Location History:
- Kanagawa, JP (2001)
- Kawasaki, JP (1998 - 2014)
- Tokyo, JP (2002 - 2017)
Company Filing History:
14 out of 2,530 
2 out of 1,819 
2 out of 5 
Years Active: 1998-2017
Title: The Innovative Contributions of Takamitsu Kawahara
Introduction
Takamitsu Kawahara is a prominent inventor based in Kawasaki, Japan, recognized for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 16 patented inventions, Kawahara has played a pivotal role in advancing manufacturing methods for semiconductor substrates, enhancing their efficacy and performance.
Latest Patents
Among his latest innovations is a patented method for manufacturing semiconductor substrates that involves irradiating the surfaces of first and second semiconductor layers with specific types of impurities under vacuum conditions. This innovative process not only entails bonding the surfaces of these semiconductor layers in a vacuum but also incorporates a heat treatment phase aimed at refining the impurity concentration profile. Another notable invention pertains to a manufacturing technique that ensures a robust bonded interface without the formation of an oxide layer, utilizing the formation of amorphous layers. This meticulous approach allows for the creation of a semiconductor substrate that combines high bonding strength with optimal surface characteristics.
Career Highlights
Over the course of his career, Kawahara has worked with notable companies, including Hoya Corporation and Toyota Jidoshokki, where he contributed his expertise in semiconductor development. His work has been instrumental in shaping advanced manufacturing techniques that are critical to the semiconductor industry.
Collaborations
Kawahara's collaborative efforts have further enhanced his innovations. He has worked alongside esteemed colleagues such as Kuniaki Yagi and Hiroyuki Nagasawa, pooling their expertise to push the boundaries of what is possible in semiconductor technology.
Conclusion
Takamitsu Kawahara's innovative spirit and dedication to advancing semiconductor technology have left a lasting impact on the industry. His patents not only highlight his inventiveness but also serve as a foundation for future developments in semiconductor substrates, ensuring that his contributions will be felt for years to come.