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For the Inventor, By the Inventor

Sagamihara, Japan

Tsuyoshi Imamura

USPTO Granted Patents = 27


Average Co-Inventor Count = 5.4

ph-index = 11

Forward Citations = 476(Granted Patents)


Location History:

  • Hachioji, JP (1993)
  • Tokyo, JP (2001)
  • Kanagawa-ken, JP (2007)
  • Kanagawa, JP (1999 - 2008)
  • Sagamihara, JP (2001 - 2013)

Company Filing History:

goldMedal27 out of 28,544 
 
Ricoh Company, Ltd.
 patents

Years Active: 1993-2013

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27 patents (USPTO):Explore Patents
1. 8535116 - Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same (2013-09-17),
2. 8500615 - Magnetic roller and manufacturing method thereof, developer carrier, development device, processing cartridge, and image forming apparatus (2013-08-06),
3. 8175501 - Development roller including a development sleeve, surface treatment device that treats an outer surface of the development sleeve and wire member that roughens the outer surface of the development sleeve (2012-05-08),
4. 8023867 - Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatus (2011-09-20),
5. 7899374 - Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same (2011-03-01),
6. 7891094 - Method of manufacturing a hollow body used in an image forming apparatus (2011-02-22),
7. 7664441 - Developer holding member, development device, process cartridge, image forming apparatus and method of manufacturing hollow body (2010-02-16),
8. 7572388 - Magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatus (2009-08-11),
9. 7366454 - Long magnet, production method thereof, magnet roller and image forming device (2008-04-29),
10. 7356295 - Developer-carrying member having improved transportability, a developing unit, a process cartridge and an image forming apparatus (2008-04-08),
11. 7352983 - Development magnet roller, development device, process cartridge and image forming apparatus (2008-04-01),
12. 7272342 - Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus (2007-09-18),
13. 7228093 - Method and apparatus for image forming capable of performing a stable image development (2007-06-05),
14. 7212773 - Image forming apparatus (2007-05-01),
15. 7203450 - Developing roller, developing apparatus, process cartridge, and image formation apparatus (2007-04-10),

Title: **Innovative Contributions of Tsuyoshi Imamura in Magnetic Technologies**

Introduction

Tsuyoshi Imamura, hailing from Sagamihara, Japan, is a prominent inventor known for his significant contributions to the field of magnetic technologies. With a total of 27 patents to his name, Imamura has played a pivotal role in advancing the efficiency and functionality of various devices, particularly in the imaging and treatment sectors.

Latest Patents

Among his latest innovations, Tsuyoshi Imamura has developed several notable patents, including a magnetic particle carrying device and a corresponding developing unit, process cartridge, and image forming apparatus. His invention features a magnetic particle carrying device that includes a magnetic field generator within a hollow cylindrical structure. This design effectively attracts magnetic particles on its external surface through the magnetic field produced. Notably, the hollow cylindrical structure is enhanced with elliptical depressions, designed to optimize the particle attraction process. Furthermore, his work on a magnetic roller encompasses a solid-core roller characterized by magnetic anisotropy, displaying innovative features that enhance its functionality in development devices and processing cartridges. This inventive approach underlines Imamura's expertise in designing advanced imaging technologies.

Career Highlights

Tsuyoshi Imamura's dedication and inventiveness have greatly benefited Ricoh Company, Ltd., where he currently works. His impressive portfolio reflects a consistent focus on developing cutting-edge solutions that address the evolving demands of technology, particularly in imaging and magnetic applications.

Collaborations

Throughout his career, Imamura has collaborated with talented individuals such as Kyohta Koetsuka and Noriyuki Kamiya. These collaborations have enabled the production of innovative products, further establishing a culture of creativity and advancement within their field.

Conclusion

In summary, Tsuyoshi Imamura is a distinguished inventor whose work has substantially impacted the realm of magnetic technologies. His numerous patents not only showcase his inventive capabilities but also highlight his commitment to innovation, fostering growth and excellence in his industry. His ongoing contributions continue to inspire future developments in technology.

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