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For the Inventor, By the Inventor

Inagi, Japan

Yoshifumi Hano

This inventor holds 10 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1996-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Hano. Retrieved from https://idiyas.com/inventor/yoshifumi-hano

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 6

Forward Citations = 76(Granted Patents)


Location History:

  • Inagi, JP (1996 - 1999)
  • Susono, JP (1999 - 2001)

Company Filing History:

goldMedal10 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1996-2001

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10 patents (USPTO):Explore Patents
1. 6285848 - Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive (2001-09-04),
2. 5940662 - Charging apparatus and electrophotographic apparatus (1999-08-17),
3. 5890037 - Electrophotographic apparatus using photoconductive member chargeable (1999-03-30),
4. 5805961 - Charging member having bristless, process cartridge, and (1998-09-08),
5. 5790926 - Charging member having a raised fiber-entangled material, and process (1998-08-04),
6. 5751405 - Image forming apparatus (1998-05-12),
7. 5731122 - Image forming method and image forming apparatus (1998-03-24),
8. 5724632 - Charging apparatus and electrophotographic apparatus (1998-03-03),
9. 5715501 - Image forming method using a surface with a specified water contact (1998-02-03),
10. 5576810 - Image forming method (1996-11-19),

Title: Innovations of Yoshifumi Hano: Pioneering Electrophotographic Technology

Introduction

Yoshifumi Hano, an accomplished inventor based in Inagi, Japan, is known for his significant contributions to the field of electrophotography. With a remarkable portfolio of ten patents, his work has greatly advanced the technology used in imaging and printing.

Latest Patents

Hano's latest patents focus on innovative electrophotographic apparatuses, which include a comprehensive mechanism for image formation. One notable invention is an electrophotographic apparatus that comprises an electrophotographic photosensitive member, alongside critical components such as a charger, an imagewise exposure device, a developing device, and a transfer device. The charger utilizes magnetic particles that touch the photosensitive member, efficiently charging it through a voltage application. This invention emphasizes the importance of a coupling agent with long-chain alkyl groups in enhancing the performance and longevity of the magnetic particles.

Additionally, his work on a charging apparatus also integrates a photosensitive member and a specialized charging mechanism. The magnetic particles in this device are combined with a polyolefin resin, contributing to improved performance and efficiency in charging processes.

Career Highlights

Yoshifumi Hano has built a notable career at Canon Kabushiki Kaisha, where he has been instrumental in pioneering new technologies in the imaging sector. His work not only helps in refining existing technology but also sets the foundation for future innovations in electrophotography.

Collaborations

Hano has collaborated with other talented individuals in the field, including coworkers Shuichi Aita and Tsutomu Kukimoto. Through these collaborations, Hano has been able to pool knowledge and expertise, further enhancing the innovative efforts at Canon Kabushiki Kaisha.

Conclusion

Yoshifumi Hano’s ingenuity in developing electrophotographic apparatuses has significantly impacted imaging technology. His extensive experience and relentless pursuit of innovation solidify his reputation as a leading inventor in the realm of electrophotography, driving the industry toward greater efficiency and reliability.

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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