This inventor holds 3 USPTO granted patents. Top assignees: Nec Electronics Corporation, Nec Corporation, Sumitomo Chemical Company, Limited. Active years: 2003-2005.
Location History:
- Tokyo, JP (2003)
- Kanagawa, JP (2005)
- Minato-ku, JP (2005)
Company Filing History:
2 out of 2,467 
1 out of 36,653 
1 out of 6,959 Years Active: 2003-2005
Title: Tatsuya Koito: Innovator in Semiconductor Device Technology
Introduction
Tatsuya Koito, an accomplished inventor based in Minato-ku, Japan, has made significant contributions to the field of semiconductor device technology. With a total of three patents to his name, his innovations have paved the way for advancements in efficient semiconductor manufacturing processes.
Latest Patents
One of Tatsuya Koito's latest patents is a preparation process for semiconductor devices. This invention addresses the challenges of removing residues generated after selectively removing low-dielectric-constant films, such as Silicon Oxycarbide (SiOC), without causing damage to insulating or metal films. Koito's method uses a fluoride-free weak alkaline amine stripper to effectively eliminate these residues after forming an interconnect trench. The process is completed with a rinsing step utilizing isopropyl alcohol, ensuring the wafer is dried without the need for pure water.
Another important patent from Koito is focused on a stripping composition. This composition consists of at least one alcohol containing an ether bond as component (a), alongside an anticorrosive as component (b). Among the preferred substances for component (a) are furfuryl alcohol and tetrahydrofurfuryl alcohol, demonstrating Koito’s commitment to developing efficient and innovative chemical formulations for semiconductor processing.
Career Highlights
Throughout his career, Tatsuya Koito has been associated with reputable companies such as NEC Electronics Corporation and Sumitomo Chemical Company, Limited. His work at these organizations has allowed him to collaborate on a variety of projects, directly influencing the evolution of semiconductor technologies.
Collaborations
Koito has collaborated with accomplished industry professionals, including Hidemitsu Aoki and Keiji Hirano. These partnerships have fostered an environment of creativity and mutual growth, enabling Koito to further refine his inventions and patent applications.
Conclusion
Tatsuya Koito's innovative spirit and dedication to the semiconductor industry exemplify the role of inventors in shaping technological advancements. His work not only contributes to the efficiency of semiconductor manufacturing processes but also underscores the importance of collaboration and continuous innovation in the field.