This inventor holds 22 USPTO granted patents, primarily in Semiconductor Processing. Top assignees: Tokyo Electron Limited, Tokyo Electron Sagami Limited, Tel Sagami Limited. Active years: 1990-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fujino, JP (1990 - 1993)
- Kanagawa, JP (1992 - 1995)
- Kanagawa-ken, JP (1996 - 1997)
- Tsukui-gun, JP (2001)
- Fujino-machi, JP (2001 - 2002)
Company Filing History:
9 out of 10,904 
8 out of 51 
5 out of 33 
Years Active: 1990-2002
Areas of Expertise:
Title: Innovations of Katsumi Ishii: A Leader in Substrate Processing Technology
Introduction
Katsumi Ishii, an accomplished inventor based in Fujino, Japan, holds an impressive portfolio of 22 patents. His innovations focus primarily on processing technology, particularly in the realm of thermal processing furnaces for substrates. This article delves into his latest patents, career highlights, and notable collaborations.
Latest Patents
Ishii's recent inventions include a processing unit and method for substrates, featuring a vertical thermal processing furnace. This innovative system includes a bottom opening and a specialized boat capable of holding substrates in vertical multistairs. The design allows the first lid to efficiently open and close the furnace's opening, facilitating the placement and removal of the boat. The inclusion of a boat-placing portion and an advanced conveying mechanism demonstrates his commitment to improving processing efficiency. Notably, the second lid is engineered to hermetically close the opening, minimizing temperature fluctuations and energy wastage when the first lid opens.
Career Highlights
Throughout his career, Katsumi Ishii has made significant contributions to the semiconductor and substrate processing industries. He has worked with notable companies, including Tokyo Electron Limited and Tokyo Electron Sagami Limited. His expertise and innovative spirit have established him as a key figure in the development of advanced processing technologies.
Collaborations
Ishii has collaborated with esteemed colleagues such as Hisashi Kikuchi and Takanobu Asano. These partnerships have fostered a collaborative environment that promotes creativity and innovation, leading to the success of various projects and patents in the substrate processing field.
Conclusion
Katsumi Ishii's contributions to substrate processing are marked by his continuous pursuit of innovation and efficiency. With 22 patents to his name, his work remains influential in the semiconductor industry. As technology advances, Ishii's inventions will surely continue to inspire future developments in processing methodologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile