Location History:
- Yokohama, JP (1981)
- Odawara, JP (1991)
Company Filing History:
2 out of 42,535 
1 out of 1 Years Active: 1981-1991
Title: The Innovative Contributions of Atushi Takeyama
Introduction
Atushi Takeyama is a notable inventor based in Odawara, Japan. He has made significant contributions to the field of electronics, particularly in the development of deflection yokes for television receivers. With a total of two patents to his name, Takeyama's work has had a lasting impact on the industry.
Latest Patents
Takeyama's latest patents include the "Deflection Yoke" and the "Self-Converging Deflection Yoke." The Deflection Yoke patent describes a ring magnetic sub-core with multiple protrusions that enhances convergence performance while reducing barrel distortion. This innovation allows for the consistent improvement of both aspects by incorporating an auxiliary vertical deflection coil. The Self-Converging Deflection Yoke patent focuses on a design that eliminates misconvergence and pincushion distortion in television picture tubes. It features a vertical deflection coil with a larger winding angle on the electron gun side, which forms a strong barrel magnetic field. This design ensures that the raster scanned on the faceplate remains distortion-free.
Career Highlights
Throughout his career, Atushi Takeyama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Mizusawa Electric Co., Ltd. His experience in these organizations has contributed to his expertise in electronic innovations.
Collaborations
Takeyama has collaborated with notable coworkers, including Toshiharu Shimizu and Takesuke Maruyama. Their combined efforts have further advanced the field of electronic engineering.
Conclusion
Atushi Takeyama's contributions to the field of electronics, particularly through his innovative patents, have significantly influenced the design and functionality of television receivers. His work continues to be relevant in the ongoing evolution of electronic technology.