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For the Inventor, By the Inventor

Yokohama, Japan

Juei Igarashi

USPTO Granted Patents = 12

 

Average Co-Inventor Count = 3.6

ph-index = 6

Forward Citations = 161(Granted Patents)


Location History:

  • Kanagawa-Ken, JP (2010 - 2019)
  • Yokohama, JP (2001 - 2021)

Company Filing History:

goldMedal12 out of 10,180 
 
Schlumberger Technology Corporation
 patents
silverMedal1 out of 21 
 
Tamagawa Seiki Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2001-2021

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12 patents (USPTO):Explore Patents
1. 10982530 - Apparatus, system and method of a magnetically shielded wellbore gyroscope (2021-04-20),
2. 10458226 - Shock and vibration damper system and methodology (2019-10-29),
3. 9435649 - Method and system for azimuth measurements using a gyroscope unit (2016-09-06),
4. 8200436 - Method and apparatus for wellbore survey using inertial sensors (2012-06-12),
5. 8136406 - Pressure transducer with piezoelectric crystal for harsh environment use (2012-03-20),
6. 8061048 - Apparatus for azimuth measurements using gyro sensors (2011-11-22),
7. 8061047 - Active positioning of downhole devices using spherical motors (2011-11-22),
8. 7801704 - Method and system for azimuth measurements using gyro sensors (2010-09-21),
9. 7720323 - High-temperature downhole devices (2010-05-18),
10. 7712223 - Apparatus for azimuth measurements using gyro sensors (2010-05-11),
11. 7413011 - Optical fiber system and method for wellhole sensing of magnetic permeability using diffraction effect of faraday rotator (2008-08-19),
12. 6170601 - Borehole seismic tool (2001-01-09),

Title: The Innovative Journey of Juei Igarashi

Introduction

Juei Igarashi is a notable inventor based in Yokohama, Japan, who has contributed significantly to the field of technology with a total of 12 patents to his name. His innovations primarily focus on enhancing drilling applications and ensuring tool reliability in challenging environments.

Latest Patents

Igarashi's latest patents include a groundbreaking apparatus, system, and method for a magnetically shielded wellbore gyroscope. This invention features a gyroscope package that comprises a housing designed for coupling with a downhole tool. The package includes a gyroscope body and an inductive-type MEMS gyroscope, which is protected by a magnetic shield that minimizes interference, thus enhancing the gyroscope's performance.

Additionally, he has developed a shock and vibration damper system aimed at safeguarding sensitive components, such as well tool mechanisms, from damaging shocks and vibrations. This system involves a mechanical chassis mounted within a housing, using various vibration and shock-absorbing components to ensure stability in demanding drilling applications.

Career Highlights

Throughout his illustrious career, Juei Igarashi has made significant contributions while working with leading companies in the sector, including Schlumberger Technology Corporation and Tamagawa Seiki Co., Ltd. His expertise and innovative spirit have propelled advancements in drilling technologies and applications, making him a respected figure in the engineering community.

Collaborations

Igarashi has collaborated with other talented professionals, including Shigeru Sato and Tsutomu Yamate. These collaborations have undoubtedly contributed to the success of his inventions and the success of the projects he was involved in.

Conclusion

Juei Igarashi's work exemplifies the spirit of innovation and dedication to addressing the challenges faced in the drilling industry. His latest advancements and ongoing contributions showcase a commitment to enhancing efficiency and reliability in technology, marking him as an influential inventor in the field.

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