Location History:
- Kadoma, JP (2009)
- Katano, JP (1998 - 2010)
- Osaka, JP (2010)
Company Filing History:
3 out of 27,375 
3 out of 16,453 
1 out of 31 Years Active: 1998-2010
Title: Katsuyoshi Yamashita: Innovator in Plasma Display Technology
Introduction
Katsuyoshi Yamashita is a prominent inventor based in Katano, Japan. He has made significant contributions to the field of plasma display technology, holding a total of 8 patents. His innovative approaches have led to advancements in panel brightness and longevity, making him a key figure in this industry.
Latest Patents
Yamashita's latest patents include a method of producing a plasma display panel with a protective layer of an alkaline earth oxide. The first objective of this invention is to enhance panel brightness by improving the efficiency of conversion from discharge energy to visible rays. The second objective aims to extend the panel's life by enhancing the protective layer that safeguards the dielectric glass layer. To achieve these goals, the invention specifies a discharge gas composition and pressure that significantly improves panel performance. Additionally, the protective layer is designed to resist sputtering, thereby contributing to the durability of the display.
Another notable patent is related to a plasma display device that features a first and second plate with a discharge space in between. This design includes a sealing member that prevents gas leakage and a diffusion preventive layer to avoid electrode damage. Such innovations are particularly beneficial when using silver in the electrodes, as they mitigate potential failures.
Career Highlights
Yamashita has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the display sector.
Collaborations
Throughout his career, Yamashita has collaborated with talented individuals, including Masaki Aoki and Yasuhisa Ishikura. These partnerships have fostered a creative environment that has led to the development of innovative solutions in plasma display technology.
Conclusion
Katsuyoshi Yamashita's contributions to plasma display technology have significantly impacted the industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing display technology. His work continues to influence the future of plasma displays, ensuring improved performance and longevity.