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For the Inventor, By the Inventor

Wakayama, Japan

Kenji Ekawa

USPTO Granted Patents = 12


Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal12 out of 59 
 
Honshu Chemical Industry Co., Ltd.
 patents

Years Active: 2001-2007

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12 patents (USPTO):Explore Patents
1. 7196232 - 4,4'-dihydroxyphenyl bicyclohexenes (2007-03-27),
2. 6992227 - Process for producing 1, 1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane (2006-01-31),
3. 6972344 - Method of producing pure 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane (2005-12-06),
4. 6951966 - Orthoalkylation catalyst for phenol and process for producing orthoalkylated phenol with use thereof (2005-10-04),
5. 6875896 - Method for producing high purity 1,1-bis(4-hydroxyphenyl)cyclohexanes (2005-04-05),
6. 6720460 - Hydroxyphenyl adamantanes and process for the production of the same (2004-04-13),
7. 6673975 - Method for producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane (2004-01-06),
8. 6673974 - Process for production of 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane (2004-01-06),
9. 6673973 - Method of producing 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane (2004-01-06),
10. 6512149 - Method for removing butyl groups from butyl phenol compounds (2003-01-28),
11. 6326522 - Process for production of 1,3-di(2-p-hydroxyphenyl-2-propyl)benzene (2001-12-04),
12. 6313351 - Process for producing alicyclic monoketones and process for producing alicyclic diketones (2001-11-06),

Title: Kenji Ekawa: Innovator in Chemical Engineering

Introduction

Kenji Ekawa is a prominent inventor based in Wakayama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of materials for synthetic resins and photoresists. With a total of 12 patents to his name, Ekawa's work has had a substantial impact on various industries.

Latest Patents

Among his latest patents is the invention of 4,4'-dihydroxyphenyl bicyclohexenes. This innovation is useful as a material for liquid crystal polyester, polycarbonate, polyurethane, and other synthetic resins, as well as for photoresist applications in display elements and semiconductors. The process involves thermally decomposing 4,4,4′4′-tetrahydroxyphenyl bicyclohexanes, preferably in the presence of an alkali catalyst. Another notable patent is the process for producing 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane. This process includes reacting phenol with 3,3,5-trimethylcyclohexanone in the presence of an acid catalyst, followed by the separation and crystallization of the resulting phenol adduct crystals.

Career Highlights

Kenji Ekawa is currently employed at Honshu Chemical Industry Co., Ltd. His work at this company has allowed him to further his research and development efforts in chemical processes and materials. His innovative approaches have led to advancements that benefit various sectors, including electronics and materials science.

Collaborations

Throughout his career, Ekawa has collaborated with notable colleagues such as Kazuhiko Yao and Toru Nakaguchi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Kenji Ekawa's contributions to chemical engineering and his innovative patents demonstrate his commitment to advancing technology in his field. His work continues to influence the development of new materials and processes that are essential for modern applications.

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