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For the Inventor, By the Inventor

Shizuoka, Japan

Fumihiro Arahira

This inventor holds 15 USPTO granted patents and 1 EPO patent, primarily in Electrophotographic Imaging. Top assignee: Canon Kabushiki Kaisha. Active years: 1994-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumihiro Arahira. Retrieved from https://idiyas.com/inventor/fumihiro-arahira

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 93.3


Average Co-Inventor Count = 4.3

ph-index = 7

Forward Citations = 146(Granted Patents)


Location History:

  • Ninomiya, JP (1994)
  • Kanagawa, JP (1995)
  • Ninomiyamachi, JP (1997)
  • Kanagawa-ken, JP (1997)
  • Yokohama, JP (1998)
  • Shizuoka-ken, JP (1999 - 2005)
  • Shizuoka, JP (2006)

Company Filing History:

goldMedal15 out of 93,136 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1994-2006

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Areas of Expertise:
Toner
Electrophotographic Apparatus
Image Forming Method
Magnetic Particles
Charging Member
Process Cartridge
Charging Device
Control Means
External Additive
Bristless Charging
Fiber-Entangled Material
Electrostatic Latent Image
15 patents (USPTO):Explore Patents
1. 7135263 - Toner (2006-11-14),
2. 6897001 - Toner and image forming method (2005-05-24),
3. 6405007 - Magnetic particles for charging, process for producing the magnetic particles, and charging member, process cartridge and image-forming apparatus which have the magnetic particles (2002-06-11),
4. 6285848 - Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive (2001-09-04),
5. 6157801 - Magnetic particles for charging, charging member, charging device, (2000-12-05),
6. 6026260 - Electrophotographic apparatus, image forming method and process cartridge (2000-02-15),
7. 5940662 - Charging apparatus and electrophotographic apparatus (1999-08-17),
8. 5805961 - Charging member having bristless, process cartridge, and (1998-09-08),
9. 5790926 - Charging member having a raised fiber-entangled material, and process (1998-08-04),
10. 5724632 - Charging apparatus and electrophotographic apparatus (1998-03-03),
11. 5701551 - Image forming apparatus including control means for controlling an (1997-12-23),
12. 5671468 - Charging member and image forming apparatus having contact charging (1997-09-23),
13. 5636009 - Image forming apparatus having charging member (1997-06-03),
14. 5418605 - Charging device and image forming apparatus (1995-05-23),
15. 5286917 - Apparatus for developing electrostatic latent image and developing (1994-02-15),

Title: Fumihiro Arahira: Innovator in Toner Technology

Introduction

Fumihiro Arahira is a prominent inventor based in Shizuoka-ken, Japan. He has made significant contributions to the field of toner technology, holding a total of 15 patents. His work focuses on enhancing the performance and efficiency of toner used in various imaging applications.

Latest Patents

Arahira's latest patents include innovative formulations for toner particles. One of his notable inventions describes a toner that incorporates toner base particles containing a colorant and a binder resin, along with an inorganic fine powder. This fine powder features a primary-particle average diameter ranging from 30 nm to 300 nm and includes particles with specific shapes such as cubic and rectangular, which possess perovskite-type crystals. Another patent outlines a toner designed for an image forming method that includes a contact charging step. This toner comprises toner particles made of a binder resin and a colorant, along with fine particles that may include tungsten-containing tin oxide or base particles coated with a tungsten-containing tin compound.

Career Highlights

Fumihiro Arahira is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to develop advanced toner solutions that enhance image quality and printing efficiency.

Collaborations

Arahira has collaborated with notable colleagues such as Kiyoshi Mizoe and Shuichi Aita. Their combined expertise has contributed to the successful development of innovative toner technologies.

Conclusion

Fumihiro Arahira's contributions to toner technology have established him as a key figure in the field. His innovative patents and collaborations continue to influence advancements in imaging solutions.

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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