IDiyas

For the Inventor, By the Inventor

Kashiwa, Japan

Tsuyoshi Itagoshi

USPTO Granted Patents = 11


Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Chiba-ken, JP (1999)
  • Kashiwa, JP (2003 - 2014)

Company Filing History:

goldMedal10 out of 94 
 
Powdertech Co., Ltd.
 patents
silverMedal1 out of 832,680 
Other
 patents

Years Active: 1999-2014

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11 patents (USPTO):Explore Patents
1. 8628905 - Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier (2014-01-14),
2. 7906265 - Ferrite carrier for electrophotographic developer, method for producing the same, and electrophotographic developer (2011-03-15),
3. 7566519 - Carrier for electrophotographic developer, and electrophotographic developer using the same (2009-07-28),
4. 7553597 - Carrier core material, coated carrier, and two-component developing agent for electrophotography (2009-06-30),
5. 7183033 - Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method (2007-02-27),
6. 6905806 - Dry two-component type developer for electrophotography (2005-06-14),
7. 6686113 - Carrier for electrophotographic developer and developer containing the same (2004-02-03),
8. 6627369 - Carrier for electrophotographic developer and developer containing the same (2003-09-30),
9. 6544707 - Two component developing agent and an image forming apparatus by use of the same (2003-04-08),
10. 5976747 - Ferrite carrier for electrophotographic developer and (1999-11-02),
11. 5965317 - Regeneration of carrier and electrophotographic developer containing (1999-10-12),

Title: The Innovative Contributions of Tsuyoshi Itagoshi

Introduction

Tsuyoshi Itagoshi is a prominent inventor based in Kashiwa, Japan. He has made significant contributions to the field of electrophotographic developers, holding a total of 11 patents. His work focuses on enhancing the quality and efficiency of imaging technologies.

Latest Patents

Among his latest patents are a ferrite core material for resin-filled type carriers, a resin-filled type carrier, and an electrophotographic developer utilizing this carrier. The ferrite core material is designed to be used in a resin-filled type carrier, which, when mixed with toner, ensures high image density without carrier adhesion. This innovation maintains high-quality images over extended periods. Additionally, his patents include a ferrite carrier for electrophotographic developers characterized by a compression breaking strength of 150 MPa or more, a rate of compressive change of 15.0% or more, and a shape factor SF-1 ranging from 100 to 125.

Career Highlights

Tsuyoshi Itagoshi has worked with Powdertech Co., Ltd., where he has applied his expertise in developing advanced materials for imaging technologies. His innovative approach has led to significant advancements in the field.

Collaborations

He has collaborated with notable colleagues such as Hiromichi Kobayashi and Yuji Sato, contributing to the development of cutting-edge technologies in electrophotography.

Conclusion

Tsuyoshi Itagoshi's contributions to the field of electrophotographic developers demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and its applications in imaging technology.

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