This inventor holds 15 USPTO granted patents and 3 EPO patents. Top assignees: Shiseido Company, Limited, Mitsubishi Chemical Corporation, Nissan Motor Company Limited. Active years: 1992-2025.
Location History:
- Yokohama, JP (1993 - 2020)
- Kanagawa, JP (1992 - 2022)
- Fuji, JP (2022)
- Chiyoda-ku, JP (2023 - 2024)
Company Filing History:
5 out of 1,039 
4 out of 2,422 
4 out of 13,420 
Years Active: 1992-2025
Title: Takumi Watanabe: Innovator in Polyorganosiloxane Technology
Introduction
Takumi Watanabe is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of polyorganosiloxane technology, holding a total of 15 patents. His innovative work has led to advancements in materials that exhibit high elasticity and strength.
Latest Patents
Watanabe's latest patents include a range of groundbreaking inventions. These include polyorganosiloxane, polyorganosiloxane composition, cured products, and polyorganosiloxane-containing electrolytic solutions for electrolytic capacitors. His work on these materials focuses on enhancing their properties, such as elasticity and strength, by manipulating the molecular structure. For instance, his polyorganosiloxane may include an M unit (RRRSiO) at a content of 10 mol. % or more relative to the total silicon, and a T unit (RSiO) at a content of 80 mol. % or less. Additionally, he has developed thermoplastic resin compositions that incorporate flame retardants and organopolysiloxanes, showcasing his versatility in material science.
Career Highlights
Throughout his career, Watanabe has worked with notable companies, including Shiseido Company, Limited and Ohi Seisakusho Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in the field of materials science.
Collaborations
Watanabe has collaborated with esteemed colleagues such as Hiroshi Yamazaki and Noriaki Terada. These partnerships have fostered a creative environment that has led to innovative solutions and advancements in their respective fields.
Conclusion
Takumi Watanabe's contributions to polyorganosiloxane technology and materials science are noteworthy. His extensive patent portfolio and collaborations highlight his role as a leading inventor in this domain. His work continues to influence the development of advanced materials that meet modern technological demands.