This inventor holds 8 USPTO granted patents. Top assignee: Hamamatsu-Photonics K.k.. Active years: 1997-2018.
Company Filing History:
Years Active: 1997-2018
Title: The Innovations of Yoshitaka Ishikawa
Introduction
Yoshitaka Ishikawa is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of photonics, particularly in the development of photodiodes and photodiode arrays. With a total of 8 patents to his name, Ishikawa's work has had a considerable impact on the industry.
Latest Patents
Ishikawa's latest patents focus on advanced photodiode technology. One of his notable inventions involves a p-type semiconductor substrate that features a first and second principal surface. This substrate includes a photosensitive region composed of n-type and p-type impurity regions, along with a region that can be depleted when a bias voltage is applied. An irregular asperity is formed on the second principal surface, and an accumulation layer is created on this surface, which is optically exposed to enhance performance.
Career Highlights
Throughout his career, Ishikawa has been associated with Hamamatsu Photonics K.K., a leading company in the field of optical and photonic devices. His innovative work has contributed to the advancement of technologies that are essential in various applications, including imaging and sensing.
Collaborations
Ishikawa has collaborated with several talented individuals in his field, including Akira Sakamoto and Kazuhisa Yamamura. These collaborations have fostered a creative environment that has led to groundbreaking advancements in photonics.
Conclusion
Yoshitaka Ishikawa's contributions to the field of photonics through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced optical technologies.