Location History:
- Tokyo, JP (1985 - 1989)
- Yokohama, JP (1988 - 2001)
- Kanagawa-ken, JP (2001)
Company Filing History:
27 out of 52,735 
2 out of 2,916 
1 out of 11 Years Active: 1985-2001
Title: Shigeyoshi Watanabe: Pioneer in Semiconductor Innovations
Introduction
Shigeyoshi Watanabe, based in Yokohama, Japan, is a prominent inventor known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 30 patents, Watanabe has been a driving force in the development of innovative devices that have shaped modern electronics.
Latest Patents
Among his latest innovations is a patent for a dynamic random access memory device. This advanced semiconductor memory features a high integration density, which incorporates parallel word lines and bit lines formed on a substrate. The design includes a pair of bit lines with memory cells coupled to word lines and one of the bit lines in this pair. These memory cells consist of MOSFETs of submicron size, enhancing performance. Furthermore, the device features a sense amplifier section that detects and amplifies potential differences between the pair of bit lines during data readout, utilizing a BIMOS structure combining MOSFETs and bipolar transistors.
Watanabe has also developed a semiconductor device that contains a bipolar transistor, with its emitter-collector voltage set to meet specific conditions based on the applied voltage across the base and emitter. This innovation optimizes performance by managing the base current flowing through various paths in the transistor.
Career Highlights
Throughout his career, Shigeyoshi Watanabe has worked with notable companies in the technology sector, including Kabushiki Kaisha Toshiba and Tokyo Shibaura Denki Kabushiki Kaisha. His work at these organizations significantly contributed to advancements in semiconductor devices and memory technologies.
Collaborations
Watanabe has collaborated with fellow innovators such as Fujio Masuoka and Takehiro Hasegawa. Their teamwork in pioneering research has led to numerous breakthroughs and innovations in the semiconductor field, further demonstrating Watanabe's impact as an inventor.
Conclusion
Shigeyoshi Watanabe's dedication to innovation in semiconductor technology has established him as a key figure in electronics development. With a portfolio of groundbreaking patents and collaborations with other influential inventors, Watanabe continues to influence the future of memory devices and semiconductor applications.