Location History:
- Machida, JP (1998 - 2014)
- Yokohama, JP (1995 - 2020)
- Tokyo, JP (2010 - 2024)
Company Filing History:
44 out of 1,438 
1 out of 147 
1 out of 832,680 Years Active: 1995-2025
Title: The Innovative Contributions of Yasuo Toko in Liquid Crystal Technology and Vehicular Lighting
Introduction: Yasuo Toko, a prominent inventor based in Tokyo, Japan, has made significant strides in the field of liquid crystal technology and vehicular lighting systems. With an impressive portfolio of 44 patents, Toko's innovations have enhanced the functionality and efficiency of various devices, particularly in lighting apparatuses and optical elements.
Latest Patents: Among Yasuo Toko's latest patents are groundbreaking inventions such as a liquid crystal element designed to feature multiple alignment domains with a simplified structure. This innovative liquid crystal element consists of a first and a second substrate, a liquid crystal layer positioned between the two, and a sealing material equipped with an injection port. The ingenious design incorporates two alignment films, each possessing an alignment regulating force directed in one direction on the surface contacting the liquid crystal layer.
Additionally, the liquid crystal layer is described to have a high polymer density in its first region, which is closer to the injection port, exhibiting a pretilt angle opposite to the alignment regulating force. In contrast, the second region, situated further from the injection port, has a pretilt angle aligned with the regulating force.
Toko has also invented a vehicular lamp featuring a polarization rotation element strategically placed within the optical path of the secondary light from a second reflector towards a Polarizing Beam Splitter (PBS). Notably, both the first and second lights, when focused towards the liquid crystal element, converge at a shared condensing point, showcasing Toko's adeptness in optical engineering.
Career Highlights: Throughout his distinguished career, Yasuo Toko has made substantial contributions while being associated with notable companies, including Stanley Electric Co., Ltd. His technical expertise and innovative mindset have been pivotal in driving advancements in the lighting industry and in enhancing vehicular lamp systems.
Collaborations: Yasuo Toko has collaborated with talented coworkers such as Takashi Sugiyama and Yoshifumi Takao. Together, they have pushed the boundaries of innovation and contributed to the development of cutting-edge technologies within their field.
Conclusion: Yasuo Toko stands out as a visionary inventor whose work continues to influence advancements in liquid crystal technology and vehicular lighting systems. His impressive collection of patents reflects his dedication to innovation and his role in shaping the future of these vital technologies.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.