For the Inventor, By the Inventor

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San Jose, CA, United States of America

Ricoh Systems, Inc.

USPTO Granted Patents = 21

Forward Citations = 146

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16 inventors (with patents filed for the assignee):

Edward F Mayer (7 out of 25 patents)

Carl P Anderson (5 out of 9 patents)

Marco Padalino (4 out of 5 patents)

4. Victor B Van Blerk (2 out of 12 patents)

5. Herbert K Wurster (2 out of 3 patents)

6. Mark A Culpepper (2 out of 3 patents)

7. William J Murphy (1 out of 3 patents)

8. Donald F Pfeuffer (1 out of 4 patents)

9. Tomio Kubota (1 out of 1 patent)

10. Arthur C Lutus (1 out of 2 patents)

11. Steven R Ungemach (1 out of 1 patent)

12. Sanjiv Arora (1 out of 2 patents)

13. James G Larsen (1 out of 1 patent)

14. Elden R Morrison (1 out of 1 patent)

15. Alan L Koelling (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 4809016 - Inkjet interlace printing with inclined printhead (1989-02-28),

2. 4786303 - Method of fabricating a glass nozzle array for an inkjet printer (1988-11-22),

3. 4723150 - Dust control method and apparatus (1988-02-02),

4. 4710442 - Gradient layer panchromatic photoreceptor (1987-12-01),

5. 4703923 - Recirculating automatic document feeder (1987-11-03),

6. 4703330 - Color ink jet drop generator using a solid acoustic cavity (1987-10-27),

7. 4695848 - Inkjet printing system (1987-09-22),

8. 4668964 - Stimulator for inkjet printer (1987-05-26),

9. 4668071 - Character generator using cathode ray tube activated liquid crystal (1987-05-26),

10. 4639128 - Automatic platen document stop for electrophotographic copying apparatus (1987-01-27),

11. 4627702 - Wide belt tracking method and apparatus (1986-12-09),

12. 4619450 - Copying apparatus with automatic bottom feeder (1986-10-28),

13. 4615580 - Fiber optic high speed pulse scanner (1986-10-07),

14. 4600290 - Magnetic brush/stationary electrode development system (1986-07-15),

15. 4595933 - Ink liquid supply apparatus (1986-06-17),

Ricoh Systems, Inc. is a leading provider of document management solutions, IT services, and commercial printing equipment. With a focus on innovation and sustainability, Ricoh helps businesses streamline their workflows and improve productivity. Their advanced technology and expert services have earned them a reputation for reliability and efficiency in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#313 in San Jose, CA

#3,615 in California

#15,151 in US

#29,031 in the World

San Jose, CA, United States of America

Ricoh Systems, Inc.

Forward Citations = 146

16 inventors:

Edward F Mayer (7 out of 25 patents)

Carl P Anderson (5 out of 9 patents)

Marco Padalino (4 out of 5 patents)

4. Victor B Van Blerk (2 out of 12 patents)

5. Herbert K Wurster (2 out of 3 patents)

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