Location History:
- Hyogo, JP (1992 - 1999)
- Ibo-gun, JP (1999)
Company Filing History:
2 out of 1,165 
2 out of 3 
1 out of 1 
Years Active: 1992-1999
Title: Innovations of Yoshio Onisawa
Introduction
Yoshio Onisawa is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of lens technology, holding a total of 5 patents. His work primarily focuses on the development of advanced plastic lenses.
Latest Patents
One of Yoshio Onisawa's latest patents is for a plastic lens and the method of producing the same. This innovation involves a plastic lens that features a first acrylic hard coated layer on the outside surface and an antifogging coated layer on the inside surface, interposed by a second acrylic hard coated layer. The process includes coating both sides of a plastic lens base with an acrylic hard coating agent, masking the outside surface with a peelable masking agent, and applying an antifogging agent to the inside surface. The masking layer is then removed, allowing for the final product to be created using ultraviolet-curable resin compositions.
Career Highlights
Yoshio Onisawa has worked with prominent companies such as Daicel Chemical Industries, Ltd. and Daicel Abosisangyo Co. His experience in these organizations has contributed to his expertise in lens technology and innovation.
Collaborations
Throughout his career, Yoshio has collaborated with notable coworkers, including Yoshinobu Yukinaga and Mitsunobu Haga. These partnerships have likely enhanced his inventive processes and led to successful outcomes in his projects.
Conclusion
Yoshio Onisawa's contributions to the field of lens technology through his patents and collaborations highlight his innovative spirit and dedication to advancing this area of research. His work continues to influence the development of high-quality plastic lenses.