Hamamatsu, Japan

Hiroaki Ishii

This inventor holds 5 USPTO granted patents. Top assignee: Hamamatsu-Photonics K.k.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Ishii. Retrieved from https://idiyas.com/inventor/hiroaki-ishii-kztots5o

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 80.0

Average Co-Inventor Count = 5.9

ph-index = 1


Company Filing History:


Years Active: 2025-2026

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Hiroaki Ishii: Innovator in Image Sensor Technology

Introduction

Hiroaki Ishii is a prominent inventor based in Hamamatsu, Japan. He is known for his contributions to the field of image sensor technology. With a focus on enhancing the performance of image sensors, Ishii has made significant strides in this area.

Latest Patents

Ishii holds a patent for a multiplying image sensor. This innovative device includes a semiconductor layer with a first surface and a second surface, along with a wiring layer on the second surface. The semiconductor layer features a plurality of pixels arranged along the first surface. Each pixel consists of a first semiconductor region and a second semiconductor region, which is divided for each pixel. Additionally, a well region is formed in the second semiconductor region, contributing to the pixel circuit. The design allows for an avalanche multiplication region, enhancing the sensor's capabilities.

Career Highlights

Ishii is associated with Hamamatsu Photonics K.K., a company renowned for its advancements in optical technologies. His work has been instrumental in developing high-performance imaging solutions that cater to various applications.

Collaborations

Ishii has collaborated with notable colleagues, including Mitsuhito Mase and Jun Hiramitsu. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Hiroaki Ishii's innovative work in image sensor technology exemplifies the impact of dedicated inventors in advancing optical solutions. His contributions continue to influence the field and inspire future developments.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…