Osaka, Japan

Katsunobu Hamamoto

This inventor holds 12 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Matsushita Electric Works, Ltd., Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 2004-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsunobu Hamamoto. Retrieved from https://idiyas.com/inventor/katsunobu-hamamoto

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

USPTO Granted Patents = 12 

% Patents Active = 16.7

 

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 60(Granted Patents)


Location History:

  • Kadoma, JP (2005)
  • Nayagawa, JP (2008)
  • Neyagawa, JP (2004 - 2015)
  • Osaka, JP (2014 - 2017)

Company Filing History:


Years Active: 2004-2017

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12 patents (USPTO):Explore Patents

Title: **The Innovative Contributions of Katsunobu Hamamoto**

Introduction

Katsunobu Hamamoto, an accomplished inventor based in Osaka, Japan, has made significant strides in the field of electrical engineering and lighting technology. With a portfolio of 12 patents, he has demonstrated a commitment to innovation and practicality within his inventions.

Latest Patents

Among his latest innovations are two notable patents: the power supply device and the LED lighting device. The power supply device encompasses a power supply input portion, rectification, smoothing, power conversion, and control components, all meticulously arranged on an elongated rectangular circuit substrate. This structured design allows for efficient energy management and output. Additionally, the LED lighting device features a resistor configured to detect inductor current during the operation of a switching element. This invention includes a threshold generation section for dimming control and a switching control section that modulates the timing of the element's operation based on current levels—effectively enhancing energy efficiency with varying brightness levels.

Career Highlights

Katsunobu Hamamoto has a rich career history, having worked with renowned companies such as Matsushita Electric Works, Ltd. and Panasonic Intellectual Property Management Co., Ltd. His experiences in these reputable organizations have undoubtedly influenced his inventive journey, providing him with a robust foundation in the principles of technology and innovation.

Collaborations

Throughout his career, Hamamoto has collaborated with esteemed colleagues, including Masafumi Yamamoto and Katsumi Sato. These partnerships have fostered an environment of creativity and shared expertise, further contributing to the successful development of his innovative projects and patents.

Conclusion

In summary, Katsunobu Hamamoto stands out as a formidable force in the realm of electrical innovations and lighting technology. His impressive array of patents not only highlights his inventive capabilities but also reflects his dedication to enhancing technology for practical use. As he continues to explore new frontiers in innovation, Hamamoto's contributions will surely leave a lasting impact on the industry.

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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