Teruhiko Hagiwara

This inventor holds 29 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Electromagnetic Imaging. Top assignees: Shell Oil Comapny, Halliburton Energy Services, Inc., Saudi Arabian Oil Company. Active years: 1985-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Teruhiko Hagiwara. Retrieved from https://idiyas.com/inventor/teruhiko-hagiwara

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

USPTO Granted Patents = 29 (Patent Applications = 2)

% Patents Active = 75.9

CIPO Patents = 1 (Patent Applications = 1)

EPO Patents = 5 (Patent Applications = 5)

Average Co-Inventor Count = 1.4

ph-index = 12

Forward Citations = 482(Granted Patents)

Company Filing History:

Halliburton Energy Services, Inc.

patents

4 out of 7,540

Saudi Arabian Oil Company

patents

4. 1 out of 27

Aramco Services Company

patents

5. 1 out of 5,728

Baker Hughes Corporation

7. 1 out of 834,570

Other

patents

Years Active: 1985-2021

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Areas of Expertise:

Logging Tool

Electromagnetic Impulses

Anisotropic Resistivity

Geological Boundaries

Vertical Resolution

Resistivity Measurement

Magnetic Resonance Imaging

Transient Electromagnetic Tool

Formation Compaction

High Frequency Induction

Subterranean Imaging

Tilted Antennas

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10928541 - Logging tool with magnetic source and electric dipole sensor for forward and lateral imaging (2021-02-23),

2. 10774636 - Anisotropy and dip angle determination using electromagnetic (EM) impulses from tilted antennas (2020-09-15),

3. 10557961 - Logging tool with electric dipole source and magnetic sensor for forward and lateral imaging (2020-02-11),

4. 10161245 - Anisotropy and dip angle determination using electromagnetic (EM) impulses from tilted antennas (2018-12-25),

5. 9482777 - Transient electromagnetic tool mounted on reduced conductivity tubular (2016-11-01),

6. 9482776 - Interferometric processing to detect subterranean geological boundaries (2016-11-01),

7. 7746076 - Method for imaging subterranean formations (2010-06-29),

8. 7609065 - System and method for locating an anomaly (2009-10-27),

9. 7557581 - Method for imaging subterranean formations (2009-07-07),

10. 7538555 - System and method for locating an anomaly ahead of a drill bit (2009-05-26),

11. 7425831 - System and method for locating an anomaly (2008-09-16),

12. 7425830 - System and method for locating an anomaly (2008-09-16),

13. 7414406 - System and method for locating an anomaly (2008-08-19),

14. 7135862 - NMR logging using time-domain averaging (2006-11-14),

15. 6760666 - Method for determining anisotropic resistivity and dip angle in an earth formation (2004-07-06),

Title: Teruhiko Hagiwara: Innovator in Subterranean Imaging Technology

Introduction

Teruhiko Hagiwara is a distinguished inventor based in Houston, TX, known for his extensive contributions to the field of subterranean imaging technology. With a remarkable portfolio that includes 29 patents, Hagiwara has made significant advancements that enhance the accuracy and efficiency of logging tools used in various geological explorations.

Latest Patents

Hagiwara's latest innovations include groundbreaking patents such as the "Logging Tool with Magnetic Source and Electric Dipole Sensor for Forward and Lateral Imaging." This invention describes a logging method and system designed for imaging subterranean formations intersected by a borehole. It utilizes a magnetic dipole to generate an electromagnetic field, enabling precise detection of bed boundaries and changes in formation characteristics. Furthermore, he has developed a method for "Anisotropy and Dip Angle Determination Using Electromagnetic Impulses from Tilted Antennas." This patent focuses on deriving transient responses from a directional resistivity tool, making it possible to determine anisotropy, horizontal conductivity, and dip angle in geological formations based on electromagnetic impulses.

Career Highlights

During his career, Teruhiko Hagiwara has worked with prominent organizations such as Shell Oil Company and Halliburton Energy Services, Inc. His experience in these influential companies has provided him with a solid foundation for pioneering innovative solutions in the energy sector.

Collaborations

Throughout his professional journey, Hagiwara has collaborated with talented colleagues, including Erik Jan Banning and Rich Ostermeier. These partnerships have facilitated the exchange of ideas and fostered an environment ripe for innovation in their respective fields.

Conclusion

Teruhiko Hagiwara's contributions to subterranean imaging technology through his patents and collaborations have marked a significant impact on the industry. His work not only showcases his expertise as an inventor but also his commitment to advancing the capabilities of logging tools critical for geological exploration and resource management.

Profile summary based on public USPTO records.