Location History:
- Yokohama, JA (1976 - 1978)
- Yokohama, JP (1979 - 1992)
Company Filing History:
7 out of 52,751 
3 out of 681 
2 out of 2,916 
Years Active: 1976-1992
Title: **Innovative Contributions of Shoichi Matsumoto in Liquid Crystal Technology**
Introduction
Shoichi Matsumoto, an accomplished inventor based in Yokohama, Japan, has made significant strides in the field of liquid crystal technology. With a total of 13 patents to his name, Matsumoto is recognized for his innovative designs and insights that have advanced the performance and functionality of liquid crystal display devices.
Latest Patents
Among his notable patents, Matsumoto's inventions include a **liquid crystal display device**. This device incorporates a birefringence control type liquid crystal display unit, featuring a pair of substrates with electrodes positioned on their first major surfaces. The design allows for precise alignment of liquid-crystal molecules at a slight pretilt angle when there is no voltage applied, enhancing the visual performance. Additionally, the device circuit enables multiplex operation of the liquid crystal device. Another significant invention is the **ferroelectric liquid crystal display device** equipped with equalizing means. This unique light crystal cell comprises parallel substrates housing electrodes and a ferroelectric liquid crystal composition. The inclusion of optical retardation films aids in equalizing polarization states, ensuring superior image clarity across the display.
Career Highlights
Shoichi Matsumoto's career includes vital contributions while working with renowned companies such as Toshiba Corporation and Tokyo Shibaura Electric Co., Ltd. His expertise and innovative mindset have played a pivotal role in the evolution of liquid crystal technologies, marking significant improvements in display quality and functionality.
Collaborations
Throughout his journey, Matsumoto has collaborated with esteemed colleagues like Tomiaki Yamamoto and Akio Murayama. Their collective efforts in research and development have propelled advancements in liquid crystal technology, establishing a strong foundation for future innovations.
Conclusion
In conclusion, Shoichi Matsumoto's contributions to the field of liquid crystal displays showcase his innovative spirit and technical mastery. With 13 patents under his name, his work continues to influence the electronics industry, paving the way for enhanced display technologies. As he collaborates with other experts, Matsumoto's dedication to innovation remains at the forefront of his illustrious career.