For the Inventor, By the Inventor

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Milpitas, CA, United States of America

Plus Development Corporation

USPTO Granted Patents = 13

Forward Citations = 453

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15 inventors (with patents filed for the assignee):

William G Moon (5 out of 43 patents)

Randolph H Graham (5 out of 9 patents)

Donald C Westwood (4 out of 9 patents)

4. Thomas R Stone (4 out of 14 patents)

5. Joel N Harrison (3 out of 22 patents)

6. Bruce R Peterson (2 out of 12 patents)

7. Claude E Camp (2 out of 5 patents)

8. Richard J Blackborow (2 out of 6 patents)

9. Ian C Felix (2 out of 2 patents)

10. Michael J Hassel (2 out of 2 patents)

11. Dennis W Hollenbeck (1 out of 1 patent)

12. Peter S Hahn (1 out of 4 patents)

13. James G Tappel (1 out of 2 patents)

14. Michael John Nuttall (1 out of 121 patents)

15. Paul Bradley (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. D311737 - Removable hard disk drive module (1990-10-30),

2. 4914530 - Media defect management within disk drive sector format (1990-04-03),

3. 4882671 - Microprocessor controlled rigid disk file subsystem (1989-11-21),

4. 4860194 - A method for using a modular unitary disk file subsystem (1989-08-22),

5. 4858034 - Modular unitary disk file subsystem with differing density zones (1989-08-15),

6. 4825321 - Modular unitary disk file subsystem having increased data storage (1989-04-25),

7. 4819153 - Microprocessor controlled rigid disk file subsystem (1989-04-04),

8. 4772974 - Compact head and disk assembly (1988-09-20),

9. 4712146 - Thin and compact micro-Winchester head and disk assembly (1987-12-08),

10. 4703176 - Compact polyphase optical position encoder (1987-10-27),

11. 4661696 - Optical encoder which use a rectangular photodetector array (1987-04-28),

12. 4647997 - Aerodynamic latch for disk file actuator (1987-03-03),

13. 4639863 - Modular unitary disk file subsystem (1987-01-27),

Plus Development Corporation, based in Milpitas, California, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative products in the electronics and semiconductor sectors. The company is dedicated to enhancing performance and efficiency through cutting-edge research and development. With a commitment to quality and innovation, Plus Development Corporation plays a significant role in driving technological advancements within its industry, catering to a diverse range of applications and markets.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#95 in Milpitas, CA

#5,650 in California

#23,815 in US

#44,988 in the World

Milpitas, CA, United States of America

Plus Development Corporation

Forward Citations = 453

15 inventors:

William G Moon (5 out of 43 patents)

Randolph H Graham (5 out of 9 patents)

Donald C Westwood (4 out of 9 patents)

4. Thomas R Stone (4 out of 14 patents)

5. Joel N Harrison (3 out of 22 patents)

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