For the Inventor, By the Inventor

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London, United Kingdom

Rank Xerox Ltd.

USPTO Granted Patents = 117

Forward Citations = 1,060

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129 inventors (with patents filed for the assignee):

Hajime Miyatuka (5 out of 13 patents)

Seiji Matsumoto (5 out of 38 patents)

Hidetoshi Kito (4 out of 8 patents)

4. Koichi Takiguchi (4 out of 4 patents)

5. Yasuo Tamai (4 out of 77 patents)

6. Masamichi Sato (3 out of 81 patents)

7. Satoru Honjo (3 out of 27 patents)

8. Vernon J Smith (3 out of 3 patents)

9. Osamu Matsumoto (3 out of 3 patents)

10. Hitoshi Ohmori (3 out of 3 patents)

11. Kozo Oka (3 out of 3 patents)

12. Masaaki Harada (2 out of 7 patents)

13. Kiyoshi Horie (2 out of 28 patents)

14. Yasuji Fukase (2 out of 4 patents)

15. Yoshiharu Namba (2 out of 3 patents)

Core Competencies:

Electrophotographic Technology

Toner Recovery Device

Paper Feeding Mechanism

Document Handling System

Cleaning Device

Heat Fixing Apparatus

Electrostatic Printing

Magnetic Brush Developing

Copying Machine

Photosensitive Member

Transfer Material Feed

Automatic Document Handler

117 patents: Sort by Forward Citations

1. 4826147 - Paper feed cassette (1989-05-02),

2. 4748473 - Printing apparatus with detack device (1988-05-31),

3. 4711561 - Toner recovery device (1987-12-08),

4. 4548402 - Paper sorting apparatus for a copier (1985-10-22),

5. 4499166 - Method of developing an electrostatic latent image uses magnetic (1985-02-12),

6. 4426435 - Process for forming an electrophotographic member having a protective (1984-01-17),

7. 4423950 - Cleaning device for an electrophotographic reproducing machine (1984-01-03),

8. 4394008 - Automatic and manual sheet feeding mechanism (1983-07-19),

9. 4382118 - Electrophotographic member with transport layer having inorganic n-type (1983-05-03),

10. 4352549 - Electrophotographic copying method and apparatus (1982-10-05),

11. 4348579 - Fixing roll in a copying machine (1982-09-07),

12. 4332851 - Receptor sheet for electrophotography (1982-06-01),

13. 4293630 - Electrophotographic photosensitive member (1981-10-06),

14. 4233611 - Recording head for electrostatic printing apparatus (1980-11-11),

15. 4207057 - Fixing device for use in electrophotographic copying machine (1980-06-10),

Rank Xerox Ltd. is a multinational document management technology company. They specialize in providing solutions and services related to printing, copying, and scanning. With a strong presence in the global market, Rank Xerox offers a wide range of innovative products and solutions to help businesses streamline their document management processes. Their website provides detailed information about their products, services, and solutions, enabling customers to make informed decisions. Visit their website to explore their offerings and learn how Rank Xerox can help transform your document management workflow.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

117 Patents

#34 in London

#142 in United Kingdom

#6,590 in the World

London, United Kingdom

Rank Xerox Ltd.

Forward Citations = 1,060

129 inventors:

Hajime Miyatuka (5 out of 13 patents)

Seiji Matsumoto (5 out of 38 patents)

Hidetoshi Kito (4 out of 8 patents)

4. Koichi Takiguchi (4 out of 4 patents)

5. Yasuo Tamai (4 out of 77 patents)

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