Osaka, Japan

Yukimasa Watanabe

This inventor holds 23 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Image Forming Technology. Top assignees: Kyocera Mita Corporation, Kyocera Document Solutions Inc., Mita Industrial Co., Ltd.. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukimasa Watanabe. Retrieved from https://idiyas.com/inventor/yukimasa-watanabe

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

USPTO Granted Patents = 23 

% Patents Active = 78.3

 

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 84(Granted Patents)


Company Filing History:


Years Active: 1998-2026

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Areas of Expertise:
Electrophotographic Photosensitive Member
Developing Device
Image Forming Apparatus
Electrophotosensitive Material
Photoconductor
Phthalocyanine Crystal
Stilbene Derivative
Naphthoquinone Derivative
Magnet Roller
Developing Roller
Single-Layer Electrophotosensitive Material
Tryptanthrine Compounds
23 patents (USPTO):Explore Patents

Title: Yukimasa Watanabe: Innovator in Developing Device Technologies

Introduction: Yukimasa Watanabe is a notable inventor based in Osaka, Japan, who has made significant contributions to the field of developing device technologies. With a total of 22 patents to his name, Watanabe has demonstrated a commitment to innovation, particularly in the areas of image forming apparatuses and their components.

Latest Patents: One of Watanabe's latest patents focuses on the development of a device and an image forming apparatus that includes a unique developing device. This developing device features a housing, a development roller, and a roller gear, which is strategically placed at one end of the development roller to transmit a rotational drive force. His design employs a sleeve coated by dipping in a vertically oriented dipping bath, ensuring optimal functionality. Another significant patent introduces a developing device that supplies developer to a rotatable photosensitive drum for forming electrostatic latent images. This device incorporates a developing roller that carries a developer along its cylindrical surface, featuring a small diameter portion extending axially inward.

Career Highlights: Watanabe has held positions at reputable companies such as Kyocera Mita Corporation and Mita Industrial Co., Ltd., where he applied his expertise in technology and innovation. His work in these organizations has greatly contributed to advancements in developing devices used in various imaging technologies.

Collaborations: Throughout his career, Yukimasa Watanabe has collaborated with several talented individuals, including Hirofumi Kawaguchi and Jun Azuma. Their collective efforts have fostered an environment of innovation and creativity within the field of developing device technologies.

Conclusion: Yukimasa Watanabe's extensive patent portfolio and collaborative efforts highlight his significant role as an inventor in the domain of developing device technologies. His innovative designs and solutions continue to impact the industry, and his contributions are a testament to the power of creativity and collaboration in driving advancements in 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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