Kanagawa, Japan

Katsuhiro Chaki

This inventor holds 1 USPTO granted patent. Top assignee: Toshiba Ceramics Co., Ltd.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Chaki. Retrieved from https://idiyas.com/inventor/katsuhiro-chaki-owh0ux38

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Katsuhiro Chaki: Innovator in Silicon Wafer Manufacturing

Introduction

Katsuhiro Chaki is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor manufacturing, particularly in the production of silicon wafers. His innovative approach has led to the development of a unique manufacturing method that enhances the quality and efficiency of silicon wafers.

Latest Patents

Katsuhiro Chaki holds 1 patent for his invention titled "Manufacturing method of a silicon wafer having a controlled BMD." This patent outlines a heat history initializing step, where heat treatment is performed in an atmosphere that includes at least one of hydrogen, helium, and argon. The temperature is increased within a range of 700°C to 1,000°C at a rate of 15°C to 1,000°C per minute. Additionally, in the controlled nuclei growing step, a heat treatment is conducted in the same atmosphere while maintaining a constant temperature between 850°C and 980°C for a duration of 0.5 to 60 minutes.

Career Highlights

Katsuhiro Chaki is associated with Toshiba Ceramics Co., Ltd., where he applies his expertise in semiconductor technology. His work has been instrumental in advancing the manufacturing processes of silicon wafers, which are critical components in various electronic devices.

Collaborations

Throughout his career, Katsuhiro has collaborated with esteemed colleagues such as Ping Xin and Kenro Hayashi. These partnerships have fostered innovation and contributed to the success of their projects in the semiconductor industry.

Conclusion

Katsuhiro Chaki's contributions to silicon wafer manufacturing exemplify the spirit of innovation in the technology sector. His patented methods are paving the way for advancements in semiconductor production, showcasing the importance of research and development in this field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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