This inventor holds 8 USPTO granted patents and 1 EPO patent. Top assignees: Seiko Precision Inc., Shinshu University, Japan as Represented by the Director General of Agency of Shinshu University. Active years: 1999-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ueda-shi, Nagano, JP (1999)
- Kanagawa-ken, JP (2001)
- Osakasayama-shi, Osaka, JP (2004)
- Chiba, JP (2011)
- Nagano, JP (2012)
- Ueda, JP (2006 - 2013)
Company Filing History:
2 out of 254 
2 out of 128 
1 out of 1 
Years Active: 1999-2013
Title: **Toshihiro Hirai: Innovator in Polymer Technology**
Introduction
Toshihiro Hirai, an accomplished inventor based in Ueda, Japan, has made significant contributions to the field of polymer technology with a focus on dielectric materials and polymeric actuators. With a total of 8 patents, his innovative work stands out in various applications ranging from variable focal length lenses to imaging devices.
Latest Patents
Hirai's latest patents reflect his expertise and creativity in the field. One notable patent is for a **dielectric material for a polymeric actuator**. This invention involves a dielectric material containing a block copolymer with a microphase-separated structure composed of two immiscible polymer blocks. The main component of both blocks is a (meth)acrylic ester unit, which is designed to enhance the performance of the actuator when driven by an electric field.
Another significant patent is for a **variable focal length lens**, along with a focal length adjusting device and an imaging apparatus utilizing the same technology. This invention employs layers made of polyvinyl chloride, where the lens's curvature—and therefore the focal length—can be adjusted through applied voltage between electrodes. This innovation has far-reaching implications for optical technologies and imaging systems.
Career Highlights
Throughout his career, Hirai has worked with notable companies, including Seiko Precision Inc. His dedication to advancing polymer technologies has been pivotal in his development as an innovator in this industry. His 8 patents reflect a commitment to enhancing both the functionality and efficiency of products in the market.
Collaborations
Hirai has collaborated with esteemed coworkers such as Takeshi Kinoshita and Yasushi Kurita. This collaborative spirit has fostered an environment of creativity and innovation, further propelling the field of polymer technology.
Conclusion
Toshihiro Hirai is a prominent figure in the realm of polymer innovations. His impactful patents not only highlight his technical ingenuity but also contribute to the advancement of practical applications in various technologies. As he continues to push the boundaries of what is possible with polymeric materials, the potential for future innovations remains vast.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile