This inventor holds 18 USPTO granted patents and 2 published patent applications and 5 EPO patents, primarily in Adsorbent Materials. Top assignees: Lapin Create, Inc., Ricoh Company, Ltd., Resonac Corporation. Active years: 1978-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Mitaka, JP (2003 - 2012)
- Nerima-ku, JP (2015)
- Tokyo, JP (1978 - 2021)
Company Filing History:
6 out of 6 
5 out of 28,957 
2 out of 403 
Years Active: 1978-2025
Areas of Expertise:
Title: Inventor Masaru Watanabe: Pioneering Separation Materials
Introduction
Masaru Watanabe is a distinguished inventor based in Tokyo, Japan, known for his innovative contributions in the field of separation materials. With 16 patents to his name, Watanabe has made significant advancements that reflect his expertise and dedication to research and development.
Latest Patents
Watanabe's recent patents focus on novel separation materials that utilize porous polymer particles. His first patented invention involves a separation material made of porous polymer particles consisting primarily of styrene and divinylbenzene. This innovation features a coating layer containing macromolecules with hydroxyl groups that enhance the separation efficiency. The coating amount is carefully designed, ranging from 1 to 15 mg per unit specific surface area of the porous particles.
Another notable patent also centers on a similar type of separation material comprising styrene-based monomers in its polymer matrix. This invention is characterized by a coating layer made of macromolecules with hydroxyl groups, additionally featuring a specific compressive deformation modulus between 100 to 1,000 MPa and a mode diameter in the pore size distribution of 0.1 to 0.5 micrometers. These advancements in material science demonstrate Watanabe's commitment to improving separation technology.
Career Highlights
Throughout his career, Masaru Watanabe has been associated with leading companies, including Lapin Create, Inc. and Ricoh Company, Ltd. His work in these organizations has allowed him to thrive in a collaborative environment, contributing to various innovative projects aimed at enhancing technological capabilities in industry.
Collaborations
Watanabe has worked alongside notable coworkers such as Yasushi Gotoh and Michio Butsugan. Their collaborative efforts have driven the advancement of research and development, particularly in the creation of high-performance materials that push the boundaries of current technologies.
Conclusion
Masaru Watanabe's impressive portfolio of patents and his collaborative spirit highlight his role as a significant contributor to the field of separation materials. His innovations not only advance material science but also pave the way for future research and applications across various industries. Watanabe's commitment to innovation continues to inspire the next generation of inventors in Japan and beyond.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile