Location History:
- Ome, JP (1989 - 1991)
- Tokyo, JP (1991)
- Ohme, JP (1990 - 1994)
- Iruma, JP (2001 - 2009)
Company Filing History:
17 out of 42,496 
1 out of 21 Years Active: 1989-2009
Title: **Masato Hamamoto: A Pioneer in Semiconductor Device Innovations**
Introduction
Masato Hamamoto, a prominent inventor hailing from Ohme, Japan, holds an impressive portfolio of 17 patents in the field of semiconductor technology. His significant contributions to the industry have made a remarkable impact on device performance and functionality.
Latest Patents
Hamamoto's latest patents include innovative designs for semiconductor devices and integrated circuits. One notable patent describes a semiconductor device featuring a multitude of npn-type bipolar transistors strategically arranged on a semiconductor layer over an insulation layer. These transistors are configured in parallel to create multiple desired bipolar transistors, with deep trench isolation surrounding them to ensure thermal stability.
Another significant patent details a semiconductor integrated circuit that employs a CMOS configuration. This circuit connects n-type and p-type wells with supply lines through switching transistors, allowing for controlled thermal runaway during testing. By managing the potentials applied to these wells, the integrated circuit achieves stability and enhanced performance, effectively minimizing fluctuations in latch-up phenomena and operation speeds.
Career Highlights
Throughout his career, Masato Hamamoto has been associated with notable companies, including Hitachi, Ltd. and Hitachi Information Technology Co., Ltd. His work at these organizations has driven advancements in semiconductor technologies and integrated circuit design.
Collaborations
Hamamoto has collaborated with esteemed colleagues such as Toshio Yamada and Tohru Kobayashi. These partnerships have fostered innovation and have been instrumental in furthering research and development in semiconductor solutions.
Conclusion
Masato Hamamoto's contributions to the field of semiconductor devices and integrated circuits are a testament to his ingenuity and commitment to technological advancement. With a robust portfolio of patents, he continues to influence the landscape of modern electronics, paving the way for future innovations.