Location History:
- Hyogo, JP (1998 - 2001)
- Tokyo, JP (2003 - 2012)
- Kanagawa, JP (2016)
Company Filing History:
7 out of 7,529 
6 out of 21,351 
6 out of 3,781 
Years Active: 1998-2016
Title: Toshiaki Tsutsumi: Innovator in Semiconductor Device Technology
Introduction
Toshiaki Tsutsumi, based in Tokyo, Japan, is a prominent inventor known for his significant contributions in the field of semiconductor technology. With a remarkable portfolio of 19 patents, Tsutsumi has made substantial advancements in the design and functionality of semiconductor devices, particularly focusing on oscillation circuits.
Latest Patents
Among his notable inventions is a semiconductor device that is formed by sealing a semiconductor chip, which includes an oscillation circuit utilizing a reference resistor. This innovative circuit generates a reference current that helps produce a voltage in accordance with this reference current and the oscillation frequency of the circuit. As a result, the oscillation unit operates at a frequency proportional to the generated voltage. The unique design of the reference resistor includes multiple resistors that extend in a specified direction, demonstrating Tsutsumi’s ingenuity in optimizing circuit performance.
Career Highlights
Throughout his career, Toshiaki Tsutsumi has been associated with notable companies such as Renesas Electronics Corporation and Mitsubishi Denki Kabushiki Kaisha. His work in these organizations has enabled him to develop cutting-edge semiconductor technologies that have contributed significantly to the electronics industry.
Collaborations
Tsutsumi has collaborated with esteemed colleagues, including Tomonori Okudaira and Keiichiro Kashihara. These partnerships have facilitated the exchange of ideas and expertise, further enhancing the innovation process within the semiconductor field.
Conclusion
Toshiaki Tsutsumi’s dedication to advancing semiconductor technology through his inventive spirit and collaborative efforts exemplifies the critical role inventors play in shaping the future of electronics. His patents are not just technical milestones but also represent a commitment to innovation that continues to influence the industry and inspire future inventors.