Location History:
- Niihama, JP (1997 - 2006)
- Ehime, JP (2023)
Company Filing History:
3 out of 1,183 
1 out of 929 
1 out of 466 
Years Active: 1997-2023
Title: Shigeharu Ochi: Innovator in Liquid Target Devices and Brightness Limitation Systems
Introduction
Shigeharu Ochi is a notable inventor based in Niihama, Japan, recognized for his contributions to technology through his eight patents. His work primarily focuses on advancements in liquid target devices and systems for automatic brightness limitation in television circuits.
Latest Patents
One of Ochi's latest patents is a liquid target device, which features a liquid accommodation portion designed to hold a target liquid. This device includes a beam passage that allows a charged particle beam from a particle accelerator to reach the liquid accommodation area. It also incorporates a target foil that separates the beam passage from the liquid accommodation portion, along with a vacuum foil that creates a barrier between the vacuum region and the beam passage. Additionally, the device is equipped with two gas chambers for cooling, separated by an intermediate foil, enhancing its operational efficiency.
Another significant patent by Ochi is the automatic brightness limitation system, which is utilized in television circuits. This system prevents the black reference voltage level and video signal from entering a minimum signal clipping zone. It provides precise correction signals to limit brightness, ensuring a constant black reference voltage level while maintaining a dynamic video signal amplitude. The circuit detects the minimum signal level from each color channel's black reference signals and generates a feedback signal to adjust the black reference signal level accordingly.
Career Highlights
Throughout his career, Shigeharu Ochi has worked with prominent companies, including Sumitomo Heavy Industries, Ltd. His innovative contributions have significantly impacted the fields of particle physics and television technology.
Collaborations
Ochi has collaborated with notable colleagues such as Ryo Takeda and Takao Ogawa, further enhancing his work through shared expertise and innovation.
Conclusion
Shigeharu Ochi's inventive spirit and dedication to technological advancement are evident in his patents and collaborations. His work continues to influence the fields of liquid target devices and brightness limitation systems, showcasing the importance of innovation in modern technology.