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For the Inventor, By the Inventor

Kanagawa, Japan

Hiroyuki Saitoh

This inventor holds 15 USPTO granted patents. Top assignee: Fuji Xerox Co., Ltd.. Active years: 1985-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Saitoh. Retrieved from https://idiyas.com/inventor/hiroyuki-saitoh

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 9

Forward Citations = 207(Granted Patents)


Location History:

  • Kanagawa, JP (1985 - 1987)
  • Ebina, JP (1986 - 1987)

Company Filing History:

goldMedal15 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents

Years Active: 1985-1987

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15 patents (USPTO):Explore Patents
1. 4709149 - Copying machine (1987-11-24),
2. 4661703 - Two-color copying machine (1987-04-28),
3. 4652913 - Method and apparatus for reading color images using a plurality of color (1987-03-24),
4. 4638372 - Color copier (1987-01-20),
5. 4636081 - Apparatus for reading color image (1987-01-13),
6. 4633314 - Shading correction device (1986-12-30),
7. 4633301 - Method and apparatus with white balancing correction for separating a (1986-12-30),
8. 4626922 - Picture signal discriminating circuit (1986-12-02),
9. 4598999 - Area detection method of an original for use in copying machines (1986-07-08),
10. 4554583 - Shading correction device (1985-11-19),
11. 4518999 - Picture image position setting apparatus (1985-05-21),
12. 4518988 - Two-color copying machine (1985-05-21),
13. 4518987 - Three-color copying machine (1985-05-21),
14. 4514744 - Electrostatic copying device employing thermally fluidizable medium on (1985-04-30),
15. 4505574 - Copying machine (1985-03-19),

Title: Hiroyuki Saitoh: Innovator in Copying Technology

Introduction

Hiroyuki Saitoh is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of copying technology, holding a total of 15 patents. His innovative designs have advanced the capabilities of copying machines, making them more efficient and versatile.

Latest Patents

One of Saitoh's latest inventions is a copying machine that records images on a recording sheet using an ink donor sheet with thermally transferable ink. This machine features a glass platen for supporting the original document, a scanner unit that reads the original and generates image signals, and a thermal head that selectively generates thermal pulses. The design includes an ink donor sheet supply assembly and a recording sheet discharging assembly, ensuring high-quality image reproduction.

Another notable invention is a two-color copying machine that can record images in red and black. This machine utilizes thermally transferable inks on separate ink donor sheets. It includes a scanner unit that generates single color image signals, a pair of thermal heads for each color, and a recording sheet peeling assembly. This innovation allows for more dynamic and colorful copying options.

Career Highlights

Hiroyuki Saitoh has dedicated his career to enhancing copying technology. His work at Fuji Xerox Co., Ltd. has positioned him as a key player in the industry. His inventions have not only improved the functionality of copying machines but have also set new standards for image quality and efficiency.

Collaborations

Throughout his career, Saitoh has collaborated with talented individuals such as Masami Kurata and Haruhiko Takahashi. These partnerships have fostered a creative environment that has led to groundbreaking innovations in copying technology.

Conclusion

Hiroyuki Saitoh's contributions to the field of copying technology are noteworthy and impactful. His inventions continue to shape the industry, demonstrating his commitment to innovation and excellence.

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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