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For the Inventor, By the Inventor

Kanagawa, Japan

Kohji Hatayama

This inventor holds 24 USPTO granted patents, primarily in Image Forming Technology. Top assignee: Ricoh Company, Ltd.. Active years: 2009-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohji Hatayama. Retrieved from https://idiyas.com/inventor/kohji-hatayama

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

USPTO Granted Patents = 24

% Patents Active = 45.8

Average Co-Inventor Count = 5.1

ph-index = 7

Forward Citations = 163(Granted Patents)


Location History:

  • Ikeda, JP (2010)
  • Osaka, JP (2009 - 2011)
  • Kanagawa, JP (2011 - 2012)
  • Kanagawa-ken, JP (2011 - 2012)
  • Ebina, JP (2012 - 2013)

Company Filing History:

goldMedal24 out of 28,940 
 
Ricoh Company, Ltd.
 patents

Years Active: 2009-2013

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Areas of Expertise:
Image Forming Apparatus
Automatic Document Feeder
Transfer Device
Toner Structures
Powder Container
Dust Container
Post-Processing
Sheet Feeding Unit
Belt Unit
Conveying Device
Guide Member
Upper Frame Mechanism
24 patents (USPTO):Explore Patents
1. 8600288 - Image forming apparatus (2013-12-03),
2. 8382095 - Sheet feeding unit, image reading device including same, and image forming apparatus including the image reading device with independent cover and restriction member (2013-02-26),
3. 8322710 - Automatic document feeder with sheet detector (2012-12-04),
4. 8265524 - Transfer device, image forming apparatus, and waste toner container (2012-09-11),
5. 8244167 - Image forming apparatus (2012-08-14),
6. 8204431 - Compact image forming apparatus with post-processing (2012-06-19),
7. 8194255 - Image forming apparatus (2012-06-05),
8. 8154770 - Image forming apparatus (2012-04-10),
9. 8103186 - Image forming apparatus (2012-01-24),
10. 8089666 - Image forming apparatus (2012-01-03),
11. 8045887 - Image forming apparatus (2011-10-25),
12. 8032071 - Image forming apparatus including a reading part supported by first and second supporters (2011-10-04),
13. 7982923 - Image forming apparatus (2011-07-19),
14. 7970336 - Powder housing unit and image forming apparatus with powder housing unit (2011-06-28),
15. 7970297 - Powder container and image forming apparatus (2011-06-28),

Title: Kohji Hatayama - Innovator in Image Forming Technology

Introduction

Kohji Hatayama, based in Kanagawa, Japan, is a prolific inventor who has made significant contributions to the field of imaging technology. With a remarkable portfolio of 24 patents, Hatayama has established himself as an innovative force in his industry.

Latest Patents

Hatayama's latest patents highlight his expertise in image forming apparatuses. One notable invention is an image forming apparatus that includes an image forming unit, a first sheet stack portion, a sheet output section, and a post-processing unit. This apparatus is designed to enhance the efficiency of printing by enabling seamless output of both processed and unprocessed sheets. Additionally, he has developed a sheet feeding unit that features a unique design with a restriction member that can switch between feeding and separating sheets, improving the overall usability of the device.

Career Highlights

Kohji Hatayama currently works with Ricoh Company, Ltd., a leading global technology company known for its innovative imaging and electronics solutions. Throughout his career, Hatayama’s inventions have played a significant role in advancing printing technologies, making him a notable figure in the industry.

Collaborations

In his endeavors, Hatayama has collaborated with talented coworkers such as Takayuki Andoh and Takamasa Shiraki. Together, they contribute to the development of cutting-edge solutions that meet the evolving needs of the market.

Conclusion

Kohji Hatayama's commitment to innovation in image forming technology is evidenced by his successful track record and substantial number of patents. His work continues to impact the industry significantly, paving the way for future advancements and addressing the complexities of imaging and printing solutions.

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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