Location History:
- Sayama, JP (1991 - 1992)
- Tokorozawa, JP (1985 - 2002)
- Saitama, JP (2002)
- Tokyo, JP (2001 - 2007)
Company Filing History:
11 out of 2,002 
1 out of 450 Years Active: 1985-2007
Title: Masaaki Matsunaga - Innovator in Liquid Crystal Technology
Introduction
Masaaki Matsunaga is a renowned inventor based in Tokyo, Japan, known for his significant contributions to liquid crystal technology. With an impressive portfolio that includes a total of 12 patents, Matsunaga has created innovative devices that enhance the capabilities of liquid crystal applications.
Latest Patents
Among his latest patents are two noteworthy inventions. The first is a **liquid crystal exposure device**, which features a color light source emitting multiple colored light beams. This device incorporates a liquid crystal shutter composed of several liquid crystal pixels arranged orthogonally to the direction of relative movement. The innovative design allows for dynamic switching of the color light source and synchronized operation of the liquid crystal pixels in a time-division manner.
The second patent is the **liquid crystal shutter**, which consists of a nematic liquid crystal sealed between two transparent substrates, each equipped with transparent electrodes. This liquid crystal device has a twisted angle greater than 180 degrees and utilizes polarizing plates with orthogonal absorption axes to control light transmission. The specific configuration of the polarizing films provides unique capabilities in managing light properties, making it a valuable asset in various applications.
Career Highlights
Masaaki Matsunaga has had a successful career, working with well-known companies such as Citizen Watch Company, Ltd. and Citizen Holdings Company, Ltd. His expertise in liquid crystal technology has not only led to numerous patents but has also significantly advanced the field.
Collaborations
Throughout his career, Matsunaga has collaborated with talented colleagues, including Sadao Masubuchi and Masafumi Yokoyama. These partnerships have enabled the sharing of knowledge and ideas, resulting in innovative solutions that continue to influence the industry.
Conclusion
Masaaki Matsunaga's dedication to innovation and excellence in liquid crystal technology is evident through his prolific patent portfolio and impactful collaborations. As a leading inventor, he has transformed possibilities within the realm of liquid crystals, paving the way for future advancements in technology.