Location History:
- Fukui, JP (1991 - 1995)
- Sabae, JP (1998 - 1999)
- Fukushima-ken, JP (2000)
- Nishishirakawa, JP (2015)
Company Filing History:
Years Active: 1991-2015
Title: The Innovations of Toshiharu Uesugi
Introduction
Toshiharu Uesugi is a prominent inventor based in Fukushima-ken, Japan. He has made significant contributions to the field of silicon single crystal manufacturing, holding a total of 7 patents. His work focuses on improving the efficiency and quality of silicon crystal production, which is crucial for various technological applications.
Latest Patents
Uesugi's latest patents include a method and apparatus for manufacturing silicon single crystals. The first patent describes a silicon single crystal manufacturing method that utilizes a horizontal magnetic field applied Czochralski method. This innovative approach allows for the pulling of a single crystal while minimizing fluctuations in diameter and oxygen concentration. The method involves measuring the center position of the magnetic field and adjusting it in relation to the pulling member. This adjustment is made to ensure consistent quality during the manufacturing process.
Another notable patent outlines a method for producing a silicon single crystal by gradually increasing the pulling rate during the formation of the tail part of the crystal. This technique aims to improve productivity and yield by preventing rapid temperature changes that can lead to defects in the crystal structure.
Career Highlights
Toshiharu Uesugi is associated with Shin-Etsu Handotai Co., Ltd., a leading company in the semiconductor industry. His work has been instrumental in advancing the methods used for silicon crystal production, which is vital for the manufacturing of electronic components.
Collaborations
Uesugi has collaborated with notable colleagues, including Atsushi Iwasaki and Tetsuhiro Oda. Their combined expertise has contributed to the development of innovative solutions in the field of crystal manufacturing.
Conclusion
Toshiharu Uesugi's contributions to silicon single crystal manufacturing have significantly impacted the semiconductor industry. His innovative methods and patents continue to enhance the quality and efficiency of crystal production, showcasing his dedication to advancing technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.