Location History:
- Chiba, JP (1989)
- Mobara, JP (1991 - 2014)
Company Filing History:
3 out of 42,496 
2 out of 217 
1 out of 5,670 
Years Active: 1989-2014
Title: The Innovations of Sakae Ishii
Introduction
Sakae Ishii, a prominent inventor based in Mobara, Japan, has made significant contributions to the fields of liquid crystal displays and cathode ray tubes. With a total of seven patents to his name, Ishii's work reflects groundbreaking innovations that enhance visual technology.
Latest Patents
Among Sakae Ishii's notable inventions are a liquid crystal display device and a liquid crystal lens. The liquid crystal display device allows for three-dimensional viewing capabilities through a specially designed liquid crystal lens. This device ensures that both mechanical strength and liquid crystal lens effects are achieved by bonding the lens onto an upper polarizing plate of the display panel using a bonding material. The innovative design features an upper substrate with a thickness greater than that of the lower substrate and the display panel itself, enabling enhanced durability and visual performance.
Another significant patent is that of a color cathode ray tube. This invention includes an electron gun comprised of cathode structures aligned with a cup-shaped first grid electrode. These structures are electrically insulated and hermetically fixed in place. The design contributes to uniform thermal deformation, allowing for equalized cathode currents during startup, which ultimately leads to improved color balance on the screen.
Career Highlights
Throughout his career, Sakae Ishii has contributed his expertise to notable companies such as Hitachi, Ltd. His time in the industry has undoubtedly shaped the evolution of display technology.
Collaborations
Ishii has collaborated with esteemed coworkers, including Satoru Miyamoto and Yoshiaki Takahashi. Together, they have pushed the boundaries of innovation in their respective fields, bolstering advancements in electronic display technologies.
Conclusion
Sakae Ishii’s inventive spirit and dedication have resulted in advancements that continue to impact the industry. With his notable patents and numerous contributions, Ishii stands as a significant figure in the realm of visual technology innovation.