Tokyo, Japan

Masaki Hirose

This inventor holds 119 USPTO granted patents and 10 published patent applications and 32 EPO patents, primarily in Optical Detection Devices (CPC class G01J3-26). Top assignees: Hamamatsu-Photonics K.k., Sony Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 1998-2026.

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

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

USPTO Granted Patents = 119 

% Patents Active = 81.5

 

Average Co-Inventor Count = 4.9

ph-index = 13

Forward Citations = 711(Granted Patents)

Forward Citations (Not Self Cited) = 690(Dec 10, 2025)


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Location History:

  • Shinjuku-ku, JP (2000)
  • Kanagawa, JP (2000 - 2016)
  • Tokyo, JP (1998 - 2024)
  • Hamamatsu, JP (2011 - 2024)

Company Filing History:


Years Active: 1998-2026

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Areas of Expertise:
Light Detection Device
Optical Filter
Fabry-Perot Interference Filter
Signal Processing
Wafer Inspection
Optical Measurement
Image Processing
Transportation Method
Electrical Inspection
Camera System
Video Signal Processing
Suction Method
119 patents (USPTO):Explore Patents

Title: Exploring the Innovations of Inventor Masaki Hirose

Introduction:

Masaki Hirose is a talented inventor based in Tokyo, Japan, with an impressive portfolio of 106 patents to his name. His groundbreaking work in the field of signal processing, camera systems, and video systems has revolutionized the way HDR video signals are handled.

Latest Patents:

Hirose's latest patents include a signal processing device, a signal processing method, a camera system, a video system, and a server designed to handle HDR video signals across multiple signal interfaces. One notable solution from his recent work involves a processing unit that performs grayscale compression processes on linear high dynamic range video signals, resulting in enhanced dynamic range video signals.

Suctioning Method:

Another innovative patent by Hirose introduces a suction method for extracting Fabry-Perot interference filters efficiently. This method utilizes a suction collet to suction the filter, involving steps such as arranging the suction collet to face the main surface of the filter, bringing the collet into contact with the filter, and suctioning the filter effectively.

Career Highlights:

Throughout his career, Hirose has made significant contributions to companies such as Hamamatsu Photonics K.K. and Sony Corporation. His expertise and inventive spirit have led to the development of revolutionary technologies in the field of optics and imaging systems.

Collaborations:

Hirose has collaborated with esteemed colleagues such as Katsumi Shibayama and Toshimitsu Kawai, leveraging their combined expertise to drive innovation and create cutting-edge solutions in the realm of signal processing and imaging technologies.

Conclusion:

Inventor Masaki Hirose's relentless pursuit of innovation and his remarkable ability to push the boundaries of technology have cemented his legacy as a visionary in the field of optics and imaging. His patents and collaborations stand as a testament to his creativity and dedication to advancing the world of HDR video processing and optical device technologies.

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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