This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignees: Matsumoto Yushi-Seiyaku Co., Ltd., The Yokohama Rubber Co., Ltd.. Active years: 2011-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hiratsuka, JP (2011)
- Kanagawa, JP (2013)
Company Filing History:

Years Active: 2011-2013
Title: The Innovations of Takamasa Kitamura
Introduction
Takamasa Kitamura is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of tire technology, holding two patents that showcase his innovative approach to rubber compositions.
Latest Patents
His latest patents include a pneumatic tire design that features a tread rubber made from a unique rubber composition. This composition contains 100 parts by weight of a diene rubber, 30 to 100 parts by weight of a reinforcing filler, which includes at least 10 parts by weight of silica, and 1 to 20 parts by weight of microcapsules. These microcapsules encapsulate a heat-expandable substance, with a vapor pressure of 1.4 to 3.0 MPa at 150°C. The average diameter of the microcapsules before vulcanization is between 20 to 30 micrometers, expanding to 40 to 80 micrometers after vulcanization. Additionally, he has developed a rubber composition for tires that includes a heat-expandable microcapsule capable of generating gas and nonpolar oil when heated.
Career Highlights
Throughout his career, Takamasa Kitamura has worked with prominent companies such as The Yokohama Rubber Co., Ltd. and Matsumoto Yushi-seiyaku Co., Ltd. His work has significantly impacted the tire industry, particularly in enhancing the performance and durability of tires.
Collaborations
He has collaborated with notable coworkers, including Kenichi Kitano and Makio Mori, contributing to various innovative projects in the field.
Conclusion
Takamasa Kitamura's contributions to tire technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in rubber compositions and tire performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile