Location History:
- Kodaira, JP (1981 - 1987)
- Nishitama, JP (1986 - 1987)
- Hirai, Hinode-machi, Nishitama-gun, Tokyo, JP (1994)
- Hinode, JP (1990 - 1995)
- Stanford, CA (US) (1986 - 1996)
- Hinode-machi, JP (1997)
Company Filing History:
21 out of 42,485 
1 out of 149 
1 out of 182 
Years Active: 1981-1997
Title: Takaaki Hagiwara: Innovator in Semiconductor Technology
Introduction
Takaaki Hagiwara, based in Stanford, CA, is a prominent inventor known for his pioneering work in semiconductor technology. With an impressive portfolio of 22 patents, he has made significant advancements that have propelled the efficiency and functionality of semiconductor devices.
Latest Patents
Among his latest innovations, Hagiwara has developed a method of making an EPROM with peripheral transistors. This invention discloses an EEPROM which enhances the erasing voltage applied during data write cycles. It does this by increasing the avalanche breakdown voltage between the source region and the semiconductor substrate to improve erasing efficiency. The structure employed strengthens the electric field at the edge of the drain region, enabling the generation of hot carriers to boost writing efficiency. Another noteworthy patent concerns a semiconductor device featuring aligned semiconductor regions, aimed at optimizing memory circuit design. This invention facilitates a more efficient memory array configuration, thereby reducing word line length and enhancing operational speeds, especially during reading.
Career Highlights
Hagiwara has worked with renowned companies such as Hitachi, Ltd. and Hitachi Microcomputer Engineering, Ltd., contributing to groundbreaking projects in the semiconductor field. His expertise and innovative mindset have played a pivotal role in the advancement of technology in these organizations.
Collaborations
During his career, Takaaki Hagiwara has collaborated with esteemed colleagues such as Yuji Yatsuda and Shinichi Minami. Their joint efforts have led to significant developments in semiconductor technology, resulting in patents that have shaped the industry.
Conclusion
Takaaki Hagiwara stands out as a key figure in semiconductor innovation, with a track record that showcases his commitment to enhancing technology through inventive solutions. His contributions continue to influence the design and efficiency of semiconductor devices, ensuring a lasting impact on the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.