Location History:
- Ichinomiya, JP (2001 - 2002)
- Nagoya, JP (2008)
- Handa, JP (2004 - 2022)
Company Filing History:
14 out of 4,920 
1 out of 832,880 Years Active: 2001-2022
Title: The Innovative Mind of Tetsuya Kawajiri
Introduction
Tetsuya Kawajiri is a prominent inventor based in Handa, Japan, known for his significant contributions to semiconductor manufacturing technologies. With an impressive portfolio of 15 patents, Kawajiri has established himself as a knowledgeable figure in the field of materials science and engineering.
Latest Patents
Among Kawajiri's latest innovations is a member for semiconductor manufacturing apparatuses, which features a ceramic electrostatic chuck and a cooling plate. These components are bonded together using a thermosetting sheet composed of a cured epoxy-acrylic adhesive. This adhesive contains a unique combination of an epoxy resin capable of hydrogen transfer type polyaddition, an acrylate or methacrylate polymer, and a curing agent.
Another notable patent from Kawajiri describes a method for manufacturing a joined body, consisting of a terminal made of molybdenum or titanium that is coated with nickel, gold, or a combination thereof. This terminal is joined to a ceramic member made of alumina or aluminum nitride through a specialized joint layer. This joint layer, which includes materials such as gold, tin, silver, copper, and titanium, features a titanium-rich interface with the ceramic member, boasting a controlled porosity of 0.1 to 15%.
Career Highlights
Throughout his career, Tetsuya Kawajiri has worked with various reputable companies, including NGK Insulators, Inc. His experiences in these organizations have significantly influenced his inventive journey and contributed to the development of cutting-edge technologies in semiconductor applications.
Collaborations
Kawajiri's work has often involved collaboration with other skilled professionals. Notable coworkers include Kazuhiro Nobori and Tomoyuki Minami, who have undoubtedly contributed to the innovative endeavors in which Kawajiri has been involved.
Conclusion
Tetsuya Kawajiri's impressive array of patents demonstrates his dedication to pushing the boundaries of technology in semiconductor manufacturing. His unique approaches and collaborative efforts continue to pave the way for advancements in the industry, solidifying his status as an innovative pioneer in his field.