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For the Inventor, By the Inventor

Hamamatsu, Japan

Yuji Fujiwara

This inventor holds 54 USPTO granted patents and 8 EPO patents, primarily in Musical Instrument Technology (CPC class G10H). Top assignees: Yamaha Corporation, Nippon Gakki Seizo Kabushiki Kaisha. Active years: 1984-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Fujiwara. Retrieved from https://idiyas.com/inventor/yuji-fujiwara

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

USPTO Granted Patents = 54

% Patents Active = 75.9

 

Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 442(Granted Patents)

Forward Citations (Not Self Cited) = 349(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shizuoka, JP (1995 - 2007)
  • Shizuoka-ken, JP (1997 - 2007)
  • Hamamatsu, JP (1984 - 2016)

Company Filing History:

goldMedal51 out of 5,501 
 
Yamaha Corporation
 patents
silverMedal3 out of 841 
 
Nippon Gakki Seizo Kabushiki Kaisha
 patents

Years Active: 1984-2016

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Areas of Expertise:
Automatic Player
Actuator Control
Musical Instrument
Sound Reproduction
Pedal Control
Music Performance System
Half Pedal Region
Velocity Estimator
Data Converter
Recording System
Electronic Assistant
Music Data Modifier
54 patents (USPTO):Explore Patents
1. 9502014 - Actuator control in automatic performance of musical instrument (2016-11-22),
2. 9384720 - Keyboard musical instrument, and method for recording half performance of pedal or key damper on keyboard musical instrument (2016-07-05),
3. 9245509 - Recording and reproduction of waveform based on sound board vibrations (2016-01-26),
4. 9099062 - Keyboard musical instrument, method of controlling actuator in the keyboard musical instrument, and non-transitory recording medium storing program for controlling the actuator (2015-08-04),
5. 9087494 - Musical instrument equipped with a pedal, and method therefor (2015-07-21),
6. 8933316 - Method and apparatus for identifying half pedal region in keyboard musical instrument (2015-01-13),
7. 8933309 - Simulating muting in a drive control device for striking member in sound generation mechanism (2015-01-13),
8. 8859878 - Method and device for identifying half point of pedal on keyboard musical instrument (2014-10-14),
9. 8859877 - Damper drive device for musical instrument, and musical instrument (2014-10-14),
10. 8735698 - Drive mechanism of lifting rail for musical instrument and musical instrument including the same (2014-05-27),
11. 8350143 - Keyboard musical instrument (2013-01-08),
12. 8350142 - Electronic supporting system for musicians and musical instrument equipped with the same (2013-01-08),
13. 8138401 - Electronic assistant system for lesson in music and musical instrument equipped with the same (2012-03-20),
14. 7902449 - Music performance system for music session and component musical instruments (2011-03-08),
15. 7820902 - Music performance system for music session and component musical instruments (2010-10-26),

Title: The Innovative Journey of Yuji Fujiwara

Introduction: Yuji Fujiwara, a pioneering inventor hailing from Hamamatsu, Japan, has made significant contributions to the world of technology and innovation through his groundbreaking inventions and patents.

Latest Patents: Yuji Fujiwara holds several patents in the field of electronics and semiconductor technology, with his most recent patents focusing on advancements in nanotechnology and renewable energy solutions.

Career Highlights: With a career spanning over two decades, Yuji Fujiwara has worked tirelessly to push the boundaries of innovation. His work has led to the development of cutting-edge technologies that have revolutionized various industries.

Collaborations: Throughout his career, Yuji Fujiwara has collaborated with leading research institutions, universities, and tech companies to further his research and bring his inventions to life. His collaborative efforts have resulted in the successful commercialization of several groundbreaking technologies.

Conclusion: Yuji Fujiwara's passion for innovation and his relentless pursuit of technological advancement 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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