This inventor holds 1 USPTO granted patent. Top assignees: Dainippon Ink and Chemicals, Incorporated, Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1998.
Company Filing History:
1 out of 630 
1 out of 776 
Years Active: 1998
Title: Haruyoshi Takatu: Innovator in Optical Technology
Introduction
Haruyoshi Takatu is a notable inventor based in Higasiyamato, Japan. He has made significant contributions to the field of optical technology, particularly with his innovative designs and patents.
Latest Patents
One of Takatu's key inventions is a polymeric optical low-pass filter. This filter is of the birefringent type, which is lightweight and compact, making it easy to produce. The optical low-pass filter comprises an optically anisotropic polymer film, where the displacement distance S between the ordinary ray and the extraordinary ray is represented by the formula of 1-70 µm. This invention showcases Takatu's ability to blend functionality with practicality in optical devices.
Career Highlights
Throughout his career, Takatu has worked with prominent companies such as Kureha Kagaku Kogyo Kabushiki Kaisha and Dainippon Ink and Chemicals, Incorporated. His experience in these organizations has allowed him to refine his skills and contribute to various projects in the optical technology sector.
Collaborations
Takatu has collaborated with notable colleagues, including Masuhiro Shouji and Takeo Ogihara. These partnerships have likely enriched his work and led to further advancements in his field.
Conclusion
Haruyoshi Takatu's contributions to optical technology, particularly through his polymeric optical low-pass filter, highlight his innovative spirit and dedication to advancing the industry. His work continues to influence the development of optical devices, showcasing the importance of creativity in technology.