Ibaraki, Japan

Hiroshi Masuda

This inventor holds 50 USPTO granted patents and 5 published patent applications and 2 EPO patents, primarily in Optical Components. Top assignees: Sony Corporation, Hitachi, Ltd., International Business Machines Corporation. Active years: 1991-2024.

USPTO Granted Patents = 50 

% Patents Active = 72.0

 

Average Co-Inventor Count = 3.1

ph-index = 11

Forward Citations = 580(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:

goldMedal12 out of 58,144 
 
Sony Corporation
 patents
silverMedal9 out of 42,713 
 
Hitachi, Ltd.
 patents
bronzeMedal9 out of 166,159 
 
International Business Machines Corporation
 patents
4. 8 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
5. 3 out of 53,211 
 
Kabushiki Kaisha Toshiba
 patents
6. 3 out of 36,624 
 
Nec Corporation
 patents
7. 2 out of 652 
 
Fci Americas Technology Inc.
 patents
8. 2 out of 773 
 
Hirose Electric Company, Ltd.
 patents
9. 2 out of 8,993 
 
Nikon Corporation
 patents
10. 2 out of 10,613 
 
Sumitomo Electric Industries, Limited
 patents
11. 1 out of 334 
 
Berg Technology, Inc.
 patents
12. 1 out of 162 
 
Hitachi Engineering Co., Ltd.
 patents
13. 1 out of 16,539 
 
Mitsubishi Electric Corporation
 patents
14. 1 out of 150 
 
Permelec Electrode Ltd.
 patents
15. 1 out of 392 
 
Resonac Corporation
 patents
16. 1 out of 716 
 
Saturn Licensing LLC
 patents
17. 1 out of 25,924 
 
Sharp Kabushiki Kaisha Corporation
 patents
18. 1 out of 4,176 
 
Sony Group Corporation
 patents
where one patent can have more than one assignee

Years Active: 1991-2024

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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
50 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.

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