logo

For the Inventor, By the Inventor

Yokohama, Japan

Tsutomu Yamate

This inventor holds 51 USPTO granted patents, primarily in Downhole Fluid Analysis (CPC class E21B). Top assignees: Schlumberger Technology Corporation, Tamagawa Seiki Co., Ltd., Other. Active years: 2001-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Yamate. Retrieved from https://idiyas.com/inventor/tsutomu-yamate

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

USPTO Granted Patents = 51

% Patents Active = 84.3

Average Co-Inventor Count = 4.4

ph-index = 15

Forward Citations = 855(Granted Patents)

Forward Citations (Not Self Cited) = 831(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Brookfield, CT (US) (2001 - 2002)
  • Yokohama Kanagawa, JP (2010)
  • Kanagawa-Ken, JP (2009 - 2019)
  • Yokohama, JP (2005 - 2020)
  • Kanagawa, JP (2020)

Company Filing History:

goldMedal50 out of 10,734 
 
Schlumberger Technology Corporation
 patents
silverMedal1 out of 21 
 
Tamagawa Seiki Co., Ltd.
 patents
bronzeMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 2001-2020

Loading Chart...
Areas of Expertise:
Downhole Tools
Fluid Analysis
Sensor Systems
Optical Fiber
Microfluidics
Spectroscopy
Pressure Transducer
Gyro Sensors
Chemical Detection
High-Temperature Devices
Telemetry
Fluorescence Measurement
51 patents (USPTO):Explore Patents
1. 10746014 - Method and system for monitoring a condition of an elastic element used in a downhole tool (2020-08-18),
2. 10573574 - Devices for cooling and power (2020-02-25),
3. 10355664 - Resonator applications for langasite and its isomorphs (2019-07-16),
4. 9874655 - Fluid analyzer using absorption spectroscopy (2018-01-23),
5. 9611735 - Image-based measurement of a fluid (2017-04-04),
6. 9074461 - Fluid analyzer with plasma emission unit and method of using same (2015-07-07),
7. 9051821 - Microfluidic methods and apparatus to perform in situ chemical detection (2015-06-09),
8. 8925379 - Downhole sensor systems and methods thereof (2015-01-06),
9. 8904859 - Detecting gas compounds for downhole fluid analysis (2014-12-09),
10. 8528396 - Phase separation detection in downhole fluid sampling (2013-09-10),
11. 8397561 - Downhole sensor systems and methods thereof (2013-03-19),
12. 8297351 - Downhole sensing system using carbon nanotube FET (2012-10-30),
13. 8294332 - Pressure transducer (2012-10-23),
14. 8256283 - Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids (2012-09-04),
15. 8200436 - Method and apparatus for wellbore survey using inertial sensors (2012-06-12),

Title: Tsutomu Yamate: Innovator Extraordinaire from Yokohama

Introduction:

Innovation knows no boundaries, and Tsutomu Yamate, hailing from Yokohama, Japan, is a prime example of a visionary inventor. With an impressive portfolio of 51 patents, Yamate has made significant contributions to the fields of downhole tool monitoring and cooling devices. This article highlights his latest patents, career highlights, notable collaborations, and his invaluable contributions to the world of innovations.

Latest Patents:

Yamate's recent patents showcase his expertise in two key areas. First, he has developed a method and system for monitoring the condition of elastic elements utilized in downhole tools. This innovation involves the installation of a flexible-type sensor within the elastic element to sense strain and stress. The acquired output signal from the sensor enables the estimation of the elastic element's condition. This groundbreaking technology has the potential to revolutionize downhole tool maintenance and enhance operational efficiency.

In addition, Yamate has also delved into the realm of cooling devices. His thermoelectric device patent stands out, featuring a substrate and a superlattice. The superlattice incorporates a first semi-conducting material and a second semi-conducting material, creating an interface that facilitates efficient cooling. Such advancements in cooling technology hold immense promise for various industries, including electronics and automotive sectors.

Career Highlights:

Yamate's professional journey has seen him associated with renowned companies in the field of technological innovation. He has contributed significantly to Schlumberger Technology Company, a prominent player in the oil and gas industry. Yamate's expertise and patents have likely played a crucial role in advancing the monitoring and maintenance practices within the downhole tools domain.

Collaborations:

Tsutomu Yamate has worked alongside esteemed colleagues, such as Stephane Vannuffelen and Toru Terabayashi. Collaborations with talented professionals allow for the exchange of ideas and perspectives, fostering a fertile ground for innovation. These partnerships have likely catalyzed the development of groundbreaking solutions and propelled Yamate's inventiveness to new heights.

Conclusion:

Tsutomu Yamate's incredible journey as an inventor and innovator has left an indelible impact on industries that rely on cutting-edge technologies. With his extensive patent portfolio, including the pioneering method and system for downhole tool monitoring and the thermoelectric cooling device, Yamate has cemented his place as a revered figure in the field. His collaborations with remarkable individuals and his tenure at prestigious companies have further solidified his reputation as an unmatched technical visionary. We eagerly await Yamate's future endeavors, as he continues to shape the landscape of innovations and patents.

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]
Loading…