For the Inventor, By the Inventor

Enter assignee name

New York, NY, United States of America

National Patent Development Corporation

USPTO Granted Patents = 51

Trademarks = 1

Forward Citations = 1,613

Loading Chart...

Loading Chart...

57 inventors (with patents filed for the assignee):

Richard F Stockel (6 out of 47 patents)

Samuel H Ronel (6 out of 6 patents)

Francis E Ryder (5 out of 109 patents)

4. Petr Kuzma (4 out of 6 patents)

5. Kenneth C Raines (3 out of 66 patents)

6. Sol J Barer (3 out of 20 patents)

7. Daniel G Moro (3 out of 6 patents)

8. Richard Rabenau (3 out of 21 patents)

9. Jaroslav Vit (3 out of 5 patents)

10. Peter Carl Valenti (3 out of 4 patents)

11. Shinji Sakaguchi (3 out of 41 patents)

12. Rowland W Kanner (2 out of 102 patents)

13. Nobuyuki Kita (2 out of 37 patents)

14. Francis E Gould (2 out of 23 patents)

15. Robert J LeFevre (2 out of 11 patents)

Core Competencies:

High Energy Density Boride Batteries

Electroconversion Cell

Hydrophilic Composite Polymers

Dental Pump System

Cautery Device

Photosensitive Compositions

Solar Energy Absorbing Devices

Endodontic Therapeutic Devices

Medication Compliance Aids

Hydrophilic Absorbents

Ophthalmic Formulations

Thermoplastic Hydrogels

51 patents: Sort by Forward Citations

1. 5948558 - High energy density boride batteries (1999-09-07),

2. 5804329 - Electroconversion cell (1998-09-08),

3. 5468811 - Hydrophilic composite polymer articles formed from a settable paste (1995-11-21),

4. 5177154 - Environmental coating solution (1993-01-05),

5. 5045266 - Process of making a hearing aid earmold in situ (1991-09-03),

6. 5039342 - Modified asphalt cement compositions and methods of producing the same (1991-08-13),

7. 4957436 - Dental pump system for chemical caries removal (1990-09-18),

8. 4770632 - Delivery system for dental treatment solution (1988-09-13),

9. 4738530 - Inspection device (1988-04-19),

10. 4736872 - Disposable tint pack assembly for contact lens tinting (1988-04-12),

11. 4632055 - Apparatus for tinting soft contact lenses (1986-12-30),

12. 4617557 - Medication compliance aid for unit dose packaging (1986-10-14),

13. 4606342 - Cautery device having a variable temperature cautery tip (1986-08-19),

14. 4518390 - Lens tinting fixture and system utilizing said fixture (1985-05-21),

15. 4452925 - Biologically stabilized compositions comprising collagen as the minor (1984-06-05),

National Patent Development Corporation is a leading global technology organization that specializes in patent development, intellectual property management, and licensing services. With decades of expertise, we assist inventors, entrepreneurs, and businesses in effectively protecting and monetizing their inventions, innovations, and ideas. Our team of professionals offers a wide range of services, including patent analysis, patent strategy development, patent portfolio management, and licensing negotiation. We are dedicated to helping our clients navigate the complexities of intellectual property rights and achieve success in the competitive marketplace.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

51 Patents

#158 in New York, NY

#381 in New York

#6,657 in US

#13,365 in the World

New York, NY, United States of America

National Patent Development Corporation

Forward Citations = 1,613

57 inventors:

Richard F Stockel (6 out of 47 patents)

Samuel H Ronel (6 out of 6 patents)

Francis E Ryder (5 out of 109 patents)

4. Petr Kuzma (4 out of 6 patents)

5. Kenneth C Raines (3 out of 66 patents)

Please report any incorrect information to support@idiyas.com

Loading…