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For the Inventor, By the Inventor

Okegawa, Japan

Masahiro Hosoya

This inventor holds 50 USPTO granted patents, primarily in Image Formation Technology (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Tokyo Shibaura Denki Kabushiki Kaisha, Tokyo Electric Co.. Active years: 1983-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Hosoya. Retrieved from https://idiyas.com/inventor/masahiro-hosoya

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

USPTO Granted Patents = 50

% Patents Active = 70.0

Average Co-Inventor Count = 3.2

ph-index = 15

Forward Citations = 582(Granted Patents)

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


Inventors with similar research interests:


Location History:

  • Kohoku-ku, Yokohama-shi, JP (1985)
  • Saitama-ken, JP (1998 - 2004)
  • Saitama, JP (1995 - 2009)
  • Kanagawa-ken, JP (2012)
  • Kawasaki, JP (2010 - 2013)
  • Yokohama, JP (1983 - 2016)
  • Okegawa, JP (1991 - 2016)
  • Tokyo, JP (2003 - 2019)

Company Filing History:

goldMedal39 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal7 out of 2,916 
 
Tokyo Shibaura Denki Kabushiki Kaisha
 patents
bronzeMedal5 out of 492 
 
Tokyo Electric Co.
 patents
4. 1 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
5. 1 out of 2 
 
The Electric Co., Ltd.
 patents
6. 3 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-2019

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Areas of Expertise:
Direct Current Motor
Nonvolatile Semiconductor Memory
Photovoltaic Cell
Bias Circuit
Amplifier
Wireless Transmission
Image Forming Apparatus
Pattern Forming
Liquid Developer
Electrophotographic Machine
Developing Apparatus
Solar Cell
50 patents (USPTO):Explore Patents
1. 10170954 - Direct current motor (2019-01-01),
2. 9406395 - Nonvolatile semiconductor memory device (2016-08-02),
3. 9296848 - Polymer material, solar cell using the same, and solar photovoltaic generation system (2016-03-29),
4. 9294044 - Bias circuit and amplifier (2016-03-22),
5. 9281830 - Radio apparatus (2016-03-08),
6. 9178171 - Photovoltaic cell and method for manufacturing the same (2015-11-03),
7. 8980672 - Photovoltaic cell and method for manufacturing the same (2015-03-17),
8. 8958767 - Radio apparatus (2015-02-17),
9. 8907207 - Solar cell module (2014-12-09),
10. 8489030 - Radio apparatus having first and second amplifiers and which performs direct current offset correction of the first and second amplifiers (2013-07-16),
11. 8451942 - Wireless transmission apparatus using cartesian loop (2013-05-28),
12. 8331875 - Amplifier and communication apparatus (2012-12-11),
13. 8190063 - Pattern forming apparatus and pattern forming method (2012-05-29),
14. 7876162 - Amplifier and radio (2011-01-25),
15. 7750716 - Variable resistor, filter, variable gain amplifier and integrated circuit using the variable resistor (2010-07-06),

Title: The Innovative Journey of Masahiro Hosoya

Introduction: Masahiro Hosoya is a renowned inventor hailing from Okegawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masahiro Hosoya holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Masahiro Hosoya has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Masahiro Hosoya has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Masahiro Hosoya's passion for innovation, coupled with his dedication to pushing the boundaries of technology, has solidified his reputation as a pioneering inventor in the global landscape of inventions and patents.

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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