Kazuo Sunahara

Title: Kazuo Sunahara: Innovator in Electron Tube Technology

Introduction

Kazuo Sunahara is a prominent inventor based in Mobara, Japan. He has made significant contributions to the field of electron tube technology, holding a total of 5 patents. His innovative work has paved the way for advancements in electronic components.

Latest Patents

One of his latest patents is the "Oxide-coated cathode for electron tube." This invention features a base metal plate made of an alloy containing nickel as a major component, along with a high-melting point metal. The design includes an electron emissive alkaline earth metal oxide layer, which is adhered to the base metal plate. A unique carbide layer is positioned between these two layers, preventing interfacial reactions and ensuring a long electron emitting life.

Another notable patent is the "Method for vapor depositing a cerium oxide film." This method outlines a process for forming a thin film of cerium oxide, which serves as a blocking layer in photoelectric films. The deposition rate is carefully controlled to avoid particle deposition that could mar image quality, emphasizing the importance of precision in electronic manufacturing.

Career Highlights

Kazuo Sunahara is associated with Hitachi, Ltd., a leading company in technology and electronics. His work at Hitachi has allowed him to focus on developing innovative solutions that enhance the performance and longevity of electronic components.

Collaborations

Throughout his career, Sunahara has collaborated with notable colleagues, including Akira Misumi and Kiyoshi Watanabe. These partnerships have contributed to the advancement of technology in their respective fields.

Conclusion

Kazuo Sunahara's contributions to electron tube technology and his innovative patents reflect his expertise and dedication to the field. His work continues to influence advancements in electronic components, showcasing the importance of innovation in technology.