Kashiba, Japan

Takeshi Tsuda

This inventor holds 5 USPTO granted patents and 2 EPO patents. Top assignees: Jtekt Corporation, Eneos Corporation, Hitachi Chemical Company, Ltd.. Active years: 2003-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Tsuda. Retrieved from https://idiyas.com/inventor/takeshi-tsuda-t18hkat0

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

Calculating rank

% Patents Active = 60.0


Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Tondabayashi, JP (2003)
  • Osaka, JP (2010)
  • Kashiba, JP (2008 - 2024)

Company Filing History:


Years Active: 2003-2024

Loading Chart...
Loading Chart...
5 patents (USPTO):Explore Patents

Title: Innovations of Takeshi Tsuda

Introduction

Takeshi Tsuda is a notable inventor based in Kashiba, Japan. He has made significant contributions to the field of lubrication technology, particularly through his innovative grease compositions. With a total of 5 patents to his name, Tsuda's work has had a considerable impact on various industrial applications.

Latest Patents

Among his latest patents, Tsuda has developed a grease composition that includes a base oil, a thickener, a zinc sulfonate, a polysulfide, an overbased calcium sulfonate, and triphenyl phosphite. This composition specifies that the proportion of zinc sulfonate with respect to the total mass of the base oil and thickener is between 0.030 mass % to 0.045 mass % in terms of zinc content. Additionally, the polysulfide proportion is set at 0.16 mass % to 0.24 mass % in terms of sulfur content, while the overbased calcium sulfonate is between 0.010 mass % to 0.015 mass % in terms of calcium content. The triphenyl phosphite proportion is defined as 0.24 mass % to 0.36 mass %. Another significant patent involves a grease composition that includes a poly-α-olefin base oil with a kinematic viscosity of 15 to 50 mm/s at 40°C, a diurea thickener, and an organically modified inorganic additive comprising sepiolite and bentonite.

Career Highlights

Takeshi Tsuda has worked with prominent companies in the industry, including Jtekt Corporation and Koyo Seiko Company, Ltd. His experience in these organizations has allowed him to refine his expertise in lubrication technology and contribute to the development of advanced products.

Collaborations

Throughout his career, Tsuda has collaborated with talented individuals such as Hirokazu Arai and Yurie Hagino. These partnerships have fostered innovation and have been instrumental in the successful development of his patented technologies.

Conclusion

Takeshi Tsuda's contributions to the field of lubrication technology through his innovative grease compositions highlight his role as a significant inventor. His patents reflect a commitment to advancing industrial applications and improving product performance.

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]
Loading…