Company Filing History:
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3 out of 832,680 Years Active: 1999-2002
Title: Tsutomu Tojyo: Innovator in Cathode Ray Tube Technology
Introduction
Tsutomu Tojyo is a notable inventor based in Mobara, Japan. He has made significant contributions to the field of cathode ray tube technology, holding a total of 5 patents. His innovative designs have advanced the functionality and efficiency of color cathode ray tubes.
Latest Patents
One of Tojyo's latest patents is for a color cathode ray tube that features a panel section with a phosphor layer on its internal surface. This design includes a neck portion housing an electron gun assembly that emits three electron beams. The electron gun assembly is equipped with three cathodes and multiple grid electrodes aligned along the tube axis. Notably, the grid electrodes contain at least one plate-shaped electrode with a fixed support structure, which has bulged portions facilitating electron beam passage. The first electron beam passage hole is larger than the second, optimizing the tube's performance.
Another significant patent is for a color cathode ray tube designed to reduce coma. This invention incorporates a phosphor screen, a three-beam in-line electron gun, and a beam deflection device. A convergence correction device is strategically placed on the phosphor screen side of the electron gun. This device includes pairs of magnetic pieces that enhance the alignment of the electron beams, ensuring improved image quality.
Career Highlights
Throughout his career, Tsutomu Tojyo has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in display technology.
Collaborations
Tojyo has collaborated with notable colleagues such as Masayoshi Misono and Hiroyuki Tamura. Their teamwork has fostered innovation and led to the development of advanced technologies in the field.
Conclusion
Tsutomu Tojyo's contributions to cathode ray tube technology have significantly impacted the industry. His innovative patents and collaborations with esteemed colleagues highlight his role as a leading inventor in this field.
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.