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For the Inventor, By the Inventor

Nasu, Japan

Tsutomu Yamakawa

This inventor holds 18 USPTO granted patents, primarily in Nuclear Medicine. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Corporation, Other. Active years: 1988-2006.

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

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 7

Forward Citations = 179(Granted Patents)


Location History:

  • Nishinasuno, JP (1996)
  • Tochigiken, JP (1995 - 2002)
  • Tochigi, JP (1988 - 2003)
  • Nasu-gun, JP (2000 - 2006)

Company Filing History:

goldMedal16 out of 53,276 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal1 out of 193 
 
Toshiba Corporation
 patents
bronzeMedal1 out of 834,570 
Other
 patents

Years Active: 1988-2006

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Areas of Expertise:
Nuclear Medicine
Scintillation Camera
Radiation Detector
Diagnostic Apparatus
Gamma Camera
Charge Detector
Emission Computed Tomography
Semiconductor Radiation Detector
Signal Processing
Autotuning
Gain Control
Offset Control
18 patents (USPTO):Explore Patents
1. 7138634 - Nuclear medical diagnostic apparatus (2006-11-21),
2. 6590215 - Readout circuit for a charge detector (2003-07-08),
3. 6509565 - Discriminator circuit for a charge detector (2003-01-21),
4. 6423971 - Emission computed tomography through the detection of paired gamma rays (2002-07-23),
5. 6373060 - Nuclear medicine diagnostic apparatus (2002-04-16),
6. 6285028 - Semiconductor radiation detector and nuclear medicine diagnostic apparatus (2001-09-04),
7. 6236051 - Semiconductor radiation detector (2001-05-22),
8. 6163027 - Scintillation camera and sensor for use therein (2000-12-19),
9. 6043494 - Gamma camera system (2000-03-28),
10. 5925882 - Scintillation camera and sensor for use therein (1999-07-20),
11. 5625191 - Scintillation camera and sensor for use therein (1997-04-29),
12. 5504333 - Scintillation camera (1996-04-02),
13. 5442181 - Radiation detector and its manufacturing method (1995-08-15),
14. 5412215 - Method and system capable of tuning scintillation camera by small number (1995-05-02),
15. 5004904 - Method and system for controlling gain and offset in radiation (1991-04-02),

Title: Tsutomu Yamakawa: Pioneering Inventor from Nasu-gun

Introduction: Tsutomu Yamakawa is a renowned inventor hailing from Nasu-gun, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tsutomu Yamakawa holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy solutions.

Career Highlights: With a career spanning over three decades, Tsutomu Yamakawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized the industry.

Collaborations: Throughout his career, Tsutomu Yamakawa has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and excellence.

Conclusion: Tsutomu Yamakawa's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a visionary inventor in the global tech community.

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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