Tutomu Tojyou is a notable inventor based in Chousei-gun, Japan. He has made significant contributions to the field of electron gun technology, particularly in the development of color cathode ray tubes. With a total of five patents to his name, Tojyou's work has had a lasting impact on display technology.

Latest Patents

One of Tojyou's latest patents is focused on a color cathode ray tube featuring a low dynamic focus. This invention includes an electron gun that comprises a beam forming region with cathodes and a main lens formed of multiple electrodes. The design allows for the deflection of outer electron beams toward the center electron beam, enhancing the overall image quality. Another patent details a color cathode ray tube that incorporates a correction lens for image field curvature, ensuring that the plurality of electron beams is accurately focused in both horizontal and vertical directions.

Career Highlights

Tutomu Tojyou has been associated with Hitachi, Ltd., where he has played a crucial role in advancing cathode ray tube technology. His innovative designs have contributed to the improvement of image clarity and focus in electronic displays.

Collaborations

Tojyou has collaborated with notable coworkers such as Shoji Shirai and Shinichi Kato, who have also contributed to advancements in the field of display technology.

Conclusion

Tutomu Tojyou's work in the development of color cathode ray tubes has significantly influenced the electronics industry. His innovative patents continue to shape the future of display technology.

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