Kouji Hashimoto

This inventor holds 20 USPTO granted patents, primarily in Electrophotographic Imaging. Top assignee: Canon Kabushiki Kaisha. Active years: 1996-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Hashimoto. Retrieved from https://idiyas.com/inventor/kouji-hashimoto

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

Calculating rank

USPTO Granted Patents = 20

% Patents Active = 85.0

Average Co-Inventor Count = 2.3

ph-index = 14

Forward Citations = 741(Granted Patents)

Location History:

Chiba-ken, JP (1999)
Matsudo, JP (1996 - 2000)
Numazu, JP (2000)
Shizuoka, JP (2003)
Shizouka-ken, JP (2004)
Shizuoka-ken, JP (2000 - 2007)

Company Filing History:

20 out of 93,136

Canon Kabushiki Kaisha

patents

Years Active: 1996-2007

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Areas of Expertise:

Electrophotographic

Process Cartridge

Developing Apparatus

Toner Container

Image Forming

Developer Bearing

Sealing Member

Charging Roller

Toner Seal Member

Tape Loading Device

Voltage Application

Positional Relationship

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7233752 - Process cartridge and electrophotographic image forming apparatus (2007-06-19),

2. 7027754 - Process cartridge and electrophotographic image forming apparatus (2006-04-11),

3. 6735403 - IMAGE FORMING APPARATUS TO WHICH A DEVELOPING CARTRIDGE OR PROCESS CARTRIDGE ARE DETACHABLY MOUNTABLE COMPRISING DRIVING CONTROL MEANS FOR PERMITTING AND PREVENTING TRANSMISSION OF A DRIVING FORCE TO A WINDING MEMBER (2004-05-11),

4. 6654583 - Developing apparatus (2003-11-25),

5. 6560422 - DEVELOPMENT CARTRIDGE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND TONER SEAL MEMBER FOR UNSEALING AN OPENING FOR SUPPLYING DEVELOPER BY AUTOMATICALLY WINDING UP THE TONER SEAL MEMBER (2003-05-06),

6. 6415127 - Developing apparatus having a direct or alternating current applied thereto (2002-07-02),

7. 6298203 - Developing apparatus featuring suppressed deviation of a positional relationship between a developer bearing member and a developer regulator member and method for assembling the apparatus (2001-10-02),

8. 6246853 - Toner container, development cartridge, and process cartridge (2001-06-12),

9. 6229979 - Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearing (2001-05-08),

10. 6151459 - Development cartridge and image forming apparatus (2000-11-21),

11. 6144820 - Developing apparatus with a sealing member having an insulating layer (2000-11-07),

12. 6101352 - Developing cartridge for developing an electrostatic image formed on an (2000-08-08),

13. 6064844 - Developing apparatus (2000-05-16),

14. 6044235 - Process cartridge having raised fabric-like cleaning member (2000-03-28),

15. 6016408 - Developer cartridge for developing a latent image detachably mountable (2000-01-18),

Title: Inventor Kouji Hashimoto: Innovating Electrophotographic Technology

Introduction

Kouji Hashimoto, based in Shizuoka-ken, Japan, is a prominent inventor with a remarkable portfolio that includes 20 patents. His innovations primarily focus on advancements in electrophotographic technologies, making significant contributions to the field.

Latest Patents

Among his notable recent inventions are a series of patents for a process cartridge and an electrophotographic image forming apparatus. These patents describe a process cartridge that is detachably mountable to a main assembly of an electrophotographic image forming apparatus. Key features include first and second end covers, multiple bottom-surface portions guided by assembly portions, and a unique driving force receiving portion that enhances efficiency by allowing the cartridge's developing member to rotate during operation.

Career Highlights

Kouji Hashimoto is currently associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His career at Canon has been marked by his commitment to innovation and the development of new technologies in the imaging arena.

Collaborations

Throughout his career, Hashimoto has collaborated with notable colleagues, including Tachio Kawai and Kenji Matsuda. Their combined efforts have played an essential role in refining and enhancing the inventions in the field of electrophotographic technology.

Conclusion

Kouji Hashimoto stands out as a pivotal figure in the realm of electrophotographic technology through his innovative spirit and dedication to research. His ongoing work at Canon, complemented by valuable collaborations, ensures his continued impact in the industry, shaping the future of image forming apparatuses and their applications.

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]