Kanagawa, Japan

Takanori Hioki

This inventor holds 93 USPTO granted patents and 3 EPO patents, primarily in Photoelectric Devices (CPC class 430584). Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takanori Hioki. Retrieved from https://idiyas.com/inventor/takanori-hioki

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


% Patents Active = 79.6


Average Co-Inventor Count = 2.2

ph-index = 9

Forward Citations = 296(Granted Patents)

Forward Citations (Not Self Cited) = 269(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kawagawa, JP (1994)
  • Ashigara, JP (2008)
  • Minami-ashigara, JP (1987 - 2011)
  • Kanagawa, JP (1987 - 2011)

Company Filing History:


Years Active: 1987-2011

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Areas of Expertise:
Photoelectric Conversion
Imaging Device
Phthalocyanine Compound
Electrochromic Device
Optical Device
Silver Halide Material
Photosensitive Material
Color Image Formation
Functional Device
Photographic Emulsion
Heat-Developable Material
Image-Taking Unit
93 patents (USPTO):Explore Patents

Title: Takanori Hioki: Pioneering Innovations in Photoelectric Devices

Introduction: Takanori Hioki, an influential inventor based in Kanagawa, Japan, has made significant contributions to the field of photoelectric technology. With an impressive portfolio of 93 patents, Hioki's work continues to shape the future of imaging devices, offering innovative solutions that enhance the capabilities of modern technology.

Latest Patents: Among his most recent patents are the developments in photoelectric conversion layers and devices. One notable patent encompasses a photoelectric conversion layer that features a compound defined by a specific formula, which plays a crucial role in new imaging technologies. Additionally, Hioki has patented a phthalocyanine compound-based organic semiconductor. This invention incorporates unique compounds and structures that allow for both versatility and enhanced performance in electronic applications.

Career Highlights: Takanori Hioki's career includes pivotal roles at renowned companies such as Fuji Photo Film Company, Limited and Fujifilm Corporation. His extensive experience in these organizations has allowed him to hone his skills as an inventor and contribute to numerous advancements in the photographic and imaging industries.

Collaborations: Throughout his professional journey, Hioki has collaborated with notable figures in the field, including Tadashi Ikeda and Katsumi Kobayashi. These partnerships have facilitated a rich exchange of ideas, further driving innovation and excellence in their shared projects.

Conclusion: Takanori Hioki stands as a prominent figure in the world of inventions, particularly in the domain of photoelectric technologies. With a robust body of work that illustrates his creativity and expertise, Hioki's contributions are likely to influence future developments in imaging systems and beyond. As the technology continues to evolve, his innovations will remain at the forefront of industry 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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