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For the Inventor, By the Inventor

Yokohama, Japan

Masayoshi Takahashi

This inventor holds 63 USPTO granted patents and 4 published patent applications and 10 EPO patents, primarily in Power Conversion Devices. Top assignees: Canon Kabushiki Kaisha, Hitachi, Ltd., Janome Sewing Machine Company Limited. Active years: 1983-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Takahashi. Retrieved from https://idiyas.com/inventor/masayoshi-takahashi

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

USPTO Granted Patents = 63 

% Patents Active = 76.2

 

Average Co-Inventor Count = 2.9

ph-index = 11

Forward Citations = 1,109(Granted Patents)

Forward Citations (Not Self Cited) = 1,079(Dec 10, 2025)


Location History:

  • Sagamihara, JP (1983 - 1984)
  • Numazi, JP (1998)
  • Chofu, JP (1984 - 2001)
  • Numazu, JP (1998 - 2001)
  • Shizuoka, JP (2005)
  • Kanagawa, JP (1984 - 2015)
  • Kanagawa-ken, JP (2015)
  • West Bloomfield, MI (US) (2013 - 2016)
  • Yokohama, JP (2004 - 2017)
  • Mishima, JP (2010 - 2019)
  • Tokyo, JP (1998 - 2021)
  • Yokohama Kanagawa, JP (2023)

Company Filing History:

goldMedal17 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
silverMedal14 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal7 out of 609 
 
Janome Sewing Machine Company Limited
 patents
4. 6 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
5. 6 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
6. 4 out of 1,495 
 
Hitachi Astemo Ltd.
 patents
7. 4 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
8. 1 out of 14 
 
Hitachi High-Tech Electronics Engineering Co., Ltd.
 patents
9. 1 out of 2,304 
 
Mitsubishi Gas Chemical Company, Inc.
 patents
10. 1 out of 36,684 
 
Nec Corporation
 patents
11. 1 out of 314 
 
Taisho Pharmaceutical Co., Ltd.
 patents
12. 1 out of 1,703 
 
Toshiba Electronic Devices & Storage Corporation
 patents
13. 1 out of 2,018 
 
Toshiba Medical Systems Corporation
 patents
14. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1983-2026

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Areas of Expertise:
Signal Transmission
Information Processing
Wiring Circuit Board
Electronic Control
Semiconductor Device
Power Conversion
Image Forming Apparatus
Inspection Apparatus
Electrical Converter
EMI Sources
Nucleotide Probe
Magnetic Characteristic Inspection
63 patents (USPTO):Explore Patents
1. 12726187 - Signal transmission device and signal transmission system (2026-09-01),
2. 12519445 - Signal transmission system (2026-01-06),
3. 12505020 - Information processing device and information processing method using accelerator device (2025-12-23),
4. 12432846 - Technique of wiring provided on a wiring circuit board that is mounted in an electronic apparatus (2025-09-30),
5. 12224886 - Electronic control device (2025-02-11),
6. 12143168 - Signal transmission device, signal transmission system, and information provision method (2024-11-12),
7. 11695404 - Semiconductor device (2023-07-04),
8. 10908595 - Facility state determination device, facility state determination method, and facility management system (2021-02-02),
9. 10845794 - State identification device, state identification method and mechanical device (2020-11-24),
10. 10402130 - Printing system and related control method in which a printing apparatus connects with a mobile terminal if a printing reservation corresponding to a printing instruction from the mobile terminal is managed by a server (2019-09-03),
11. 10160334 - Power conversion device and machine equipped with power conversion device (2018-12-25),
12. 10003274 - Power conversion device (2018-06-19),
13. 9991815 - Power conversion apparatus (2018-06-05),
14. 9964907 - Image forming apparatus and image forming system (2018-05-08),
15. 9948210 - Electric power conversion device (2018-04-17),

Title: Masayoshi Takahashi - Innovative Inventor from Yokohama

Introduction: Masayoshi Takahashi is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Masayoshi Takahashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Masayoshi Takahashi has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized industries worldwide. His dedication to pushing the boundaries of technology has earned him recognition as a pioneer in the field of innovation.

Collaborations: Masayoshi Takahashi has collaborated with top companies and inventors globally, fostering a culture of creativity and excellence in his projects. His ability to work seamlessly in multidisciplinary teams has led to the successful implementation of numerous groundbreaking ideas.

Conclusion: In conclusion, Masayoshi Takahashi's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions. His work continues to inspire future generations of inventors and researchers to push the limits of what is possible in the realm 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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