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For the Inventor, By the Inventor

Spring, TX, United States of America

Hwa-shan Ho

This inventor holds 11 USPTO granted patents. Top assignees: Baroid Technology, Inc., Nl Industries, Nl Sperry Sun, Inc.. Active years: 1987-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hwa-shan Ho. Retrieved from https://idiyas.com/inventor/hwa-shan-ho

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 10

Forward Citations = 423(Granted Patents)


Company Filing History:

goldMedal2 out of 90 
 
Baroid Technology, Inc.
 patents
silverMedal2 out of 319 
 
Nl Industries
 patents
bronzeMedal1 out of 12 
 
Nl Sperry Sun, Inc.
 patents
4. 6 out of 834,570 
Other
 patents

Years Active: 1987-1997

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11 patents (USPTO):Explore Patents
1. 5608162 - Method and system of trajectory prediction and control using PDC bits (1997-03-04),
2. 5560439 - Method and apparatus for reducing the vibration and whirling of drill (1996-10-01),
3. 5465799 - System and method for precision downhole tool-face setting and survey (1995-11-14),
4. 5456141 - Method and system of trajectory prediction and control using PDC bits (1995-10-10),
5. 5431046 - Compliance-based torque and drag monitoring system and method (1995-07-11),
6. 5358059 - Apparatus and method for the dynamic measurement of a drill string (1994-10-25),
7. 5044198 - Method of predicting the torque and drag in directional wells (1991-09-03),
8. 4972703 - Method of predicting the torque and drag in directional wells (1990-11-27),
9. 4848144 - Method of predicting the torque and drag in directional wells (1989-07-18),
10. 4804051 - Method of predicting and controlling the drilling trajectory in (1989-02-14),
11. 4662458 - Method and apparatus for bottom hole measurement (1987-05-05),

Title: Hwa-shan Ho: Innovator in Drilling Technology

Introduction

Hwa-shan Ho is a notable inventor based in Spring, TX (US), recognized for his contributions to drilling technology. With a total of 11 patents to his name, he has made significant advancements in methods and systems that enhance drilling efficiency and control.

Latest Patents

One of Hwa-shan Ho's latest patents is titled "Method and system of trajectory prediction and control using PDC bits." This invention outlines a method for forming a PDC drilling bit that includes imposing a side drilling direction, determining the total bit side force, and computing a walk angle to modify the configuration of cutters on the bit. The process involves determining a normal side force, computing total cutter friction force, and combining these forces to produce a total side force. Additionally, the method allows for modifications to the bit by adjusting the aggressiveness of the cutters or replacing them with low friction pads.

Another significant patent is the "Method and apparatus for reducing the vibration and whirling of drill." This invention involves placing a pair of stabilizers in a drill pipe string, with specific distances maintained between the stabilizers and the drill bit. The ratio of these distances is crucial for optimal performance, ensuring that the drill operates smoothly and efficiently.

Career Highlights

Throughout his career, Hwa-shan Ho has worked with various companies, including Nl Industries. His innovative approaches have led to advancements in drilling technology, making him a respected figure in the industry.

Collaborations

Hwa-shan Ho has collaborated with Robert A Delwiche, contributing to the development of new technologies and methods in drilling.

Conclusion

Hwa-shan Ho's contributions to drilling technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry positively, showcasing the importance of innovation in enhancing drilling efficiency.

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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