Kawasaki, Japan

Masahiro Chijiiwa

This inventor holds 2 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Microelectronics Limited. Active years: 2006-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Chijiiwa. Retrieved from https://idiyas.com/inventor/masahiro-chijiiwa

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


% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 2006-2009

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2 patents (USPTO):Explore Patents

Title: Masahiro Chijiiwa: Innovator in Semiconductor Image Sensors

Introduction

Masahiro Chijiiwa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor image sensors, holding a total of 2 patents. His work focuses on enhancing the sensitivity and performance of image sensors, which are crucial in various applications.

Latest Patents

Chijiiwa's latest patents include a MOS image sensor and a solid-state image sensor. The MOS image sensor features a semiconductor substrate with a matrix of pixels, designed to achieve high sensitivity and low noise output. It incorporates a charge accumulation region of a photodiode and transistors, along with silicon oxide and silicon nitride films to optimize performance. The solid-state image sensor consists of a pixel part, an analog circuit part, a digital circuit part, and an input/output circuit part. This design includes various wells and transistors that enhance its functionality.

Career Highlights

Throughout his career, Masahiro Chijiiwa has worked with prominent companies such as Fujitsu Microelectronics Limited and Fujitsu Corporation. His experience in these organizations has allowed him to develop innovative technologies that advance the field of imaging.

Collaborations

Chijiiwa has collaborated with notable colleagues, including Shigetoshi Takeda and Narumi Ohkawa. Their combined expertise has contributed to the successful development of advanced imaging technologies.

Conclusion

Masahiro Chijiiwa's contributions to semiconductor image sensors demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving image sensor technology, making a lasting impact in the field.

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]
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