This inventor holds 15 USPTO granted patents and 10 published patent applications and 16 EPO patents, primarily in Ferroelectric Thin Films. Top assignee: Mitsubishi Materials Corporation. Active years: 2015-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Naka, JP (2015 - 2018)
- Naka-gun, JP (2015 - 2020)
Company Filing History:
Years Active: 2015-2020
Areas of Expertise:
Title: **Toshihiro Doi: Innovator in Piezoelectric Materials**
Introduction
Toshihiro Doi, an accomplished inventor based in Naka-gun, Japan, holds an impressive portfolio of 15 patents. His contributions primarily focus on piezoelectric materials, making significant strides in the field through his innovative approaches and detailed processes for production.
Latest Patents
Among his latest patents, Toshihiro Doi has developed a piezoelectric PTZT film, which utilizes a metal oxide with a perovskite structure that includes lead (Pb), tantalum (Ta), zirconium (Zr), and titanium (Ti). This film is further enhanced by the inclusion of carbon, with a precise mass content ranging between 80 to 800 ppm. The patented process for producing a liquid composition for forming this piezoelectric film involves a series of refluxing steps where various alkoxides and compounds are methodically combined to yield the desired liquid composition.
Additionally, he has introduced a composition for forming a cesium-doped PZT-based piezoelectric film. This composition contains PZT-based precursors along with diol and polyvinylpyrrolidone, focusing on achieving specific metal atom ratios and concentrations for optimal performance in piezoelectric applications.
Career Highlights
Toshihiro Doi’s career is marked by his role at Mitsubishi Materials Corporation, where he has made significant contributions to research and development in advanced materials. His innovative work has not only garnered patents but has also set new benchmarks in the field of piezoelectric materials and components.
Collaborations
Throughout his career, Toshihiro has collaborated with notable colleagues such as Nobuyuki Soyama and Hideaki Sakurai. These collaborations exemplify the spirit of teamwork and knowledge sharing that fuels the innovation process within the research community.
Conclusion
Toshihiro Doi's work exemplifies the critical role of inventors in advancing technology. His developments in piezoelectric materials not only highlight his expertise but also contribute to the broader understanding and application of these materials in various industries. With a strong foundation built through collaboration and innovation, Doi continues to shape the future of material science.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile