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For the Inventor, By the Inventor

San Jose, CA, United States of America

Lee K Dorius

This inventor holds 32 USPTO granted patents and 1 published patent application, primarily in Air Bearing Technology. Top assignees: International Business Machines Corporation, Hitachi Global Storage Technologies Netherlands B.v., Hgst Netherlands, B.v.. Active years: 1995-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lee K Dorius. Retrieved from https://idiyas.com/inventor/lee-k-dorius

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 32 

% Patents Active = 81.3

Average Co-Inventor Count = 2.2

ph-index = 9

Forward Citations = 292(Granted Patents)


Company Filing History:

goldMedal21 out of 166,325 
 
International Business Machines Corporation
 patents
silverMedal8 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
bronzeMedal1 out of 987 
 
Hgst Netherlands, B.v.
 patents
4. 1 out of 52 
 
Hitachi Global Storage Technologies
 patents
5. 1 out of 5,427 
 
Western Digital Technologies, Inc.
 patents

Years Active: 1995-2024

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Areas of Expertise:
Air Bearing
Slider Design
Contamination Robustness
Lubricant-Accumulation
Magnetic Disk
Wear Contact Pad
Negative Pressure
Stiction Reduction
Magnetic Head
Debris Deflection
Three-Etch Design
32 patents (USPTO):Explore Patents
1. 11942124 - Slider air bearing designs with side blocker for contamination robustness (2024-03-26),
2. 8553363 - Air-bearing surface of head for minimizing contact with disk (2013-10-08),
3. 8174794 - Slider having a lubricant-accumulation barrier including a plurality of lubricant-accumulation-barrier portions (2012-05-08),
4. 8169744 - Slider having a lubricant-accumulation barrier (2012-05-01),
5. 8009389 - Air bearing with low crown sensitivity through side channels (2011-08-30),
6. 7898769 - Three-etch ABS design with a closed front channel (2011-03-01),
7. 7751147 - Air bearing surface with shallow center channel (2010-07-06),
8. 7583473 - Air bearing with both low altitude and speed sensitivities (2009-09-01),
9. 7408741 - Magnetic disk slider having improved inclination margins in a rolling direction (2008-08-05),
10. 7029590 - Self-limiting wear contact pad slider and method for making the same (2006-04-18),
11. 6714382 - Self-limiting wear contact pad slider and method for making the same (2004-03-30),
12. 6493185 - Optimized pad design for slider and method for making the same (2002-12-10),
13. 6449126 - Negative pressure air bearing slider (2002-09-10),
14. 6424493 - Hard disk drive magnetic head air bearing surface design for preventing particulate contamination thereon (2002-07-23),
15. 6421205 - Recessed slider trailing edge for reducing stiction (2002-07-16),

Title: Lee K Dorius: Innovator in Slider Air Bearing Designs

Introduction

Lee K Dorius, based in San Jose, CA, is a prominent inventor with an impressive portfolio of 32 patents to his name. His innovations focus primarily on slider air bearing designs and their application in hard-disk drives, showcasing a significant impact on the technology industry.

Latest Patents

Dorius's latest patents include groundbreaking designs such as the "Slider Air Bearing Designs with Side Blocker for Contamination Robustness." This invention features a slider equipped with a unique island side blocker for enhanced contamination resistance. The design incorporates a first side-edge surface, a second side-edge surface, and a specialized air-bearing surface that cleverly minimizes the risk of contamination.

Another notable patent is titled "Air-Bearing Surface of Head for Minimizing Contact with Disk." This innovative approach outlines a head slider, which integrates an electromagnetic transducer and an air bearing surface designed to optimize the contact dynamics between the head and the magnetic-recording disk. The geometry of the inner and outer side rails has been meticulously crafted to reduce contact forces during various attitudes.

Career Highlights

Lee has held significant positions in major companies, including International Business Machines Corporation (IBM) and Hitachi Global Storage Technologies Netherlands B.V. His contributions in these roles have been pivotal in advancing hard-disk drive technologies and improving the efficiency and reliability of air bearing systems.

Collaborations

Throughout his career, Dorius has collaborated with industry experts such as Laurence S. Samuelson and Sanford A. Bolasna. These partnerships have fostered a creative and innovative environment, resulting in several successful HVAC (Hard Disk Drive) designs and technologies.

Conclusion

Lee K Dorius stands out as a key innovator in the realm of slider air bearing technology. His extensive patent portfolio and industry collaborations underscore his dedication to advancing hard-disk drive technology. With each innovation, Dorius continues to push the boundaries of what's possible, solidifying his legacy in the tech industry.

Profile summary based on public USPTO records.
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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