This inventor holds 12 USPTO granted patents. Top assignees: Tokyo Electron Limited, Tokyo Electron Kyushu Limited, Intel Corporation. Active years: 1995-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kikuchi, JP (1995 - 1999)
- Ozu-Machi, JP (2010)
- Kumamoto, JP (2009 - 2023)
Company Filing History:



Years Active: 1995-2026
Title: Masatoshi Shiraishi: Innovator in Substrate Processing Technologies
Introduction
Masatoshi Shiraishi is a prominent inventor based in Kumamoto, Japan. He has made significant contributions to the field of substrate processing, holding a total of 12 patents. His work focuses on innovative methods that enhance the efficiency and effectiveness of plating processes.
Latest Patents
One of his latest patents is a substrate processing method for forming a plating film in a recess. This method involves preparing a substrate with a recess and a seed layer, forming a plating inhibiting film, and subsequently forming a plating film within the recess. The process ensures that the recess is filled with the plating film by bringing the substrate into contact with a plating liquid after the plating inhibiting film is applied.
Another notable patent is related to a separation method, computer storage medium, and separation system. This invention describes a process for separating a superposed wafer into a processing target wafer and a supporting wafer while applying heat. The method includes removing adhesive and oxide films from the joint surface of the processing target wafer using organic solvents and acetic acid, followed by an inspection of the joint surface.
Career Highlights
Masatoshi Shiraishi has worked with notable companies in the semiconductor industry, including Tokyo Electron Limited and Tokyo Electron Kyushu Limited. His experience in these organizations has allowed him to develop and refine his innovative techniques in substrate processing.
Collaborations
Throughout his career, Shiraishi has collaborated with esteemed colleagues such as Masatoshi Deguchi and Shinji Okada. These partnerships have contributed to the advancement of technology in their field.
Conclusion
Masatoshi Shiraishi's contributions to substrate processing technologies have made a significant impact in the industry. His innovative patents and collaborations reflect his dedication to advancing the field. His work continues to influence the development of efficient processing methods in semiconductor manufacturing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile