Hitachinaka, Japan

Masanori Gunji

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Hitachi-High-Technologies Corporation. Active years: 2004-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Gunji. Retrieved from https://idiyas.com/inventor/masanori-gunji

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

USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 5.9

ph-index = 2

Forward Citations = 36(Granted Patents)


Company Filing History:


Years Active: 2004-2015

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

Title: **Masanori Gunji: Innovator in Semiconductor Inspection Technology**

Introduction

Masanori Gunji, an innovative inventor based in Hitachinaka, Japan, has made significant contributions to the field of semiconductor technology. With a total of four patents to his name, Gunji has dedicated his career to developing advanced inspection methods and devices that enhance the accuracy and efficiency of semiconductor manufacturing processes.

Latest Patents

His latest inventions include a contamination inspection method and a contamination inspection device designed to detect defects in wafers, liquid crystal substrates, and related media with high precision. The invention involves a contamination inspection device that features an irradiation optical system to direct lights onto the inspection target substrate, complemented by a spatial filter that effectively shades diffracted lights. The spatial filter is composed of multiple light shading materials, along with a control mechanism that adjusts parameters such as shape, angle, and interval, allowing for highly customized inspection capabilities.

Another notable patent details a probe storage container that ensures probes in prober apparatuses remain uncontaminated by atmospheric air. This innovative container allows for the removal of an oxide film from the probe’s leading edge using a dry treatment involving an ion source. This method enables safe probe replacement and attachment, preventing damage and maintaining the integrity of measurements taken on semiconductor devices.

Career Highlights

Masanori Gunji is currently associated with Hitachi High-Technologies Corporation, where his work focuses on advancing semiconductor inspection processes. His innovative approaches have not only improved the quality of semiconductor production but have also streamlined operations to enhance overall productivity in manufacturing environments.

Collaborations

Throughout his career, Gunji has collaborated with talented colleagues such as Goroku Shimoma and Tadashi Otaka, contributing to the development of groundbreaking technologies in the field. These collaborations have played a vital role in the successful execution of his patented innovations, demonstrating the importance of teamwork in driving advancements in technology.

Conclusion

Masanori Gunji's contributions to semiconductor inspection technology through his patents have positioned him as a key figure in the industry. His dedication to enhancing the efficiency and accuracy of manufacturing processes reflects the ongoing importance of innovation in the ever-evolving field of technology. As he continues to develop new solutions, Gunji remains a pivotal asset to the semiconductor community, inspiring future advancements in the industry.

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…