Osaka, Japan

Masayuki Ishii

This inventor holds 5 USPTO granted patents. Top assignees: Mita Industrial Co., Ltd., Kyocera Mita Corporation. Active years: 1996-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Ishii. Retrieved from https://idiyas.com/inventor/masayuki-ishii-83jtfhv5

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 3

Forward Citations = 42(Granted Patents)


Location History:

  • Osaka, JP (1996 - 1998)
  • Suita, JP (2001)

Company Filing History:


Years Active: 1996-2001

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5 patents (USPTO):Explore Patents

Title: **Masayuki Ishii: A Pioneer in Developing Technology**

Introduction

Masayuki Ishii, an innovative inventor based in Osaka, Japan, boasts an impressive portfolio with five patents to his name. Known for his contributions to developing technology, Ishii has played a crucial role in enhancing image-forming machines and related devices.

Latest Patents

Among his latest inventions, Ishii's notable patents include advancements in the development roller and developing device, designed to ensure a satisfactory developing operation. His invention features a roller main body composed of acrylonitrile-butadiene rubber and a specialized adherence-preventing coating layer. This layer effectively reduces the adherence of the developer to the roller, enhancing operational reliability. The coating layer is engineered to maintain a friction coefficient between 0.5 and 0.95, along with a glossiness range of 4.5 to 8, effectively mitigating issues such as negative ghosting and background fogging. Another significant patent involves an image-forming machine equipped with a photosensitive drum, which successfully navigates through various zones for optimal image transfer and quality. This machine includes an innovative foreign matter-recovering mechanism to maintain the integrity of the photosensitive drum in operation.

Career Highlights

Masayuki Ishii has made substantial contributions throughout his career, particularly in established companies such as Mita Industrial Co., Ltd. and Kyocera Mita Corporation. His work has been instrumental in advancing technologies related to imaging and developing systems, showcasing his expertise in the field.

Collaborations

In his journey, Ishii has had the opportunity to collaborate with other talented engineers and inventors, including Seiji Kado and Takeshi Watanabe. These partnerships have enriched his work and facilitated the development of innovative solutions in imaging technology.

Conclusion

Masayuki Ishii stands out as a dedicated inventor whose innovations have significantly impacted the imaging industry. With his continuing efforts to develop advanced technologies, Ishii's work not only enhances current devices but also paves the way for future advancements in the field. His contributions exemplify the spirit of innovation and the importance of collaboration in driving progress.

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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