Shizuoka, Japan

Kazuhiko Omata

This inventor holds 22 USPTO granted patents, primarily in Electrophotographic Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1994-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Omata. Retrieved from https://idiyas.com/inventor/kazuhiko-omata

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


% Patents Active = 72.7

Average Co-Inventor Count = 4.0

ph-index = 16

Forward Citations = 667(Granted Patents)


Location History:

  • Satte, JP (1994 - 2005)
  • Toride, JP (2005)
  • Suntoh-gun, JP (2007)
  • Shizuoka-ken, JP (2000 - 2008)

Company Filing History:


Years Active: 1994-2008

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Areas of Expertise:
Electrophotographic
Toner Supply Container
Developer Cartridge
Toner Replenishing
Pneumatic Pulverizer
Image Forming Apparatus
Feeding Projections
Sealing Member
Fine Powder Production
Stirring Member
Replenishment Hole
22 patents (USPTO):Explore Patents

Title: Innovations of Kazuhiko Omata: A Pioneer in Imaging Technologies

Introduction: Kazuhiko Omata, a distinguished inventor located in Shizuoka-ken, Japan, has made significant contributions to the field of imaging technologies. With an impressive portfolio of 22 patents, Omata stands out as an influential figure in the area of electrophotographic image forming apparatuses. His innovative designs have paved the way for advancements in toner supply technology.

Latest Patents: Among his latest creations are two notable patents: the Toner Supply Container and the Developer Supply Container.

The Toner Supply Container is designed to be detachably mounted to an image forming apparatus. This container features a toner accommodating portion for housing the toner, along with a supply opening for delivering the toner into the apparatus. Essential components include a feeding member that directs toner toward the supply opening, and a sealing member that ensures the supply opening remains closed. The sealing member integrates a locking portion for securing it to the apparatus and a coupling portion that connects with a drive coupling member. This innovative design allows for seamless operation, with the sealing member rotating in conjunction with the feeding member.

The Developer Supply Container, on the other hand, is specifically engineered for providing a developer to an image forming apparatus. It includes a main body for holding the developer and a discharge opening for releasing it. The design incorporates several feeding projections on a curved inner surface, which facilitate the movement of the developer toward the discharge opening through rotation of the main body. Notably, each projection is linear, enhancing functionality without unnecessary complexity.

Career Highlights: Kazuhiko Omata is currently associated with Canon Kabushiki Kaisha, a renowned company well-known for its cutting-edge imaging solutions. His tenure at Canon has allowed him to not only develop innovative technology but also to establish himself as a key player in the imaging industry.

Collaborations: Throughout his career, Omata has worked alongside talented colleagues such as Yutaka Ban and Kyota Miyazaki. Their collaboration has likely fostered a creative environment conducive to the development of groundbreaking technologies.

Conclusion: Kazuhiko Omata’s work exemplifies the drive for innovation in the imaging technology sector. His numerous patents and collaborative efforts demonstrate a commitment to advancing the functionality and efficiency of electrophotographic systems. As technologies evolve, the contributions of inventors like Omata will continue to leave a lasting impact on the industry and pave the way for future advancements.

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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