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For the Inventor, By the Inventor

Shizuoka, Japan

Keita Nozawa

This inventor holds 21 USPTO granted patents, primarily in Toner Development. Top assignee: Canon Kabushiki Kaisha. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keita Nozawa. Retrieved from https://idiyas.com/inventor/keita-nozawa

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

USPTO Granted Patents = 21

% Patents Active = 90.5

Average Co-Inventor Count = 4.8

ph-index = 10

Forward Citations = 245(Granted Patents)


Location History:

  • Kanagawa, JP (1993)
  • Yokohama, JP (1989 - 2003)
  • Suntoh-gun, JP (2004)
  • Shizuoka-ken, JP (1998 - 2006)

Company Filing History:

goldMedal21 out of 93,085 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1989-2006

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Areas of Expertise:
Toner Production
Electrostatic Image
Image Forming Method
Magnetic Toner
Developer
Image Forming Apparatus
Color Image Formation
Positively Chargeable Toner
21 patents (USPTO):Explore Patents
1. 7097952 - Toner, process for producing a toner, image forming method and image forming apparatus (2006-08-29),
2. 6972166 - Toner, process for producing a toner, image forming method and image forming apparatus (2005-12-06),
3. 6706458 - Toner, process for producing a toner, image forming method and image forming apparatus (2004-03-16),
4. 6555281 - Toner, process for producing a toner, image forming method and image forming apparatus (2003-04-29),
5. 6541174 - Method using toner and developer for developing electrostatic image (2003-04-01),
6. 6187496 - Toner and developer for developing electrostatic image, process for production thereof and image forming method (2001-02-13),
7. 6077638 - Toner and developer for developing electrostatic image, process for (2000-06-20),
8. 6060202 - Toner for developing electrostatic images image forming method and (2000-05-09),
9. 6033817 - Toner for developing electrostatic image and image forming method (2000-03-07),
10. 5976752 - Toner and image forming method (1999-11-02),
11. 5858593 - Magnetic toner, apparatus unit and image forming method (1999-01-12),
12. 5840457 - Magnetic black toner and multi-color or full-color image forming method (1998-11-24),
13. 5774771 - Image forming method and apparatus using a particular toner (1998-06-30),
14. 5712070 - Toner for developing electrostatic image, image forming method, (1998-01-27),
15. 5710965 - Developer for developing electrostatic images and image forming method (1998-01-20),

Title: The Innovative Contributions of Keita Nozawa in Electrophotographic Toner Technology

Introduction

Keita Nozawa, a prominent inventor based in Shizuoka-ken, Japan, has made significant strides in the field of electrophotographic toner technology. With a remarkable portfolio comprising 21 patents, Nozawa's innovations focus on enhancing the performance and efficiency of image forming systems.

Latest Patents

One of his latest patents elaborates on the development of an electrophotographic toner, which features a unique blend of toner particles and external additives. The external additives include first inorganic fine particles, second inorganic fine particles, and silica fine particles, each specifically sized to optimize the toner’s performance. This innovation addresses common challenges in low humidity environments, such as melt-sticking onto image-bearing members and fog formation during low color area percentage image formations. The advanced design ensures high-quality image production in multi-color image forming systems, highlighting Nozawa's role in driving technological advancement in this niche.

Career Highlights

Currently employed at Canon Kabushiki Kaisha, Nozawa's inventive contributions have positioned him as a key figure in the company's research and development efforts. His extensive work in toner technology reflects a commitment to improving imaging solutions that resonate with consumer needs and industry standards.

Collaborations

Throughout his career, Keita Nozawa has collaborated with experienced professionals like Tsutomu Kukimoto and Motoo Urawa. These partnerships have enhanced the innovative nature of his projects and fostered a collaborative spirit within the realm of toner technology.

Conclusion

In summary, Keita Nozawa is a distinguished inventor whose work in electrophotographic toner technology showcases the power of innovation in enhancing image formation processes. With a total of 21 patents, his ongoing contributions at Canon Kabushiki Kaisha promise to shape the future of imaging solutions, reinforcing the significance of research and innovation in the field.

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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