For the Inventor, By the Inventor

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New York, NY, United States of America

Philips & Du Pont Optical Company

USPTO Granted Patents = 11

Forward Citations = 200

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18 inventors (with patents filed for the assignee):

Hermann Grobecker (2 out of 11 patents)

Petrus A Huberts (2 out of 2 patents)

Kenneth Wayne Leffew (1 out of 28 patents)

4. Johannes Leopoldus Bakx (1 out of 25 patents)

5. Jeroen Fm Landsbergen (1 out of 3 patents)

6. Hermann Koop (1 out of 12 patents)

7. Louis J Beckers (1 out of 1 patent)

8. Petrus E Legierse (1 out of 12 patents)

9. Alois Pichler (1 out of 1 patent)

10. Werner Heuer (1 out of 3 patents)

11. Bjorn Bluthgen (1 out of 5 patents)

12. Jurgen G Hannemann (1 out of 1 patent)

13. Thomas M Schnorr (1 out of 1 patent)

14. Henricus H Wouters (1 out of 1 patent)

15. Jeroen J Horikx (1 out of 3 patents)

11 patents: Sort by Forward Citations

1. 5623472 - Method and apparatus for recording signals on a record carrier, (1997-04-22),

2. 5176859 - Apparatus/and method for controlling an injection molding process (1993-01-05),

3. 5150353 - Apparatus for scanning a disc, and suction device for holding a disc (1992-09-22),

4. 5150113 - Method and apparatus for transmitting an information signal together (1992-09-22),

5. 5133824 - Method and device for removing a flexible product from a carrier plate (1992-07-28),

6. 5101971 - Storage cassette for a disc having a center hole (1992-04-07),

7. 4964958 - Method of producing a metal matrix (1990-10-23),

8. 4916567 - Storage cassette for a disc-shaped information carrier (1990-04-10),

9. 4861437 - Method of manfacturing a mould and providing it with a backing and mould (1989-08-29),

10. 4856766 - Vacuum apparatus for holding workpieces (1989-08-15),

11. 4852327 - Machine for assembling a container (1989-08-01),

Philips & Du Pont Optical Company is a leading manufacturer of high-quality optical products. With a strong reputation for innovation and precision engineering, the company specializes in producing a wide range of optical components and systems for various industries including healthcare, telecommunications, and defense. Backed by a team of experienced professionals, Philips & Du Pont Optical Company is committed to delivering reliable and cutting-edge solutions to meet the diverse needs of its customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#580 in New York, NY

#1,497 in New York

#26,742 in US

#50,224 in the World

New York, NY, United States of America

Philips & Du Pont Optical Company

Forward Citations = 200

18 inventors:

Hermann Grobecker (2 out of 11 patents)

Petrus A Huberts (2 out of 2 patents)

Kenneth Wayne Leffew (1 out of 28 patents)

4. Johannes Leopoldus Bakx (1 out of 25 patents)

5. Jeroen Fm Landsbergen (1 out of 3 patents)

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