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., based in San Jose, CA, specializes in innovative imaging and printing solutions, alongside advanced document management services. The company focuses on enhancing productivity and efficiency for businesses through its comprehensive portfolio, which includes cloud-based applications and IT services. Ricoh is committed to sustainability and digital transformation, leveraging cutting-edge technology to support various industries in optimizing their workflows and improving operational performance.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#341 in San Jose, CA

#3,754 in California

#15,668 in US

#29,893 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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