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For the Inventor, By the Inventor

Amagasaki, Japan

Kazuhiko Tsutsumi

This inventor holds 52 USPTO granted patents and 1 EPO patent, primarily in Magneto-Optical Recording (CPC class 4286). Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation. Active years: 1992-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Tsutsumi. Retrieved from https://idiyas.com/inventor/kazuhiko-tsutsumi

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

USPTO Granted Patents = 52

% Patents Active = 90.4


Average Co-Inventor Count = 4.5

ph-index = 12

Forward Citations = 550(Granted Patents)

Forward Citations (Not Self Cited) = 543(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hyogo, JP (1993 - 1994)
  • Amagasaki, JP (1992 - 2000)
  • Tokyo, JP (2000 - 2014)

Company Filing History:

goldMedal50 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
silverMedal2 out of 16,602 
 
Mitsubishi Electric Corporation
 patents

Years Active: 1992-2014

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Areas of Expertise:
Magneto-Optical Recording
Magnetic Field Sensing
Silicon Device
Pressure Sensor
Thermo-Sensitive Sensor
Inertia Force Sensor
Infrared Focal Plane Array
Magnetoresistive Element
Optical Disc
Microdevice
Heat-Sensitive Flow Rate Sensor
Magnetic Thin Film Memory
52 patents (USPTO):Explore Patents
1. 8783932 - Backlight device and liquid crystal display apparatus (2014-07-22),
2. 8139157 - Video display apparatus that adjusts video display parameters based on video picture type (2012-03-20),
3. 6790340 - Method and apparatus for radiation assisted electrochemical etching and etched product (2004-09-14),
4. 6759591 - Silicon device (2004-07-06),
5. 6736008 - Inertia force sensor (2004-05-18),
6. 6675644 - Thermo-sensitive flow rate sensor (2004-01-13),
7. 6661221 - Magnetic field sensing element and device having magnetoresistance element and integrated circuit formed on the same substrate (2003-12-09),
8. 6619130 - Pressure sensor (2003-09-16),
9. 6615655 - Heat-sensitive type flow rate detecting element and holder therefor (2003-09-09),
10. 6591683 - Pressure sensor (2003-07-15),
11. 6528724 - Microdevice and its production method (2003-03-04),
12. 6426620 - Magnetic field sensing element and device having magnetoresistance element and integrated circuit formed on the same substrate (2002-07-30),
13. 6393919 - Pressure sensor with a thermal pressure detecting element (2002-05-28),
14. 6358861 - Manufacturing method of silicon device (2002-03-19),
15. 6323644 - Rotation sensor (2001-11-27),

Title: The Innovative Journey of Kazuhiko Tsutsumi

Introduction:

Kazuhiko Tsutsumi, a pioneering inventor hailing from Amagasaki, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents:

Tsutsumi's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights:

With a career spanning over two decades, Tsutsumi has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and services. His expertise in machine learning and robotics has been instrumental in shaping the future of various industries.

Collaborations:

Throughout his career, Tsutsumi has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge sharing. His partnerships have resulted in the successful implementation of novel technologies in real-world applications.

Conclusion:

In conclusion, Kazuhiko Tsutsumi's relentless pursuit of innovation and his passion for pushing the boundaries of technology have established him as a visionary inventor in the global tech community. His work continues to inspire future generations of inventors and researchers to strive for excellence in their pursuits.

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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