This inventor holds 2 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Shimadzu Corporation, Tohoku University. Active years: 2013-2016.
Company Filing History:
2 out of 3,682 
2 out of 1,048 
Years Active: 2013-2016
Title: Ryuta Hirose: Innovator in Photodiode Technology
Introduction
Ryuta Hirose is a prominent inventor based in Kizugawa, Japan. He has made significant contributions to the field of photodiode technology, holding a total of 2 patents. His work focuses on enhancing the performance of photodiodes for various applications, particularly in spectrometric measurements.
Latest Patents
Hirose's latest patents include a photodiode array for spectrometric measurements and a solid-state image sensor. The photodiode array patent describes a configuration where multiple photodiodes are arranged in a one-dimensional form and divided into groups. Each group features a unique antireflection coating designed to maximize transmittance for specific wavelengths of light. This innovative design aims to improve transmittance while simplifying the manufacturing process.
The solid-state image sensor patent outlines a novel structure where a floating diffusion region is strategically placed at the edge of the light-receiving surface of an embedded photodiode. This design incorporates a transfer gate electrode and creates an electric field that enhances the movement of signal charges, thereby reducing charge-transfer time. Additionally, the proximity of circuit elements to the floating diffusion region minimizes parasitic capacitance, resulting in a highly sensitive sensor.
Career Highlights
Throughout his career, Ryuta Hirose has worked with notable organizations, including Shimadzu Corporation and Tohoku University. His experience in these institutions has allowed him to refine his expertise in photodiode technology and contribute to various research projects.
Collaborations
Hirose has collaborated with esteemed colleagues such as Hideki Tominaga and Kenji Takubo. These partnerships have fostered innovation and advancement in the field of photodiodes.
Conclusion
Ryuta Hirose's contributions to photodiode technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in spectrometric measurements and solid-state imaging.