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Kashiwa, Japan

Hiromichi Kobayashi

This inventor holds 23 USPTO granted patents and 3 EPO patents, primarily in Electrophotographic Development. Top assignees: Powdertech Co., Ltd., Mitsui Minings & Melting Co., Ltd., Mtg Co., Ltd.. Active years: 1997-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromichi Kobayashi. Retrieved from https://idiyas.com/inventor/hiromichi-kobayashi

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

USPTO Granted Patents = 23

% Patents Active = 69.6

 

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Nagareyama, JP (2012 - 2013)
  • Naganeyama, JP (2013)
  • Kashiwa, JP (1997 - 2014)
  • Chiba, JP (2007 - 2017)

Company Filing History:

goldMedal21 out of 94 
 
Powdertech Co., Ltd.
 patents
silverMedal2 out of 817 
 
Mitsui Minings & Melting Co., Ltd.
 patents
bronzeMedal1 out of 100 
 
Mtg Co., Ltd.
 patents
4. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2017

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Areas of Expertise:
Electrophotographic Developer
Ferrite Carrier
Granulating Method
Resin-Filled Carrier
Core Material
Image Forming Method
Two-Component Developer
Quality Inspection
23 patents (USPTO):Explore Patents
1. 9713581 - Magnetic powder for cosmetic agent (2017-07-25),
2. 8628905 - Ferrite core material for resin-filled type carrier, resin-filled type carrier, and electrophotographic developer using the carrier (2014-01-14),
3. 8475988 - Resin-filled ferrite carrier core material for electrophotographic developer, ferrite carrier and electrophotographic developer using the ferrite carrier (2013-07-02),
4. 8431311 - Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrier (2013-04-30),
5. 8187781 - Resin-filled ferrite carrier for electrophotographic developer, production method thereof and electrophotographic developer using the ferrite carrier (2012-05-29),
6. 8168364 - Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrier (2012-05-01),
7. 8026033 - Ferrite carrier for electrophotographic developer and electrophotographic developer (2011-09-27),
8. 7914715 - Granulating method, granulated particle(s) and granulating device (2011-03-29),
9. 7880483 - Method for inspecting quality of core material for electrophotographic ferrite carrier (2011-02-01),
10. 7598011 - Irregular shaped ferrite carrier and electrophotographic developer using the ferrite carrier (2009-10-06),
11. 7566519 - Carrier for electrophotographic developer, and electrophotographic developer using the same (2009-07-28),
12. 7553597 - Carrier core material, coated carrier, and two-component developing agent for electrophotography (2009-06-30),
13. 7476483 - Carrier for electrophotographic developer and two-component electrophotographic developer (2009-01-13),
14. 7442483 - Ferrite carrier for electrophotographic developer and method for preparing the same, and electrophotographic developer using the same (2008-10-28),
15. 7288355 - Carrier for electrophotography developers, developer prepared by using the carrier and method for forming image (2007-10-30),

Hello! Thank you for providing me with the details about inventor Hiromichi Kobayashi from Kashiwa, JP. Let's dive into his fascinating world of inventions and patents.

Title: The Innovative World of Hiromichi Kobayashi

Introduction: Hiromichi Kobayashi is a prolific inventor based in Kashiwa, JP, known for his groundbreaking work in the field of magnetic materials and electrophotographic technologies. With an impressive portfolio of 23 patents, his contributions have had a significant impact on various industries.

Latest Patents: One of his latest patents includes a magnetic powder designed for cosmetic agents that can be removed by a magnetic attraction force. This unique powder, comprising a ferromagnetic ferrite with specific particle size distributions, sets a new standard for cosmetic applications. Additionally, his work on a ferrite core material for a resin-filled type carrier has revolutionized the field of electrophotographic developers, ensuring high-quality images over an extended period.

Career Highlights: Throughout his career, Hiromichi Kobayashi has worked with leading companies such as Powdertech Co., Ltd. and Mitsui Mining & Smelting Company, Ltd. His innovative spirit and dedication to research have earned him a reputation as a forward-thinker in the industry, constantly pushing the boundaries of what is thought possible.

Collaborations: Kobayashi has collaborated with esteemed colleagues such as Yuji Sato and Tsuyoshi Itagoshi, synergizing their expertise to drive innovation further. Together, they have pioneered new technologies and solutions that have reshaped the landscape of magnetic materials and electrophotography.

Conclusion: In conclusion, Hiromichi Kobayashi stands as a true visionary in the world of inventions and patents. His relentless pursuit of excellence and passion for innovation continue to inspire generations of inventors and researchers worldwide. We eagerly anticipate the next chapter in his journey of transforming ideas into reality.

I hope you find this overview of inventor Hiromichi Kobayashi insightful and inspiring! If you have any more requests or need further information, feel free to ask.

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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