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For the Inventor, By the Inventor

Kanagawa, Japan

Koutarou Yoshihara

This inventor holds 21 USPTO granted patents, primarily in Image Formation Technology. Top assignee: Fuji Xerox Co., Ltd.. Active years: 1998-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koutarou Yoshihara. Retrieved from https://idiyas.com/inventor/koutarou-yoshihara

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 = 76.2

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 94(Granted Patents)


Location History:

  • Minami-ashigara, JP (1998 - 2011)
  • Saitama, JP (2014)
  • Kanagawa, JP (2010 - 2015)

Company Filing History:

goldMedal21 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents

Years Active: 1998-2015

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Areas of Expertise:
Powder Container
Image Forming Apparatus
Electrostatic Latent Image
Color Image Formation
Toner Development
One-Component Developer
Electrophotographic Toner
Composite Color Image
Developer Cartridge
Carrier for Development
Image-Forming Process
Aggregation-Forming Unit
21 patents (USPTO):Explore Patents
1. 9207578 - Powder container and image forming apparatus (2015-12-08),
2. 9176426 - Powder container and image forming apparatus (2015-11-03),
3. 8958725 - Powder container having shield for shutter and image forming apparatus mounted with the same (2015-02-17),
4. 8877419 - Method of forming composite color image (2014-11-04),
5. 8628904 - Carrier, developer for replenishment, developer cartridge for replenishment, and image forming apparatus (2014-01-14),
6. 8331830 - Powder transporting unit and image forming apparatus using the same (2012-12-11),
7. 8062822 - Carrier for electrostatic latent image development and electrostatic latent image developer (2011-11-22),
8. 7853172 - Image forming device with aggregation-forming unit that removes adherents (2010-12-14),
9. 6878498 - Electrostatic latent image developing toner, its production method, developer, image-forming device and image-forming method (2005-04-12),
10. 6730448 - Image forming method, process cartridge and image forming apparatus (2004-05-04),
11. 6677093 - Electrophotographic black toner, electrophotographic developer and image forming method (2004-01-13),
12. 6617088 - Developer and image forming method (2003-09-09),
13. 6383704 - Full color electrophotographic toner, full color electrophotographic developer and image forming method (2002-05-07),
14. 6379857 - Method for forming color image (2002-04-30),
15. 6203958 - Toner and method of image formation using the same (2001-03-20),

Title: **Innovative Contributions of Koutarou Yoshihara**

Introduction

Koutarou Yoshihara, based in Kanagawa, Japan, is a notable inventor with an impressive record of 21 patents. His work primarily revolves around advancements in powder container technology, contributing significantly to the field of imaging and printing solutions.

Latest Patents

Yoshihara's most recent patents include a sophisticated powder container and an image forming apparatus. The innovative design features a body with a pair of walls that effectively block both longitudinal ends. This powder container is intended for mounting onto an apparatus, designed to operate with the powder while ensuring that the longitudinal direction of the body aligns transversely with the apparatus. The container includes an opening located at a lower position that allows for efficient powder supply. Additionally, the invention incorporates a shutter mechanism that remains closed prior to mounting, preventing unintended spilling of the powder, which opens only after proper installation, enhancing user convenience and operational efficiency.

Career Highlights

Koutarou Yoshihara has dedicated his career to pioneering advancements in imaging technology. His role at Fuji Xerox Co., Ltd. has been pivotal in developing innovative printing solutions that meet the evolving needs of consumers and businesses alike. His extensive patent portfolio demonstrates his commitment to pushing the boundaries of technology in his field.

Collaborations

During his career, Yoshihara has collaborated with esteemed colleagues, including Susumu Yoshino and Tetsuya Taguchi. These partnerships have fostered a creative environment that encourages innovative thinking and the development of cutting-edge technologies in imaging and printing.

Conclusion

Koutarou Yoshihara's contributions to the field of powder container technology and imaging apparatus design highlight his innovative spirit as an inventor. With 21 patents to his name, he continues to make a significant impact through his work at Fuji Xerox Co., Ltd., demonstrating the vital role of collaboration and creativity in the advancement of technology.

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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