This inventor holds 5 USPTO granted patents. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Nakagawa Sangyo Kabushiki Kaisha, Yutaka Giken Co., Ltd.. Active years: 1977-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawagoe, JA (1977)
- Kawagoe, JP (1988)
- Saitama, JP (1994 - 1998)
Company Filing History:

Years Active: 1977-1998
Title: The Innovative Contributions of Takeshi Tsukahara
Introduction
Takeshi Tsukahara is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engineering, particularly in the design of vehicle components and sound reduction technologies. With a total of 5 patents to his name, Tsukahara's work reflects a commitment to innovation and practical solutions.
Latest Patents
One of Tsukahara's latest patents is a silencer and process for producing the same. This innovative silencer features a porous inner pipe with numerous small pores, surrounded by an outer pipe. It incorporates a sound-absorbing material in the annular clearance between the two pipes, along with multiple exhaust gas expansion chambers. This design effectively prevents sound leakage and short-circuiting of exhaust gases, thereby maintaining engine power performance. Another significant patent is a body frame for vehicles, particularly straddle-type vehicles like motorcycles and motorized tricycles. This body frame includes a reinforcement tongue that enhances the connection between the head tube and the down tube, ensuring structural integrity and strength.
Career Highlights
Throughout his career, Tsukahara has worked with prominent companies such as Honda and Yutaka Giken Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Tsukahara has collaborated with talented individuals in the industry, including Tsutomu Takeuchi and Kikuo Murase. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Takeshi Tsukahara's contributions to engineering and innovation are noteworthy. His patents demonstrate a blend of creativity and practicality, addressing real-world challenges in vehicle design and sound reduction. His work continues to influence the industry and inspire future inventors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile