Company Filing History:

6 out of 32

Censtor Corporation

patents

2 out of 8,679

Seagate Technology Incorporated

patents

1 out of 60

Ultratech Stepper, Inc.

Years Active: 1999-2014

where 'Filed Patents' based on already Granted Patents

10 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8919279 - Processing system having magnet keeper (2014-12-30),

2. 7541105 - Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers (2009-06-02),

3. 7095585 - Hard disk drive for perpendicular recording with transducer having submicron gap between pole tips (2006-08-22),

4. 6671235 - Method of and apparatus for defining disk tracks in magnetic recording media (2003-12-30),

5. 6535361 - Contact planar magnetoresistive head (2003-03-18),

6. 6493191 - Planar magnetic ring head for contact recording with a rigid disk (2002-12-10),

7. 6320725 - Hard disk drive having ring head with predominantly perpendicular media fields (2001-11-20),

8. 6212047 - Hard disk drive with magnetoresistive head and perpendicular media (2001-04-03),

9. 6198607 - Contact planar magnetoresistive head (2001-03-06),

10. 5949612 - Low friction sliding hard disk drive system (1999-09-07),

Title: The Innovative Contributions of Robert D Hempstead

Introduction

Robert D Hempstead, an accomplished inventor based in Los Gatos, California, has made significant contributions to his field through his innovative ideas and patented technologies. With a total of 10 patents to his name, Hempstead has developed advanced systems and structures that pave the way for improvements in various applications.

Latest Patents

Among his latest patents is a processing system featuring a magnet keeper. This system describes a method for generating ions within a process chamber while effectively shielding these ions from a magnetic field through the use of a magnet keeper. Such innovations are critical in enhancing the efficiency and effectiveness of ion production processes.

Another noteworthy patent of Hempstead's involves epitaxial ferroelectric and magnetic recording structures that include graded lattice matching layers. This patent showcases the use of single crystal materials like silicon as substrate materials, on which graded lattice matching layers are deposited. These layers can consist of metals, metal alloys, or specially doped oxides. The recording layers, comprising ferroelectric lead zirconium titanate or a magnetic Fe/Pt multilayer structure, are then deposited on these layers, further pushing the boundaries of storage technology.

Career Highlights

Throughout his career, Hempstead has been associated with several renowned companies. He has worked for Censtor Corporation and Seagate Technology Incorporated, contributing to their advancement in technology through his inventive prowess. His diverse experience in these companies has helped shape his innovative ideas and improve technical processes.

Collaborations

Hempstead has collaborated with several professionals, including notable individuals such as Harold J Hamilton and Dimitre A Latev. These collaborations have not only fostered innovation but also broadened the scope of research and development in the fields he specializes in.

Conclusion

Robert D Hempstead is a prominent figure in the world of innovation, with his groundbreaking patents influencing various technological domains. His dedicated work and collaborations reflect his commitment to advancing science and technology. As he continues to explore new ideas, Hempstead remains an inspiring inventor whose contributions are expected to have lasting impacts on the industry.

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