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For the Inventor, By the Inventor

Osaka, Japan

Takeshi Yamanaka

This inventor holds 10 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Nitto-Denko Corporation, Mitsubishi Tanabe Pharma Corporation, Tanabe Seiyaku Company, Limited. Active years: 1994-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Yamanaka. Retrieved from https://idiyas.com/inventor/takeshi-yamanaka

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

USPTO Granted Patents = 10 

% Patents Active = 80.0


Average Co-Inventor Count = 4.5

ph-index = 5

Forward Citations = 77(Granted Patents)


Location History:

  • Ibaraki, JP (2005)
  • Osaka, JP (1994 - 2011)

Company Filing History:

goldMedal8 out of 3,949 
 
Nitto-Denko Corporation
 patents
silverMedal1 out of 263 
 
Mitsubishi Tanabe Pharma Corporation
 patents
bronzeMedal1 out of 324 
 
Tanabe Seiyaku Company, Limited
 patents

Years Active: 1994-2011

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10 patents (USPTO):Explore Patents
1. 7968189 - Removable adhesive composition, removable adhesive layer, adhesive sheet, and surface protective material (2011-06-28),
2. 7390905 - Piperidine compound and process for preparing the same (2008-06-24),
3. 6869678 - Removable pressure-sensitive adhesive and adhesive sheet of the same (2005-03-22),
4. 6440553 - Printable pressure-sensitive adhesive sheet and sealing material containing same (2002-08-27),
5. 6218006 - Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheets made therefrom, and sealants, reinforcing sheets and pressure-sensitive adhesive sheets for printing produced therefrom (2001-04-17),
6. 6093464 - Pressure-sensitive adhesive composition and pressure-sensitive adhesive (2000-07-25),
7. 5629419 - Process for preparing 4-mercaptopyrrolidine intermediate compounds and a (1997-05-13),
8. 5334686 - Pressure-sensitive adhesive and adhesive sheets using the same (1994-08-02),
9. 5334447 - Foam substrate-attached adhesive sheets (1994-08-02),
10. 5290883 - Epoxy resin composition, cured product obtained therefrom, curing method (1994-03-01),

Title: Innovations of Takeshi Yamanaka

Introduction

Takeshi Yamanaka is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of adhesive technologies, holding a total of 10 patents. His work focuses on developing advanced adhesive compositions that enhance performance and usability.

Latest Patents

Among his latest patents are a removable adhesive composition, a removable adhesive layer, an adhesive sheet, and a surface protective material. The re-peeling pressure-sensitive adhesive composition he developed is designed for use on surfaces with photocatalytic layers. This composition includes a (meth)acryl-based polymer with specific monomer units, ensuring excellent re-peeling properties, contact-angle recoverability, and weather resistance.

Career Highlights

Takeshi Yamanaka has worked with notable companies such as Nitto Denko Corporation and Mitsubishi Tanabe Pharma Corporation. His experience in these organizations has allowed him to refine his expertise in adhesive technologies and contribute to innovative solutions in the industry.

Collaborations

He has collaborated with esteemed colleagues, including Masahiko Ando and Yasuyuki Tokunaga. These partnerships have fostered a creative environment that has led to the development of groundbreaking adhesive products.

Conclusion

Takeshi Yamanaka's contributions to adhesive technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative approaches continue to influence the industry and pave the way for future advancements.

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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