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For the Inventor, By the Inventor

Yokohama, Japan

Masami Kadonaga

This inventor holds 10 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1993-2007.

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 162(Granted Patents)


Location History:

  • Yokohama, JP (1993 - 2002)
  • Kanagawa, JP (2000 - 2007)

Company Filing History:

goldMedal10 out of 28,925 
 
Ricoh Company, Ltd.
 patents

Years Active: 1993-2007

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10 patents (USPTO):Explore Patents
1. 7194224 - Image forming apparatus, image forming process, and process cartridge (2007-03-20),
2. 6449449 - Apparatus for image forming and charging capable of effectively maintaining a charge potential (2002-09-10),
3. 6157795 - Image forming apparatus and method configured to reduce a transfer (2000-12-05),
4. 5955228 - Method and apparatus for forming a powder image (1999-09-21),
5. 5600356 - Liquid jet recording head having improved radiator member (1997-02-04),
6. 5420618 - Ink jet recording method and apparatus having drop size control by using (1995-05-30),
7. 5412413 - Method and apparatus for making liquid drop fly to form image by (1995-05-02),
8. 5389962 - Ink jet recording head assembly (1995-02-14),
9. 5359350 - Method of driving ink jet printing head (1994-10-25),
10. 5270740 - Ink jet head (1993-12-14),

Title: Masami Kadonaga: Innovator in Image Forming Technology

Introduction

Masami Kadonaga is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of image forming technology, holding a total of 10 patents. His work focuses on enhancing image quality and durability in various imaging devices.

Latest Patents

Kadonaga's latest patents include innovations such as an image forming apparatus, an image forming process, and a process cartridge. These inventions aim to improve image quality and the durability of photoconductors. The image forming apparatus is designed to ensure stable image formation even after repeated usage. It utilizes a superimposed alternating voltage to enhance image quality and stability while reducing charging hazards on the photoconductor. The apparatus comprises several components, including a photoconductor, a latent electrostatic image forming unit, a developing unit, a transferring unit, and a fixing unit.

Another notable invention is a charging apparatus that effectively maintains charge potential. This device features a charge roller that adjoins a photoconductive member to provide a charge to its surface. The charge roller consists of multiple roller layers, with one layer designed to raise the roller surface potential through charge movement.

Career Highlights

Masami Kadonaga is currently associated with Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His work has significantly impacted the efficiency and effectiveness of image forming devices.

Collaborations

Kadonaga has collaborated with notable coworkers, including Takuro Sekiya and Eiko Suzuki, who contribute to the innovative environment at Ricoh Company, Ltd.

Conclusion

Masami Kadonaga's contributions to image forming technology exemplify the importance of innovation in enhancing device performance. His patents reflect a commitment to improving image quality and durability, making a lasting impact in the industry.

Profile summary based on public USPTO records.
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