logo

For the Inventor, By the Inventor

Kashiwa, Japan

Kanao Kayamoto

This inventor holds 15 USPTO granted patents and 1 published patent application and 5 EPO patents. Top assignee: Powdertech Co., Ltd.. Active years: 1995-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kanao Kayamoto. Retrieved from https://idiyas.com/inventor/kanao-kayamoto

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

USPTO Granted Patents = 15 

% Patents Active = 86.7


Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 74(Granted Patents)


Location History:

  • Chiba-ken, JP (2001)
  • Kamagaya, JP (2011)
  • Kashiwa, JP (1995 - 2012)
  • Chiba, JP (2002 - 2012)

Company Filing History:

goldMedal15 out of 94 
 
Powdertech Co., Ltd.
 patents

Years Active: 1995-2012

Loading Chart...
Loading Chart...
15 patents (USPTO):Explore Patents
1. 8247148 - Resin-coated ferrite carrier for electrophotographic developer and electrophotographic developer using the resin-coated ferrite carrier (2012-08-21),
2. 8092971 - Resin-coated carrier for electrophotographic developer and process for producing the same, and electrophotographic developer comprising the resin-coated carrier (2012-01-10),
3. 8026033 - Ferrite carrier for electrophotographic developer and electrophotographic developer (2011-09-27),
4. 7964330 - Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer (2011-06-21),
5. 7897317 - Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier (2011-03-01),
6. 7824833 - Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier (2010-11-02),
7. 7521163 - Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier (2009-04-21),
8. 7442483 - Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same (2008-10-28),
9. 7144670 - Carrier for electrophotographic developer and process of producing the same (2006-12-05),
10. 6582870 - Carrier for electrophotographic developer and electrophotographic developer containing the same (2003-06-24),
11. 6387582 - Carrier for electrophotographic developer and electrophotographic developer containing the same (2002-05-14),
12. 6235443 - Carrier for electrophotographic developer and electrophotographic developer containing the same (2001-05-22),
13. 5595850 - Ferrite carrier for electrophotographic developer and developer (1997-01-21),
14. 5466552 - Ferrite carrier for electrophotographic developer and developer (1995-11-14),
15. 5419994 - Carrier for electrophotographic developer, process for preparing the (1995-05-30),

Title: Kanao Kayamoto: Innovator in Electrophotographic Development

Introduction

Kanao Kayamoto is a prominent inventor based in Kashiwa, Japan. He has made significant contributions to the field of electrophotographic developers, holding a total of 15 patents. His innovative work focuses on enhancing the quality and durability of electrophotographic materials.

Latest Patents

Kanao Kayamoto's latest patents include a resin-coated ferrite carrier for electrophotographic developers. This invention features a ferrite carrier core material with a BET specific surface area ranging from 900 to 5,000 cm/g and an apparent density between 2.30 to 2.80 g/cm. Another notable patent is the resin-coated carrier for electrophotographic developers, which aims to provide a carrier with small particle size, high sphericity, and surface uniformity. This invention is designed to produce high-quality electrophotographic developers that exhibit excellent durability.

Career Highlights

Kanao Kayamoto is currently employed at Powdertech Co., Ltd., where he continues to innovate in the field of electrophotography. His work has significantly impacted the development of high-performance materials used in printing technologies.

Collaborations

Kanao has collaborated with notable colleagues such as Toshio Honjo and Yuji Sato, contributing to advancements in their shared field of expertise.

Conclusion

Kanao Kayamoto's contributions to electrophotographic development through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the quality and efficiency of electrophotographic materials.

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]
Loading…