Fusayuki Takeshita

This inventor holds 63 USPTO granted patents, primarily in Liquid Crystal Technology (CPC class 2522). Top assignees: Chisso Corporation, Sharp Kabushiki Kaisha & Chisso Corp.. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fusayuki Takeshita. Retrieved from https://idiyas.com/inventor/fusayuki-takeshita

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

USPTO Granted Patents = 63

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 14

Forward Citations = 514(Granted Patents)

Forward Citations (Not Self Cited) = 489(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kawasakishi, JP (1990)
Ichiharashi, JP (1989 - 1992)
Kanagawa, JP (1992)
Ichihara, JP (1991 - 1993)
Shigaken, JP (1995)
Chibaken, JP (1998 - 2001)
Kimitsu, JP (1998 - 2003)
Sodegaura, JP (2000 - 2003)
Chiba, JP (1991 - 2006)

Company Filing History:

Sharp Kabushiki Kaisha & Chisso Corp.

patent

where one patent can have more than one assignee

Years Active: 1989-2006

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Areas of Expertise:

Liquid Crystal Composition

Display Device

Anisotropy

Fluorinated Compounds

Alkenyl Compounds

Terphenyl Derivatives

Benzene Derivatives

Ester Compounds

Cyclohexane Derivatives

Dioxane Derivatives

Pyrimidine Derivatives

Ferroelectric Liquid Crystals

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7081279 - Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device (2006-07-25),

2. 6692657 - Alkenyl compound having a negative &Dgr;&egr; value, liquid crystal composition, and liquid crystal display device (2004-02-17),

3. 6685995 - Ester compounds, liquid crystal compositions and liquid crystal display devices (2004-02-03),

4. 6596349 - Terphenyl derivative, liquid crystal composition and liquid crystal display device (2003-07-22),

5. 6579577 - Substituted benzene derivative, liquid crystal composition, and liquid crystal display element (2003-06-17),

6. 6576303 - Liquid crystal compounds exhibiting negative anisotropy of permittivity (2003-06-10),

7. 6555185 - Terphenyl derivative, liquid crystal composition and liquid crystal display device (2003-04-29),

8. 6485799 - Aniline derivatives, liquid-crystal composition containing the same, and liquid-crystal display element (2002-11-26),

9. 6458433 - Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition (2002-10-01),

10. 6372153 - Fluoroalkoxybenzene derivatives having ether bond, liquid-crystal composition, and liquid-crystal display element (2002-04-16),

11. 6348244 - Liquid-crystal compounds having large negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element (2002-02-19),

12. 6344247 - Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element (2002-02-05),

13. 6335064 - Liquid crystal compositions and liquid crystal display devices (2002-01-01),

14. 6329027 - Chlorobenzene derivatives, liquid-crystal composition, and liquid-crystal display elements (2001-12-11),

15. 6326065 - Pyrimidine derivative, liquid crystal composition comprising the derivative, and liquid crystal display device fabricated by using the composition (2001-12-04),

Title: The Innovative Contributions of Fusayuki Takeshita

Introduction

Fusayuki Takeshita, based in Chiba, Japan, is a prolific inventor with an impressive collection of 63 patents. His work primarily focuses on advancements in liquid crystal technologies, which have significant applications in display devices.

Latest Patents

Takeshita's latest patents include groundbreaking innovations such as alkenyl compounds with negative epsilon values, along with liquid crystal compositions and display devices. These inventions encompass liquid crystalline compounds demonstrating large negative epsilon values alongside low viscosity. They also showcase high K/K values and superior solubility at low temperatures, making them ideal for use in advanced liquid crystal display technologies.

Career Highlights

Throughout his career, Fusayuki Takeshita has been associated with notable companies such as Chisso Corporation and Sharp Kabushiki Kaisha (often referred to as Sharp Corporation). His tenure at these companies has allowed him to contribute substantially to the field of liquid crystal technology, enhancing the functionality and performance of display devices.

Collaborations

Takeshita has collaborated with esteemed colleagues in his field, including Etsuo Nakagawa and Shuichi Matsui. These partnerships have facilitated the exchange of ideas and the development of innovative solutions that push the boundaries of existing technology.

Conclusion

Fusayuki Takeshita's contributions to liquid crystal technology position him as a significant figure in the field of inventions. His numerous patents underline his commitment to innovation and his ability to advance technological processes that are shaping the future of display devices.

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]