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Venlo, Netherlands

Oce-Van Der Grinten N.v.

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USPTO Granted Patents = 68

Forward Citations = 543

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75 inventors (with patents filed for the assignee):

Mathias J Vola (6 out of 7 patents)

Gerardus J Crommentuyn (4 out of 6 patents)

Theo P Breuers (4 out of 6 patents)

4. Martinus T Peters (3 out of 3 patents)

5. Gerardus A Koeleman (3 out of 5 patents)

6. Adrianus M Hectors (3 out of 3 patents)

7. Johannes C Vercoulen (3 out of 3 patents)

8. Petrus J Ophey (3 out of 4 patents)

9. Jozef Marie Van Herten (3 out of 3 patents)

10. Joannes J Joosten (3 out of 3 patents)

11. Andreas Theodorus Heijnen (2 out of 4 patents)

12. Bauke Schoustra (2 out of 2 patents)

13. Hubertus W Roncken (2 out of 2 patents)

14. Franciscus M Peeters (2 out of 2 patents)

15. Albert J Wittenberg (2 out of 2 patents)

Core Competencies:

Electrophotographic

Image Transfer

Toner Powder

Photoconductive

Xerographic

Copying Apparatus

Magnetic Brush

Electrostatic Charge

Developing Apparatus

Light-Sensitive Material

Heat Process

Sorting Device

68 patents: Sort by Forward Citations

1. 4363858 - Photoconductive belt joint (1982-12-14),

2. 4345015 - Dispersion-heat process employing hydrophobic silica for producing (1982-08-17),

3. 4322486 - Electrophotographic process involving double charging (1982-03-30),

4. 4321757 - Drying apparatus and method (1982-03-30),

5. 4286041 - Composition and process for developing diazotype material (1981-08-25),

6. 4286037 - Electrostatic image one-component electrically conductive thermoplastic (1981-08-25),

7. 4275137 - Light-sensitive diazotype material (1981-06-23),

8. 4265988 - Self-sticking adhesive tape (1981-05-05),

9. 4254206 - Process for magnetically transferring a powder image (1981-03-03),

10. 4252432 - Control system for electrophotographic apparatus (1981-02-24),

11. 4245836 - Apparatus for positioning sheet like originals (1981-01-20),

12. 4235193 - Magnetic brush apparatus for developing charge images (1980-11-25),

13. 4228995 - Sorting device (1980-10-21),

14. 4223084 - Photoconductive element based on mixed zinc oxides (1980-09-16),

15. 4207101 - Process for magnetically transferring a powder image (1980-06-10),

Company Overview

Oce-Van Der Grinten N.V., headquartered in Venlo, Netherlands, specializes in electrophotographic technology, focusing on the development and manufacturing of advanced imaging solutions. The company is renowned for its expertise in image transfer, toner powder, and photoconductive materials, which are integral to modern copying apparatus. With a strong emphasis on xerographic processes and innovations in magnetic brush technology, Oce continues to contribute significantly to the field of electrostatic charge applications, enhancing productivity and efficiency in printing technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

68 Patents

#5 in Venlo

#124 in Netherlands

#10,898 in the World

Venlo, Netherlands

Oce-Van Der Grinten N.v.

Forward Citations = 543

75 inventors:

Mathias J Vola (6 out of 7 patents)

Gerardus J Crommentuyn (4 out of 6 patents)

Theo P Breuers (4 out of 6 patents)

4. Martinus T Peters (3 out of 3 patents)

5. Gerardus A Koeleman (3 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oce-Van Der Grinten N.v.. Retrieved from https://idiyas.com/company/oce-van-der-grinten-n-v

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

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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