Location History:
- Tokyo, JP (2013)
- Fukuoka-ken, JP (2013 - 2015)
- Oita-ken, JP (2016)
Company Filing History:
Years Active: 2013-2016
Title: Hiroshi Shimomura: Innovator in Light Receiving Technologies
Introduction
Hiroshi Shimomura is a prominent inventor based in Fukuoka-ken, Japan. He has made significant contributions to the field of light receiving technologies, holding a total of 5 patents. His work focuses on developing advanced devices that enhance the efficiency and functionality of light receiving elements.
Latest Patents
Among his latest patents, one notable invention is a light receiving element and optically coupled insulating device. This device includes a semiconductor layer, an insulating layer, an interconnect layer, and a film. The semiconductor layer features a light receiving unit that converts incident signal light into an electrical signal. The insulating layer is positioned on the semiconductor layer, while the interconnect layer is placed on the insulating layer. The film, made of metal or metal nitride, covers the light receiving unit and connects to the interconnect layer.
Another significant patent is the light receiving circuit. This circuit comprises a MOSFET, a first light receiving element, and a second light receiving element. The first light receiving element controls the MOSFET's state between ON and OFF by applying a voltage induced by a light signal. The second light receiving element is responsible for controlling the threshold voltage of the MOSFET.
Career Highlights
Hiroshi Shimomura is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of light receiving devices, making them more efficient and reliable.
Collaborations
Throughout his career, Shimomura has collaborated with notable colleagues, including Masaru Numano and Miki Hidaka. These partnerships have contributed to the successful development of his patented technologies.
Conclusion
Hiroshi Shimomura is a distinguished inventor whose work in light receiving technologies has led to several important patents. His contributions continue to impact the field, showcasing the importance of innovation in advancing technology.