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For the Inventor, By the Inventor

Kobe, Japan

Takuya Nakajima

This inventor holds 4 USPTO granted patents. Top assignee: Senju Pharmaceutical Co., Ltd.. Active years: 1999-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuya Nakajima. Retrieved from https://idiyas.com/inventor/takuya-nakajima-claafcn4

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:

goldMedal4 out of 229 
 
Senju Pharmaceutical Co., Ltd.
 patents

Years Active: 1999-2003

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4 patents (USPTO):Explore Patents
1. 6545058 - Ophthalmic compositions for soft contact lens, method of enhancing wettability of soft contact lens, and method of inhibiting terpenoid adsorption (2003-04-08),
2. 6479556 - Ophthalmic compositions for soft contact lens, method of enhancing wettability of soft contact lens and method of inhibiting terpenoid adsorption (2002-11-12),
3. 6432893 - Method for removal of protein from contact lenses (2002-08-13),
4. 5994405 - Agent for contact lenses (1999-11-30),

Title: Takuya Nakajima: Innovator in Ophthalmic Compositions

Introduction

Takuya Nakajima is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of ophthalmic compositions, particularly in the development of soft contact lenses. With a total of 4 patents to his name, Nakajima's work focuses on enhancing the performance and comfort of contact lenses.

Latest Patents

Among his latest patents are innovative solutions aimed at improving soft contact lenses. His inventions include an ophthalmic composition for soft contact lenses that contains a terpenoid as an active ingredient. Additionally, he has developed a method for enhancing the wettability of soft contact lenses by bringing terpenoid into contact with them. Another notable invention is a method for inhibiting terpenoid adsorption onto soft contact lenses by adding polyoxyethylene sorbitan ester to the ophthalmic composition. These advancements are designed to improve the wettability of soft contact lenses, thereby reducing discomfort and maintaining water content during wear.

Career Highlights

Takuya Nakajima is associated with Senju Pharmaceutical Co., Ltd., where he continues to innovate in the field of ophthalmic products. His work has been instrumental in addressing common issues faced by contact lens users, such as dryness and discomfort.

Collaborations

He has collaborated with notable colleagues, including Koji Doi and Hisayuki Nakayama, to further enhance the development of ophthalmic compositions.

Conclusion

Takuya Nakajima's contributions to the field of ophthalmic compositions demonstrate his commitment to improving the quality of life for contact lens users. His innovative patents reflect a deep understanding of the challenges faced in this area and provide effective solutions.

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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