Company Filing History:
Years Active: 2002-2003
Title: Kazuhiko Yoshikawa: Innovator in Liquid Crystal Display Technology
Introduction
Kazuhiko Yoshikawa is a prominent inventor based in Kamakura, Japan. He is known for his contributions to the field of liquid crystal display technology. With a total of 2 patents, Yoshikawa has made significant advancements that enhance the functionality and efficiency of display devices.
Latest Patents
Yoshikawa's latest patents include a liquid crystal display device and its driving method. This innovative device is capable of displaying in multiple colors, utilizing a typical monochrome liquid crystal driving integrated circuit (IC). The display portion features a letter display area for single-color text and a mark display area for a variety of colors. The method involves supplying scanning signals to the scanning electrodes for the letter display and data signals for the mark display.
Another notable patent is for a colorful timepiece that operates with low power consumption and development costs. This timepiece incorporates a birefringence color liquid crystal display device and a driving module within a case. It includes a time display area that shows normal time in a single color and a mark display area that can display multiple colors. The driving module is designed to supply scanning signals to the time display portion and data signals to the mark display portion.
Career Highlights
Kazuhiko Yoshikawa is currently employed at Citizen Watch Company, Ltd., where he continues to innovate in the field of display technology. His work has contributed to the development of advanced liquid crystal displays that are both efficient and versatile.
Collaborations
Yoshikawa collaborates with Yasushi Kaneko, a fellow innovator in the field. Together, they work on projects that push the boundaries of liquid crystal technology.
Conclusion
Kazuhiko Yoshikawa's contributions to liquid crystal display technology have made a significant impact in the industry. His innovative patents reflect his commitment to enhancing display devices for various applications.