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For the Inventor, By the Inventor

Osaka, Japan

Yasuhiro Maruyama

This inventor holds 8 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2004-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Maruyama. Retrieved from https://idiyas.com/inventor/yasuhiro-maruyama-mpgm8ini

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

USPTO Granted Patents = 8

% Patents Active = 62.5

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Nara, JP (2004)
  • Kitakatsuragi-gun, JP (2006)
  • Katsuragi, JP (2009)
  • Osaka, JP (2012 - 2014)

Company Filing History:

goldMedal8 out of 25,954 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 2004-2014

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8 patents (USPTO):Explore Patents
1. 8810135 - LED drive circuit, LED illumination component, LED illumination device, and LED illumination system (2014-08-19),
2. 8698420 - LED drive circuit, LED lamp, LED lighting appliance, and LED lighting system (2014-04-15),
3. 8432103 - LED drive circuit, LED illumination fixture, LED illumination device, and LED illumination system (2013-04-30),
4. 8258706 - LED drive circuit, LED illumination component, LED illumination device, and LED illumination system (2012-09-04),
5. 8198834 - LED drive circuit (2012-06-12),
6. 7528362 - Pulse modulating photodetector and electronic device (2009-05-05),
7. 6982408 - Photo-detecting method and photo-detecting device with varying modulation frequency (2006-01-03),
8. 6734522 - Transistor (2004-05-11),

Title: Yasuhiro Maruyama: Innovator in LED Technology

Introduction

Yasuhiro Maruyama is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of LED technology, holding a total of 8 patents. His innovative work focuses on enhancing LED drive circuits and illumination systems, which have applications in various lighting solutions.

Latest Patents

Maruyama's latest patents include advancements such as the LED drive circuit, LED illumination component, LED illumination device, and LED illumination system. The LED drive circuit is designed to receive an alternating voltage to drive an LED. It features a current removal portion that eliminates unnecessary current from the supply line, ensuring that the LED only lights up when the appropriate drive current is present. This innovative approach allows for efficient energy use and improved performance in LED applications. Additionally, his work on the LED lamp and lighting appliances further showcases his commitment to advancing LED technology.

Career Highlights

Yasuhiro Maruyama is associated with Sharp Kabushiki Kaisha Corporation, where he has been instrumental in developing cutting-edge LED solutions. His expertise in designing LED drive circuits has positioned him as a key player in the industry. His contributions have not only enhanced product performance but have also paved the way for more sustainable lighting options.

Collaborations

Maruyama has collaborated with notable colleagues such as Hiroyuki Shoji and Katsumi Inaba. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas, leading to the development of advanced technologies in the field of LED lighting.

Conclusion

Yasuhiro Maruyama's work in LED technology exemplifies the spirit of innovation and dedication to improving lighting solutions. His patents and collaborations reflect a commitment to advancing the industry and enhancing the efficiency of LED systems. His contributions will undoubtedly continue to influence the future of lighting 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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