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For the Inventor, By the Inventor

Higashimatsuyama, Japan

Nobuo Nakajima

This inventor holds 33 USPTO granted patents and 3 EPO patents, primarily in Image Formation Technology. Top assignees: Canon Kabushiki Kaisha, Canon Finetech Inc., Other. Active years: 2003-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuo Nakajima. Retrieved from https://idiyas.com/inventor/nobuo-nakajima

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

Calculating rank
USPTO Granted Patents = 33

% Patents Active = 57.6


Average Co-Inventor Count = 3.7

ph-index = 16

Forward Citations = 586(Granted Patents)


Location History:

  • Chiba, JP (2004 - 2005)
  • Kashiwa, JP (2003 - 2009)
  • Higashimatsuyama, JP (2008 - 2021)

Company Filing History:

goldMedal32 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
silverMedal1 out of 203 
 
Canon Finetech Inc.
 patents
bronzeMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 2003-2021

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Areas of Expertise:
Developer Supply Container
Image Forming Apparatus
Developer Supplying Device
Toner Supplying Cartridge
Replenishment Container
Shutter Cleaning Feature
Light Source Unit
Scanning Optical Apparatus
Light Deflecting Apparatus
Shutter Movement Prevention
Photocopier
33 patents (USPTO):Explore Patents
1. 11119425 - Developer supply container (2021-09-14),
2. 10564574 - Developer supply container (2020-02-18),
3. 10088773 - Developer supply kit, developer supplying device and image forming apparatus (2018-10-02),
4. 9720349 - Developer supply kit, developer supplying device and image forming apparatus (2017-08-01),
5. 9632455 - Developer supply container and developer supplying system (2017-04-25),
6. 9529299 - Developer supply container and developer supplying apparatus (2016-12-27),
7. 9256194 - Developer supply container (2016-02-09),
8. 9229364 - Developer supply container and developer supplying system (2016-01-05),
9. 9164423 - Developer replenishment container accommodating apparatus, developer replenishment container, and image forming apparatus (2015-10-20),
10. 8649711 - Developer supply container (2014-02-11),
11. 8131189 - Developer supply container (2012-03-06),
12. 7957679 - Developer supply container (2011-06-07),
13. 7796923 - Developer supply container (2010-09-14),
14. 7773919 - Developer supply container (2010-08-10),
15. 7764909 - Developer supply container (2010-07-27),

Title: The Innovative Mind of Nobuo Nakajima: Revolutionizing Developer Supply Containers

Introduction:

Nobuo Nakajima, a prolific inventor hailing from Higashimatsuyama, Japan, has made significant strides in the field of developer supply containers, holding an impressive portfolio of 33 patents.

Latest Patents:

Nakajima's recent patents focus on optimizing developer supply container operations. By enhancing the rotation load of key gear mechanisms and incorporating locking mechanisms, he ensures smooth and precise developer supply positioning, ultimately preventing abnormalities in developer distribution.

Career Highlights:

With a notable stint at Canon Kabushiki Kaisha and Canon Finetech Inc., Nakajima has honed his expertise in imaging and optical products. His dedication to improving developer supply technologies has garnered recognition in the industry.

Collaborations:

Throughout his career, Nakajima has collaborated closely with esteemed colleagues such as Katsuya Murakami and Toshiaki Nagashima. Their joint efforts have led to advancements in developer container design and functionality.

Conclusion:

Nobuo Nakajima's innovative approach to developer supply containers has positioned him as a pioneer in the field, with a robust patent portfolio reflecting his commitment to excellence and ingenuity. His contributions continue to shape the landscape of imaging technology and set new standards for precision and efficiency in developer supply mechanisms.

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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