. 11905417 - Anthraquinone compound, liquid crystal composition for dimming including said compound, and dimming element (2024-02-20),

Title: Kohei Ohtani: Innovator in Liquid-Crystal Technology

Introduction

Kohei Ohtani is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of liquid-crystal technology, holding a total of 9 patents. His work focuses on innovative compositions that enhance the functionality of liquid crystals in various applications.

Latest Patents

Ohtani's latest patents include a liquid-crystal composition containing an anthraquinone compound and a light-modulating element. This composition comprises dye compounds and a liquid crystal material, where the dye compounds include specific anthraquinone compounds in a defined proportion. Additionally, his patents detail a photocurable compound and a photopolymerization initiator that contribute to the creation of a cured object from the liquid-crystal composition. Another notable patent involves an anthraquinone compound represented by a complex formula, which outlines various substituents that enhance the properties of the liquid crystal composition.

Career Highlights

Kohei Ohtani is currently employed at Nippon Kayaku Kabushiki Kaisha, where he continues to innovate in the field of liquid crystals. His expertise and dedication have positioned him as a key figure in the development of advanced materials that are essential for modern technology.

Collaborations

Ohtani collaborates with talented coworkers, including Saori Suzuki and Hitomi Muto. Their combined efforts contribute to the ongoing research and development of cutting-edge liquid-crystal technologies.

Conclusion

Kohei Ohtani's work in liquid-crystal technology exemplifies the spirit of innovation and creativity. His contributions through patents and collaborations continue to shape the future of this important field.

Profile summary based on public USPTO records.
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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