Kawasaki, Japan

Mizuho Hiraoka

This inventor holds 29 USPTO granted patents and 1 EPO patent, primarily in Organic Electronics. Top assignee: Canon Kabushiki Kaisha. Active years: 1989-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mizuho Hiraoka. Retrieved from https://idiyas.com/inventor/mizuho-hiraoka

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

Calculating rank

% Patents Active = 82.8

 

Average Co-Inventor Count = 4.1

ph-index = 10

Forward Citations = 312(Granted Patents)


Location History:

  • Isehara, JP (1989 - 1992)
  • Kanagawa, JP (2007)
  • Kawasaki, JP (1989 - 2011)

Company Filing History:


Years Active: 1989-2011

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Areas of Expertise:
Organic Electroluminescence
Light-Emitting Device
Information Recording Medium
Optical Recording Medium
Molding Process
Hybrid Information Medium
Fluorene Compound
Oligofluorenlylene Compounds
Optical Card
Molding Die
Reproducible Molding Die
29 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Mizuho Hiraoka in Organic Electronics

Introduction: Mizuho Hiraoka, a distinguished inventor based in Kawasaki, Japan, has made significant strides in the field of organic electronics. With a remarkable portfolio of 29 patents, Hiraoka has contributed extensively to the development of advanced organic electroluminescent materials and devices. His work not only showcases innovation but also the potential for these technologies in commercial applications.

Latest Patents: Hiraoka's recent patents reflect his pioneering spirit and commitment to enhancing organic electronic technology. Among them are:

1. **Organic Electroluminescence Element, Image Display Device, and Imaging Apparatus** - This invention involves an organic electroluminescence element composed of organic compound layers situated between electrodes. Notably, the concentration of halogen atoms within these compounds is maintained at 1 ppm or less, as measured by combustion ion chromatography.

2. **Monoaminofluorene Compound and Organic Light-Emitting Device Using the Same** - This patent presents novel monoaminofluorene compounds that lead to the creation of organic light-emitting devices. These devices are distinguished by their excellent luminescence hue, characterized by extremely high purity, and demonstrate remarkable optical output with high luminescence efficiency and longevity.

Career Highlights: Mizuho Hiraoka is currently employed at Canon Kabushiki Kaisha, a company renowned for its innovations in imaging and optical technologies. His work at Canon has placed him at the forefront of the organic electronics sector, where his contributions are shaping the future of display technologies and lighting solutions.

Collaborations: Throughout his career, Hiraoka has collaborated with esteemed colleagues, including Hiroyuki Imataki and Tomoyuki Tamura. These partnerships have fostered a creative environment that encourages the exchange of ideas and accelerates technological advancements in their field.

Conclusion: Mizuho Hiraoka's contributions to organic electronics exemplify the transformative power of innovation. With a robust portfolio of patents and a commitment to research and development, he continues to push the boundaries of what is possible in organic lighting and display technologies. His work not only enhances the capabilities of current technologies but also paves the way for future advancements in 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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