Location History:
- Ayase, JP (1990)
- Kanagawa-ken, JP (2000)
- Yokohama, JP (1992 - 2006)
Company Filing History:
21 out of 52,722 
1 out of 1,786 Years Active: 1990-2006
Title: Innovator Kohki Takatoh: Contributions to Liquid Crystal Display Technology
Introduction
Kohki Takatoh, a prominent inventor based in Yokohama, Japan, has made significant strides in the field of display technology. With an impressive portfolio of 21 patents, Takatoh has focused his innovative efforts primarily on liquid crystal displays (LCDs) and their driving methods. His contributions have been instrumental in advancing display technology, particularly in enhancing performance through novel techniques.
Latest Patents
Among his latest inventions is a patent for a liquid crystal display and its driving method. This innovative display features a ferroelectric liquid crystal material that exhibits an asymmetric polarity response property. The design includes a section that applies an image signal to a pixel of the liquid crystal material for every two fields, thus forming one frame. Notably, Takatoh's method allows for the reversal of the polarity of the signal within a single frame period. The controller incorporated in his design selectively reverses the polarity in either of two manners. The first manner initiates a signal amplitude change from a polarity that generates a larger response from the material, while the second manner changes from a polarity yielding a smaller response. The chosen manner is designed to minimize brightness deviation in frames immediately following the transition, optimizing the display's overall performance.
Career Highlights
Kohki Takatoh has built an impressive career, having worked with reputable companies such as Toshiba Corporation and Mitsui Chemicals, Inc. His roles in these organizations have allowed him to enhance his expertise and contribute significantly to the field of electronic displays.
Collaborations
Throughout his career, Takatoh has collaborated with notable colleagues, including Tatsuo Saishu and Rieko Fukushima. These partnerships have fostered a rich exchange of ideas and innovations, further propelling advancements in liquid crystal display technology.
Conclusion
Kohki Takatoh's dedication to innovation and his significant achievements in the development of liquid crystal display technology underscore his status as a leading inventor. With 21 patents to his name, his work continues to impact the field, paving the way for future advancements in display technologies.