This inventor holds 2 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho, Shin-Etsu Chemical Co., Ltd.. Active years: 1989-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 38,912 
1 out of 1,153 
1 out of 5,989 
Years Active: 1989-1995
Title: **Yasuhiro Ohtsuka: A Pioneer in Liquid Crystalline Innovations**
Introduction
Yasuhiro Ohtsuka is a notable inventor based in Toyota, Japan. With a total of two patents to his name, he has made significant contributions to the field of liquid crystalline materials. His innovative work has caught the attention of the scientific and industrial communities alike.
Latest Patents
Ohtsuka's latest patents include the development of liquid crystalline organopolysiloxanes and advanced liquid crystal compositions. The organopolysiloxane he developed features a general formula that suggests new possibilities in material applications. Additionally, his patent involving a birefringent plate is particularly noteworthy, as it includes a transparent substrate and an obliquely evaporated film. This innovative film is designed to be free from visual angle dependence by utilizing a multilayer composition where neighboring layers possess different evaporation directions. Furthermore, Ohtsuka's manufacturing method for the birefringent plate employs a device consisting of a vacuum chamber and a crucible with numerous inclined through holes, allowing for uniform film thickness.
Career Highlights
Throughout his career, Yasuhiro Ohtsuka has worked for well-respected companies, notably Toyota Jidosha Kabushiki Kaisha and Toyota Chuo Kenkyusho. His tenure at these institutions has provided him with a solid foundation in both research and application of innovative technologies in the automotive and materials sectors.
Collaborations
Ohtsuka has collaborated with esteemed colleagues such as Shigeki Hamaguchi and Tomoyoshi Motohiro. These partnerships have greatly enriched his work, contributing to the advancements in liquid crystal technologies and their practical applications.
Conclusion
In conclusion, Yasuhiro Ohtsuka stands out as an influential figure in the field of liquid crystalline materials. His patents reflect a deep understanding of the science behind these innovations, as well as a commitment to advancing the industry. As he continues his work, his contributions are likely to play a significant role in the evolution of material science and engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile