Tetsuya Ogawa

This inventor holds 32 USPTO granted patents, primarily in Liquid Crystal Technology. Top assignees: Chisso Corporation, Kaken Pharmaceutical Company, Ltd.. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Ogawa. Retrieved from https://idiyas.com/inventor/tetsuya-ogawa-2h3be5h7

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

USPTO Granted Patents = 32

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 277(Granted Patents)

Location History:

Futsushi, JP (1981)
Chibaken, JP (1985)
Yokohamashi, JP (1986 - 1990)
Yokohama, JP (1987 - 1992)
Futtsu, JP (1989 - 1992)

Company Filing History:

Kaken Pharmaceutical Company, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1981-1992

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Areas of Expertise:

Liquid Crystal

Pyrimidine Derivatives

Cyclohexane Derivatives

Ester Compounds

Tolan Derivative

Phenylpyrimidine

Optically Active Compounds

Dihalogeno-Aromatic

Novel Compounds

High Temperature Liquid Crystals

Bipyrimidinyl Derivatives

Fluorophenyl Compounds

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5112523 - Phenylpyrimidinecarboxylate derivative (1992-05-12),

2. 5089176 - Optically active monoester compounds and producing (1992-02-18),

3. 5055220 - Dicyclohexylethylene derivatives (1991-10-08),

4. 4917819 - Cyclohexane derivative and liquid crystal composition containing same (1990-04-17),

5. 4874546 - Phenylpyrimidinecarboxylate derivative (1989-10-17),

6. 4855076 - Fluorophenylcyclohexane derivative (1989-08-08),

7. 4839091 - Tolan derivative and liquid crystal composition containing the same (1989-06-13),

8. 4820443 - Cyclohexane derivative and liquid crystal composition containing the same (1989-04-11),

9. 4816180 - Novel tolan type liquid crystal compound (1989-03-28),

10. 4816179 - Dihalogeno-aromatic compound (1989-03-28),

11. 4797228 - Cyclohexane derivative and liquid crystal composition containing same (1989-01-10),

12. 4778621 - Ester compound (1988-10-18),

13. 4778620 - Tolan derivative and a liquid crystal mixture containing the same (1988-10-18),

14. 4774020 - Pyrimidinyldioxane derivatives (1988-09-27),

15. 4756847 - 4'-cyano-3'-halogenophenyl 4-(5-substituted-pyrimidin-2-yl)benzoate (1988-07-12),

Title: **Innovative Contributions of Tetsuya Ogawa in Liquid Crystal Technology**

Introduction

Tetsuya Ogawa, hailing from Yokohamashi, Japan, is a prolific inventor with an impressive portfolio of 32 patents. His work primarily focuses on the development of novel compounds that enhance the properties of liquid crystal compositions. His innovative mindset contributes significantly to advancements in materials science, particularly in the realm of liquid crystals.

Latest Patents

Among Ogawa's recent patents is a groundbreaking phenylpyrimidinecarboxylate derivative. This innovative compound, when utilized in liquid crystal compositions, can elevate the clearing point of the mesomorphic range and increase the dielectric anisotropy value. The detailed structure of this derivative is expressed by specific chemical formulas involving alkyl and alkoxy groups ranging from 1 to 10 carbon atoms. Additionally, Ogawa has developed optically active monoester compounds, produced through a unique transesterification process, showcasing his versatility and expertise in organic chemistry.

Career Highlights

Ogawa's career is marked by significant contributions while working with notable companies such as Chisso Corporation and Kaken Pharmaceutical Company, Ltd. His tenure at these organizations has enabled the translation of innovative research into practical applications, enhancing product offerings in the pharmaceutical and materials sectors.

Collaborations

Throughout his career, Tetsuya Ogawa has collaborated with esteemed colleagues, including Yasuyuki Goto and Shigeru Sugimori. These partnerships have fostered an environment of innovation, leading to the advancement of new technologies in their respective fields.

Conclusion

Tetsuya Ogawa embodies the spirit of innovation with his extensive patent portfolio and significant contributions to liquid crystal technology. His latest discoveries not only advance scientific knowledge but also offer practical solutions in various applications. As he continues to push the boundaries of invention, Ogawa remains a vital figure in the landscape of material sciences and pharmaceuticals.

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]