Kusatsu, Japan

Masaki Shimoyama

This inventor holds 4 USPTO granted patents. Top assignees: Matsushita Electric Industrial Co., Ltd., Yokogawa Imt Corporation Matsushita Electric Industrial Co., Ltd.. Active years: 1997-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Shimoyama. Retrieved from https://idiyas.com/inventor/masaki-shimoyama

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 23(Granted Patents)


Location History:

  • Kusatsu-shi, JP (1998)
  • Kusatsu, JP (1997 - 1999)

Company Filing History:


Years Active: 1997-1999

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

Title: Masaki Shimoyama: Innovator in Photo Detection Technology

Introduction

Masaki Shimoyama is a notable inventor based in Kusatsu, Japan. He has made significant contributions to the field of photo detection technology, holding a total of 4 patents. His innovative work focuses on enhancing the functionality and efficiency of photo semiconductor elements.

Latest Patents

One of his latest patents involves a photo detector that features a photo semiconductor element covered by a cap with an incident window. This design allows incident light to penetrate through a translucent member, enabling the photo semiconductor element to detect the quantity of light. The translucent member is specifically made to suppress the transmission of light components with wavelengths less than 700 nm and greater than 900 nm. This innovation allows the photoelectric current output of the semiconductor to be controlled by the incident light. Another patent describes a plurality of photo-detectors, each equipped with a photosensitive semiconductor and an individually selected light-transmitting member. This member compensates for variations in the photosensitive semiconductor, ensuring that it provides an output current within a selected range based on the predetermined quantity of light.

Career Highlights

Masaki Shimoyama has worked with prominent companies in the technology sector, including Matsushita Electric Industrial Co., Ltd. and Yokogawa IMT Corporation. His experience in these organizations has contributed to his expertise in photo detection technologies and semiconductor applications.

Collaborations

Throughout his career, Shimoyama has collaborated with notable colleagues such as Shuichi Kodama and Kazuhiro Kondo. These partnerships have likely fostered innovation and development in his projects.

Conclusion

Masaki Shimoyama's contributions to photo detection technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a deep understanding of semiconductor technology and its applications in modern devices.

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…