This inventor holds 41 USPTO granted patents, primarily in Liquid Crystals. Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1990-2009.
Location History:
- Minami-ashigara, JP (1991 - 2001)
- Kanagawa, JP (1990 - 2008)
- Tokyo, JP (2009)
- Ashigara-kami-gun, JP (2009)
Company Filing History:
35 out of 16,458 
6 out of 16,893 
Years Active: 1990-2009
Areas of Expertise:
Title: Atsuhiro Ohkawa: Pioneering Innovations in Liquid Crystalline Compounds
Introduction
Atsuhiro Ohkawa is a notable inventor from Kanagawa, Japan, recognized for his significant contributions to the field of liquid crystal technology. With an impressive portfolio of 41 patents, his innovative work has had a substantial impact on the development of liquid crystalline compositions.
Latest Patents
Atsuhriro Ohkawa's latest patents include groundbreaking advancements in liquid crystalline compounds and compositions. One of his recent inventions is a liquid crystalline composition that merges various compositions capable of demonstrating distinct liquid crystal phases. This composition is designed to exhibit a biaxial liquid crystal phase and includes components that showcase both positive and negative birefringence properties. Notably, the composition incorporates a rectangular plate-like compound.
Another significant patent involves a new liquid crystal compound featuring two condensed and substituted rings. This compound preferably consists of a five-membered heterocyclic ring, which can be condensed with either a benzene ring or an aromatic six-membered heterocyclic ring. The incorporation of substituent groups with cyclic and chain structures enhances its utility in creating thin phase retarder applications. This innovation allows for the straightforward production of a wide-ranging λ/4 plate, essential for producing inverse wavelength distribution.
Career Highlights
Atsuhriro Ohkawa has had an illustrious career, having worked with prestigious companies such as Fuji Photo Film Company, Limited and Fujifilm Corporation. His tenure at these organizations provided him with the environment to engage in transformative research and development relating to liquid crystalline technologies.
Collaborations
Throughout his career, Atsuhriro has collaborated with esteemed colleagues, including Keiji Mihayashi and Tatsuhiko Obayashi. These partnerships have contributed to a rich exchange of ideas and innovations, further enhancing the exploration and development of liquid crystal applications.
Conclusion
Atsuhriro Ohkawa stands out as an influential figure in the realm of inventions related to liquid crystalline compounds. With a robust collection of patents and a history of collaboration with leading professionals in the industry, his work continues to shape advancements in liquid crystal technology. His contributions signify a commitment to innovation that is crucial for the ongoing evolution of this specialized field.