Location History:
- Shizuoka, JP (1996)
- Hamamatsu, JP (1995 - 2024)
Company Filing History:
28 out of 2,921 
2 out of 134 
2 out of 126 
Years Active: 1995-2025
Title: Koei Yamamoto: A Pioneer in Photodetection Technologies
Introduction
Koei Yamamoto, an innovative inventor based in Hamamatsu, Japan, has made significant contributions to the field of photodetection technologies. With an impressive portfolio of 29 patents, Yamamoto has established himself as a leading figure in the development of advanced photodetector devices and systems.
Latest Patents
Yamamoto's latest patents showcase cutting-edge technologies in photodetector devices. One notable invention is a photodetector device featuring avalanche photodiodes two-dimensionally arranged on a compound semiconductor layer, accompanied by a quenching element connected in series to the photodiodes. This device includes an avalanche photodiode array substrate formed from a compound semiconductor, with multiple avalanche photodiodes arranged to operate in a Geiger mode, providing enhanced light detection capabilities.
Another significant patent is for a light detection device that incorporates a semiconductor substrate with a one-dimensionally distributed plurality of pixels. This device features avalanche photodiodes arranged to operate in Geiger mode, alongside a series of quenching resistors connected to the respective photodiodes. A signal processing unit is also included, which processes output signals from the avalanche photodiodes, allowing for advanced light detection with high precision.
Career Highlights
Throughout his career, Yamamoto has worked with esteemed companies such as Hamamatsu Photonics K.K. and Hamamatsu Photonics Kabushiki Kaisha. His expertise in photodetection technology has greatly impacted the development and improvement of various optical devices used in different applications.
Collaborations
Yamamoto has collaborated with talented individuals in the field, including Terumasa Nagano and Kazuhisa Yamamura. These partnerships have fostered innovation and led to the creation of groundbreaking technologies that have advanced the industry.
Conclusion
Koei Yamamoto's inventive prowess and dedication to advancing photodetection technologies have established him as a key player in the field. With 29 patents to his name, his work continues to influence the way light detection devices function today and holds promise for the future of optical innovations.
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.