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For the Inventor, By the Inventor

Minamiashigara, Japan

Hiroshi Takano

This inventor holds 13 USPTO granted patents. Top assignee: Fuji Xerox Co., Ltd.. Active years: 1993-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Takano. Retrieved from https://idiyas.com/inventor/hiroshi-takano-4mj247m1

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 92.3

Average Co-Inventor Count = 4.9

ph-index = 5

Forward Citations = 57(Granted Patents)


Location History:

  • Ashigara, JP (1998)
  • Minami-Ashigara-shi, JP (1999)
  • Minami-ashigara, JP (1993 - 2013)

Company Filing History:

goldMedal13 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents

Years Active: 1993-2013

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13 patents (USPTO):Explore Patents
1. 8546058 - Electrostatic latent image developing toner, electrostatic latent image developer, image forming apparatus, and apparatus for manufacturing electrostatic latent image developing toner (2013-10-01),
2. 6838220 - Toner for developing electrostatic image, process for producing toner for developing electrostatic image, developer for developing electrostatic image, and process for forming image (2005-01-04),
3. 6558864 - Toner for developing electrostatic image, method for producing the same, electrostatic image developer, method for forming image and image forming apparatus (2003-05-06),
4. 6455215 - Magenta toner for electrophotography, magenta developer for electrophotography, and image forming method using the same (2002-09-24),
5. 6383704 - Full color electrophotographic toner, full color electrophotographic developer and image forming method (2002-05-07),
6. 6345165 - Full-color toner cartridge, method for supplying toner from cartridge and method for filling toner cartridge with toner (2002-02-05),
7. 6214512 - Image forming method (2001-04-10),
8. 6001527 - Electrostatic charge image developer, image formation method and image (1999-12-14),
9. 5884129 - Electrostatic-image developer and image forming process (1999-03-16),
10. 5804351 - Toner for electrostatic-image development, developer for electrostatic (1998-09-08),
11. 5738962 - Toner for full-color image formation, developer composition, and method (1998-04-14),
12. 5362596 - Carrier for developing electrostatic latent image and process for (1994-11-08),
13. 5256511 - Carrier for developing electrostatic latent image and process for (1993-10-26),

Title: Hiroshi Takano: Innovator in Electrostatic Imaging Technology

Introduction

Hiroshi Takano is a prominent inventor based in Minami-ashigara, Japan. He has made significant contributions to the field of electrostatic imaging technology, holding a total of 13 patents. His work has advanced the development of toners and image forming apparatuses, which are essential in modern printing technologies.

Latest Patents

Among his latest patents are innovations such as the electrostatic latent image developing toner, electrostatic latent image developer, and image forming apparatus. One notable patent describes a method for forming an electrostatic latent image developing toner. This method involves mixing resin particle dispersion with colorant particle dispersion and, in some cases, a release agent particle dispersion. The process includes aggregating these particles in a stirring tank and conducting heating to fuse them into aggregate particles. A unique feature of this method is the accumulation suppression unit, which utilizes a magnetic field to prevent the aggregation of particles during the fusion step. The resulting toner exhibits an average sphericity of at least 0.94 but no more than 0.98, showcasing advanced particle characteristics.

Career Highlights

Hiroshi Takano is currently employed at Fuji Xerox Co., Ltd., where he continues to innovate in the field of imaging technology. His extensive experience and expertise have positioned him as a key figure in the development of advanced toners and imaging processes.

Collaborations

Throughout his career, Takano has collaborated with notable colleagues such as Masanori Ichimura and Michio Take. These collaborations have further enriched his work and contributed to the advancements in electrostatic imaging technology.

Conclusion

Hiroshi Takano's contributions to the field of electrostatic imaging technology are significant and impactful. His innovative patents and ongoing work at Fuji Xerox Co., Ltd. continue to shape the future of 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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