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For the Inventor, By the Inventor

Tsuchiura, Japan

Yoshiyuki Kakumi

This inventor holds 12 USPTO granted patents and 1 EPO patent. Top assignee: Canon Kabushiki Kaisha. Active years: 2002-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Kakumi. Retrieved from https://idiyas.com/inventor/yoshiyuki-kakumi

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

USPTO Granted Patents = 12

% Patents Active = 41.7


Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 138(Granted Patents)


Company Filing History:

goldMedal12 out of 93,085 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2002-2006

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12 patents (USPTO):Explore Patents
1. 7062199 - Process cartridge remanufacturing method (2006-06-13),
2. 6721520 - Remanufacturing method for process cartridge (2004-04-13),
3. 6643482 - Remanufacturing method for process cartridge (2003-11-04),
4. 6643481 - Remanufacturing method for process cartridge (2003-11-04),
5. 6615008 - Remanufacturing method for process cartridge (2003-09-02),
6. 6577829 - REMANUFACTURING METHOD FOR A PROCESS CARTRIDGE HAVING A TONER SEAL THAT IS UNSEALED UPON THE START OF USE OF THE CARTRIDGE COMPRISING THE STEPS OF SEPARATING FIRST AND SECOND UNITS OF THE CARTRIDGE AND RECOUPLING THE UNITS WITHOUT REMOUNTING THE TONER SEAL (2003-06-10),
7. 6574445 - Method of remanufacturing process cartridge including additional seal mounting step (2003-06-03),
8. 6519430 - Remanufacturing method comprising developing blade dismounting and mounting steps (2003-02-11),
9. 6505020 - Remanufacturing method of process cartridge (2003-01-07),
10. 6493527 - Process cartridge (2002-12-10),
11. 6473577 - Process cartridge remanufacturing method (2002-10-29),
12. 6397025 - Process cartridge remanufacturing method (2002-05-28),

Title: Innovations of Yoshiyuki Kakumi

Introduction

Yoshiyuki Kakumi is a notable inventor based in Tsuchiura, Japan. He has made significant contributions to the field of remanufacturing process cartridges, holding a total of 12 patents. His work has been instrumental in improving the efficiency and sustainability of printing technologies.

Latest Patents

Kakumi's latest patents focus on innovative methods for remanufacturing process cartridges. One of his key inventions is a comprehensive remanufacturing method that involves several steps, including the preparation of used cartridges, separation of components, and the reassembly of the cartridge with new materials. This method enhances the functionality of the cartridges while reducing waste. Another patent outlines a detailed process for separating a cartridge into its frame members, dismounting essential components, and refilling the developer, ensuring that the cartridges can be reused effectively.

Career Highlights

Yoshiyuki Kakumi is currently employed at Canon Inc., where he continues to develop innovative solutions in the printing industry. His expertise in cartridge remanufacturing has positioned him as a leader in this niche area of technology. His contributions have not only advanced the company's product offerings but have also set new standards in the industry.

Collaborations

Kakumi has worked alongside talented colleagues such as Akira Higeta and Satoshi Yasuda. Their collaborative efforts have led to the development of cutting-edge technologies that enhance the performance and sustainability of printing solutions.

Conclusion

Yoshiyuki Kakumi's innovative work in the field of remanufacturing process cartridges exemplifies the importance of sustainability in technology. His patents and contributions continue to influence the industry positively.

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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