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Kanagawa, Japan

Tsutomu Onuma

USPTO Granted Patents = 23


Average Co-Inventor Count = 5.2

ph-index = 12

Forward Citations = 414(Granted Patents)


Location History:

  • Kawasaki, JP (1994 - 1995)
  • Kanagawa, JP (2004 - 2008)
  • Yokohama, JP (1997 - 2010)

Company Filing History:

goldMedal23 out of 90,594 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1994-2010

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23 patents (USPTO):Explore Patents
1. 7745089 - Process for producing toner, and toner (2010-06-29),
2. 7457572 - Image forming method and process cartridge using specific toner regulating blade and toner (2008-11-25),
3. 7351509 - Toner (2008-04-01),
4. 7306889 - Process for producing toner, and toner (2007-12-11),
5. 7288354 - Toner (2007-10-30),
6. 7273686 - Toner (2007-09-25),
7. 6810217 - Process cartridge (2004-10-26),
8. 6673506 - Toner production process (2004-01-06),
9. 6630275 - Magnetic toner and process cartridge (2003-10-07),
10. 6589701 - Dry toner, image forming method and process cartridge (2003-07-08),
11. 6541174 - Method using toner and developer for developing electrostatic image (2003-04-01),
12. 6537716 - Toner for developing electrostatic images and heat fixing method (2003-03-25),
13. 6458499 - Toner having hydrocarbon wax with specific ester value and hydroxyl value (2002-10-01),
14. 6426169 - Toner containing azo iron compound (2002-07-30),
15. 6187496 - Toner and developer for developing electrostatic image, process for production thereof and image forming method (2001-02-13),

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I can provide information on inventor Tsutomu Onuma from Kanagawa, JP. Here is the structured article based on the data provided:

Title: Unleashing Innovation: The Inventor Tsutomu Onuma

Introduction: Meet Tsutomu Onuma, a prolific inventor with 23 patents to his name and a knack for revolutionizing toner production processes.

Latest Patents: Tsutomu Onuma's latest patents include a groundbreaking process for producing toner. This process involves cross-linking reactions to create a toner composition with superior fixing performance, anti-offset properties, and durability, ensuring high-quality images in various environmental conditions.

Career Highlights: Tsutomu Onuma is affiliated with Canon Kabushiki Kaisha, a renowned company in the field. He has showcased exceptional expertise in developing innovative toner solutions that cater to diverse printing requirements.

Collaborations: Tsutomu Onuma has worked closely with esteemed colleagues such as Hirohide Tanikawa and Nobuyuki Okubo, demonstrating a collaborative spirit in advancing toner technology.

Conclusion: Tsutomu Onuma's contributions to the field of toner production are exemplary, reflecting his commitment to innovation and quality in every patent he has secured.

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