Kashiwa, Japan

Masato Yamaoka

This inventor holds 21 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Image Forming Technology. Top assignees: Canon Kabushiki Kaisha, Sony Corporation. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Yamaoka. Retrieved from https://idiyas.com/inventor/masato-yamaoka

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

USPTO Granted Patents = 21 

% Patents Active = 95.2

 

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 86(Granted Patents)


Location History:

  • Tokyo, JP (1999 - 2009)
  • Kashiwa, JP (2017 - 2024)

Company Filing History:


Years Active: 1999-2026

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Areas of Expertise:
Developer Supply Container
Image Forming Apparatus
Developer Supplying System
Image Recording Device
Playback Apparatus
Digital Video Signals
Developer Supply Kit
Dual-Operated Switch
21 patents (USPTO):Explore Patents

Title: Innovations of Masato Yamaoka

Introduction

Masato Yamaoka, an accomplished inventor based in Kashiwa, Japan, has made significant contributions to the fields of imaging technology and developer systems. With a portfolio of 21 patents, he showcases a deep understanding and innovation within his area of expertise.

Latest Patents

Yamaoka's latest patents include innovative designs for an image forming apparatus and a developer supply container and supplying system. The image forming apparatus features a unique driving unit that applies a driving force to a photosensitive drum. It employs an intricate system with first and second driving frames, each designed to optimize the function of the driving gear through precise structural elements, including wall portions and an elastic member.

The developer supply container patent details an efficient developer accommodating portion, which includes a discharge opening. This innovative design allows for a seamless mounting operation that engages a developer supply container, enabling the developer receiving portion to effectively align with the discharge opening. Such careful considerations in design highlight Yamaoka's commitment to solving intricate challenges in imaging technology.

Career Highlights

Throughout his career, Yamaoka has contributed his expertise to leading companies in technology and imaging. He has worked with Canon and Sony, where he honed his skills and made significant advancements in product development and innovation. His role in these companies has allowed him to be at the forefront of technological advancements.

Collaborations

Masato Yamaoka has collaborated with other esteemed professionals such as Tsukasa Mine and Akihito Kamura. These collaborations have been instrumental in driving innovation and fostering a culture of creativity and progress within their respective fields.

Conclusion

Masato Yamaoka's impressive track record as an inventor in Kashiwa, Japan, marked by his 21 patents, illustrates his significant impact on imaging technology. His latest inventions and collaborations with industry leaders reflect a dedication to innovation that continues to shape the future 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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