Location History:
- Inagi, JA (1977 - 1978)
- Kouriyama, JP (1984)
- Tokyo, JP (2001)
Company Filing History:
Years Active: 1977-2001
Title: **Koichiro Sumi: Innovator in Electron Gun Technology**
Introduction
Koichiro Sumi is a notable inventor based in Tokyo, Japan, recognized for his contributions to modern technology through his innovative inventions. With a total of four patents to his name, Sumi has made significant advancements in the fields of electron gun technology and electrophoretic deposition.
Latest Patents
Sumi's latest patents showcase his expertise in engineering and materials science. One of his prominent inventions is the **Electron Gun**, which features a heater incorporated in an inner sleeve. The design specifies that the inner sleeve, with an outer diameter of approximately 1.0 mm to 1.4 mm, is matched in length to the primary spiral length of the heater. This inner sleeve is carefully placed within an outer sleeve that contains a specialized structure to enhance performance. The detailed configuration allows for optimized heating and functionality, vital in many electronic applications.
Another significant patent involves a **Nonaqueous Suspension for Electrophoretic Deposition of Powders**. This innovative suspension consists of a ketonic solvent and dissolved nitrocellulose, with added powders, strong acid, and strong base. The careful balance of these components ensures a conductivity range of 1 to 30 μ/cm, facilitating efficient powder deposition processes.
Career Highlights
Koichiro Sumi's career is marked by his position at **Sony Corporation**, a global leader in electronics and technology. His work at Sony has not only contributed to the company's innovative projects but has also positioned him as a thought leader in his field.
Collaborations
Throughout his career, Sumi has collaborated with fellow innovators such as Torao Aozuka and Akio Ohkoshi. These partnerships have likely enabled the exchange of ideas and fostered an environment of creativity that is essential for technological advancements.
Conclusion
Koichiro Sumi stands out as a significant figure in the world of invention and innovation. His contributions, particularly in the realm of electron guns and electrophoretic suspensions, demonstrate his commitment to enhancing technology. As he continues his work at Sony Corporation, the impact of his inventions will likely resonate in the tech industry and inspire future inventions.