Location History:
- Hyogo, JP (2000 - 2003)
- Tokyo, JP (2001 - 2011)
- Kanagawa, JP (2018)
Company Filing History:
4 out of 21,351 
4 out of 7,529 
4 out of 3,781 
Years Active: 2000-2018
Title: Innovations of Tatsuo Kasaoka
Introduction
Tatsuo Kasaoka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His work focuses on improving semiconductor devices and their manufacturing processes.
Latest Patents
Kasaoka's latest patents include a semiconductor device and a manufacturing method that effectively reduces the influence of inter-wiring capacitance, even as photoelectric conversion elements are miniaturized. This innovation involves a plurality of transfer transistors, each containing a photoelectric conversion element and a signal output section. Additionally, he has developed a method of manufacturing semiconductor devices that utilizes both a normal photomask and a phase shift mask for defining interconnect patterns. This method includes several steps, such as preparing masks, stacking wiring layers, and forming openings in the interlayer insulating film.
Career Highlights
Throughout his career, Kasaoka has worked with notable companies, including Mitsubishi Electric Corporation and Renesas Electronics Corporation. His experience in these organizations has allowed him to refine his expertise in semiconductor technology and contribute to various innovative projects.
Collaborations
Kasaoka has collaborated with several talented individuals in the field, including Atsushi Hachisuka and Atsushi Amo. These collaborations have further enhanced his work and led to advancements in semiconductor technology.
Conclusion
Tatsuo Kasaoka's contributions to semiconductor technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative approaches continue to influence the development of advanced semiconductor devices.