Location History:
- Togane, JA (1976)
- Mobara, JA (1976)
- Tougane, JP (1980 - 1985)
- Tohgane, JP (1984 - 1985)
- Togane, JP (1979 - 1990)
Company Filing History:
18 out of 42,485 
4 out of 217 
Years Active: 1976-1990
Title: Masaaki Yamauchi: A Pioneer in Cathode Ray Technology
Introduction
Masaaki Yamauchi is an innovative inventor based in Togane, Japan, recognized for his significant contributions to the field of cathode ray tube (CRT) technology. With a remarkable portfolio of 18 patents, Yamauchi has developed advanced solutions that enhance the performance and capabilities of electron beam systems.
Latest Patents
Among his latest innovative patents, Yamauchi's first invention is an "Electron beam focusing device for use in a CRT." This device features a unique design incorporating a first and a second conductor film positioned on the inner surface of the CRT's neck portion. These films are separated by a predetermined distance, connected through a resistive conductor film. By stabilizing the surface potential of the resistive conductor film, the invention creates an electrostatic lens with a consistent electric field, significantly improving electron beam focusing.
Additionally, Yamauchi invented an "Electron gun for cathode-ray tube," which features an enhanced structure where the longitudinal middle portion of a focusing electrode is enlarged in diameter. This design integrates an accelerating electrode within the enlarged section, optimizing electron acceleration and contributing to better CRT performance.
Career Highlights
Masaaki Yamauchi has spent a considerable portion of his career at prestigious companies such as Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His work at these organizations has enabled him to lead pioneering projects that significantly impact the electronics industry.
Collaborations
Throughout his career, Yamauchi has collaborated with esteemed colleagues including Shoji Shirai and Masakazu Fukushima. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas that have propelled CRT technology forward.
Conclusion
Masaaki Yamauchi's contributions to cathode ray technology through his numerous patents exemplify his status as a leading inventor. His groundbreaking work continues to influence the development of electronic devices, ensuring his legacy as a key player in the evolution of CRT technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.