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For the Inventor, By the Inventor

Sagamihara, Japan

Hiroshi Nakajima

This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Acoustic Measurement Technology. Top assignees: Schlumberger Technology Corporation, Victor Company of Japan, Limited, Hitachi Electronics Engineering Co., Ltd.. Active years: 1986-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakajima. Retrieved from https://idiyas.com/inventor/hiroshi-nakajima-mvmje7f5

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

USPTO Granted Patents = 23 

% Patents Active = 91.3

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 133(Granted Patents)


Location History:

  • Zama, JP (1988)
  • Chigasaki, JP (2002)
  • Sagamihara, JP (1986 - 2020)
  • Kanagawa-ken, JP (2001 - 2020)
  • Sugar Land, TX (US) (2022)

Company Filing History:

goldMedal16 out of 10,760 
 
Schlumberger Technology Corporation
 patents
silverMedal3 out of 2,887 
 
Victor Company of Japan, Limited
 patents
bronzeMedal2 out of 88 
 
Hitachi Electronics Engineering Co., Ltd.
 patents
4. 1 out of 114 
 
Intelliserv, Inc.
 patents
5. 1 out of 1,961 
 
Showa Denko K.k.
 patents

Years Active: 1986-2022

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Areas of Expertise:
Logging While Drilling
Acoustic Tool
Ultrasonic Transducers
Non-Contact Measurement
Geo-Steering
Downhole Tools
Formation Velocities
Vibration Measurements
Borehole Logging
Waveform Processing
Fault Location
Fuel Cell Catalyst
23 patents (USPTO):Explore Patents
1. 11536130 - Logging while drilling (LWD) mechanical calipers (2022-12-27),
2. 11493657 - Ultrasonic transducers for measuring formation velocities (2022-11-08),
3. 10859726 - Multi-mode acoustic tool and method (2020-12-08),
4. 10663611 - Methods and systems for non-contact vibration measurements (2020-05-26),
5. 10544668 - System and methodology for acoustic measurement driven geo-steering (2020-01-28),
6. 10533410 - Method and system of model-based acoustic measurements for a perforated casing (2020-01-14),
7. 10392934 - Method and apparatus for processing waveforms (2019-08-27),
8. 10364664 - Downhole acoustic mapping (2019-07-30),
9. 10359531 - Non-contact system and methodology for measuring a velocity vector (2019-07-23),
10. 9823375 - Apparatus for logging while drilling acoustic measurement (2017-11-21),
11. 9570757 - Fuel cell catalyst layer and uses thereof (2017-02-14),
12. 9476293 - Transducer assembly for a downhole tools (2016-10-25),
13. 8286475 - Transducer assemblies for downhole tools (2012-10-16),
14. 8072347 - Method and apparatus for locating faults in wired drill pipe (2011-12-06),
15. 7281578 - Apparatus and methods for positioning in a borehole (2007-10-16),

Title: The Innovative Journey of Hiroshi Nakajima

Introduction: Hiroshi Nakajima, a visionary inventor hailing from Sagamihara, Japan, has made significant contributions to the field of technology with his groundbreaking inventions and patents.

Latest Patents: Hiroshi Nakajima holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to innovation and progress.

Career Highlights: Throughout his illustrious career, Hiroshi Nakajima has worked with leading research institutions and technology companies, spearheading projects that have revolutionized various industries. His expertise in developing cutting-edge solutions has earned him recognition as a pioneer in the field of innovation.

Collaborations: Hiroshi Nakajima has collaborated with top universities and multinational corporations to bring his inventions to life. His ability to work seamlessly with diverse teams and leverage collective expertise has led to the successful implementation of numerous groundbreaking technologies.

Conclusion: In conclusion, Hiroshi Nakajima's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a trailblazing inventor in the global landscape of inventions. His contributions continue to inspire future generations of inventors and shape the world of tomorrow.

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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