Location History:
- Kumamoto, JP (1991)
- Sencho, JP (1992)
Company Filing History:
2 out of 10,317 
1 out of 85 
1 out of 10 Years Active: 1991-1992
Title: Innovations by Inventor Chizo Yamaguchi
Introduction
Chizo Yamaguchi, a talented inventor based in Kumamoto, Japan, has made significant contributions to the field of semiconductor technology. With a total of two patents to his name, Yamaguchi has developed innovative methods and apparatuses that advance the efficiency and effectiveness of semiconductor processing.
Latest Patents
Chizo Yamaguchi's latest patents include a "Method for Heat-Processing Semiconductor Device" and an intriguing "Coating Apparatus." The method for heat-processing involves a CPU that stores information regarding the time-temperature relationship, applicable for either heating a semiconductor wafer to a specific hold temperature for a determined period or cooling it from that temperature over a similar interval. This process incorporates a conductive thin film that heats the wafer based on the provided information. A sensor plays a critical role by detecting the wafer's temperature, while a control system adjusts the heating or cooling accordingly, ensuring precise temperature management.
The coating apparatus enhances the treatment process of substances by incorporating a gas exhaust rate controller within an exhaust pipe connected to a treatment cup. The apparatus features a branch pipe to measure the fluid flow speed; this measurement informs the exhaust rate controller's operation based on the treatment state of the object.
Career Highlights
Throughout his career, Chizo Yamaguchi has worked with esteemed organizations such as Tokyo Electron Limited and its subsidiary, Tokyo Electron Kyushu Limited. His experience at these companies has allowed him to refine his skills in semiconductor fabrication and processing technologies.
Collaborations
Yamaguchi has had the privilege of collaborating with notable coworkers—including Hiroyuki Sakai and Kimiharu Matsumura—who have played significant roles in his professional journey, contributing to the successful development of his inventions.
Conclusion
Chizo Yamaguchi continues to innovate in the field of semiconductor technology, with his patents reflecting a commitment to enhancing manufacturing processes. His work has the potential to contribute significantly to advancements in electronics, making him a key figure in the industry.