Ibaraki, Japan

Hiroshi Masuda

This inventor holds 51 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Optical Components. Top assignees: Sony Corporation, Hitachi, Ltd., International Business Machines Corporation. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Masuda. Retrieved from https://idiyas.com/inventor/hiroshi-masuda

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

Calculating rank
USPTO Granted Patents = 51 

% Patents Active = 72.5

 

Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 595(Granted Patents)

Forward Citations (Not Self Cited) = 570(Dec 10, 2025)


Location History:

  • Hiratsuka, JP (1991)
  • Hiratuka, JP (1992)
  • Hachioji, JP (1991 - 1997)
  • Yamata, JP (1997)
  • Kodaira, JP (1997)
  • Higashimurayama, JP (1999)
  • Yamato, JP (1996 - 2001)
  • Yamoto, JP (2002)
  • Fukuoka, JP (2003 - 2005)
  • Chiba, JP (2009)
  • Tsukuba, JP (2009 - 2012)
  • Kanagawa, JP (1992 - 2015)
  • Ibaraki, JP (2010 - 2015)
  • Tokyo, JP (1994 - 2024)

Company Filing History:


Years Active: 1991-2026

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Areas of Expertise:
Optical Waveguide
Display Device
Audiovisual Apparatus
Data Recording
Semiconductor Device
Image Processing
Optical Module
Thermal Sensor
3D Model Rendering
Data Transmission
Flexible Optical Waveguide
Electrical Connector
51 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hiroshi Masuda

Introduction: Hiroshi Masuda, an accomplished inventor based in Ibaraki, Japan, has made significant contributions to the field of technology, particularly in display devices and device control management. With a remarkable portfolio of 49 patents, Masuda's innovations reflect his deep understanding of electronic devices and their functionalities.

Latest Patents: Among Masuda's recent patents is a groundbreaking display device that integrates advanced audio features with visual elements. This device comprises a display surface, a rear cover, and strategically positioned upper and lower speakers. Notably, the upper speaker features a smaller passage hole for sound output than the lower speaker, enhancing the overall auditory experience. Another significant invention is a system and method for managing device control, which allows a first device to receive and process control information for a third device and determine whether to transmit this information based on stored operational commands.

Career Highlights: Hiroshi Masuda has had an impressive career trajectory, having worked with leading corporations in the technology sector. Noteworthy among them is his tenure at Sony Corporation, a pioneer in electronics and entertainment, as well as at IBM, renowned for its innovations in computing and information technology. These experiences have undoubtedly enriched his expertise and fueled his inventive spirit.

Collaborations: Throughout his career, Masuda has collaborated with talented individuals such as Tomoaki Shibata and Kazuhiro Mochizuki. These professional partnerships have contributed to the creative energy and innovative projects that define his work.

Conclusion: Hiroshi Masuda is a testament to the profound impact that dedicated inventors can have on technological progress. With a strong portfolio of patents and a career marked by collaboration and innovation, Masuda continues to inspire the next generation of inventors and technologists. His work, particularly in display devices and device control systems, demonstrates a forward-thinking approach that is sure to influence the future of technology.

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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