For the Inventor, By the Inventor

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Santa Clara, CA, United States of America

Dysan Corporation

USPTO Granted Patents = 16

Forward Citations = 197

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22 inventors (with patents filed for the assignee):

Robert P Wartenbergh (4 out of 10 patents)

Richard N James (3 out of 4 patents)

C Norman Dion (2 out of 3 patents)

4. Bert R Larson (2 out of 3 patents)

5. Richard L Kelly (2 out of 3 patents)

6. Bradley D Baker (2 out of 2 patents)

7. Bin-Lun Ho (1 out of 7 patents)

8. Harry N Dieffenbach (1 out of 3 patents)

9. Efim Bronshvatch (1 out of 7 patents)

10. Tom Y Idemoto (1 out of 2 patents)

11. John A Barber (1 out of 1 patent)

12. Virgil Allan Lohoff (1 out of 1 patent)

13. Janusz Warszawski (1 out of 2 patents)

14. Abraham J Van Breen (1 out of 1 patent)

15. Floyd Dunn (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 4652961 - Micro-floppy diskette with inner containment system (1987-03-24),

2. 4605125 - Miniature flexible magnetic disk assembly with motion limit stop (1986-08-12),

3. 4559575 - Removable disk cartridge with improved door operating mechanism (1985-12-17),

4. 4550355 - Removable disk cartridge with improved hub locking mechanism (1985-10-29),

5. 4532564 - Removable disk cartridge (1985-07-30),

6. D278802 - Portable disk drive alignment tester (1985-05-14),

7. 4513331 - Method and apparatus for disk drive alignment (1985-04-23),

8. 4502598 - Holder for magnetic disks (1985-03-05),

9. 4471009 - Thermosetting film-forming recording layer composition and method (1984-09-11),

10. 4385587 - Apparatus for processing a flexible magnetic recording medium (1983-05-31),

11. 4370689 - Flexible magnetic recording medium with improved reinforcement means (1983-01-25),

12. 4354603 - Rigid magnetic disc stacker (1982-10-19),

13. 4290734 - Rigid disc handling device and method (1981-09-22),

14. 4122234 - Article employing a heat hardenable liquid film forming composition with (1978-10-24),

15. 4052750 - Flexible recording disk with improved spindle mounting means (1977-10-04),

Company Overview

Dysan Corporation, based in Santa Clara, California, specializes in the development and manufacturing of advanced optical storage solutions. The company focuses on high-performance media products and innovative technologies that cater to various sectors, including data storage and retrieval. Dysan is committed to enhancing data integrity and accessibility through its cutting-edge research in optical technology, ensuring reliable solutions for both consumer and enterprise applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#204 in Santa Clara, CA

#4,777 in California

#19,935 in US

#37,868 in the World

Santa Clara, CA, United States of America

Dysan Corporation

Forward Citations = 197

22 inventors:

Robert P Wartenbergh (4 out of 10 patents)

Richard N James (3 out of 4 patents)

C Norman Dion (2 out of 3 patents)

4. Bert R Larson (2 out of 3 patents)

5. Richard L Kelly (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dysan Corporation. Retrieved from https://idiyas.com/company/dysan

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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