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For the Inventor, By the Inventor

Kanagawa, Japan

Masakazu Nishikawa

This inventor holds 64 USPTO granted patents and 1 EPO patent, primarily in Magnetic Transfer Technology (CPC class G11B). Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation, Fuij Photo Film Co., Ltd.. Active years: 2003-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Nishikawa. Retrieved from https://idiyas.com/inventor/masakazu-nishikawa

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

USPTO Granted Patents = 64

% Patents Active = 18.8


Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 134(Granted Patents)

Forward Citations (Not Self Cited) = 97(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (2003 - 2008)
  • Kanagawa, JP (2004 - 2008)
  • Odawara, JP (2003 - 2011)

Company Filing History:

goldMedal50 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
silverMedal13 out of 16,949 
 
Fujifilm Corporation
 patents
bronzeMedal1 out of 3 
 
Fuij Photo Film Co., Ltd.
 patents

Years Active: 2003-2011

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Areas of Expertise:
Magnetic Transfer
Master Carrier
Magnetic Recording Medium
Information Carrier
Transfer Method
High-Density Recording
Magnetic Transfer Device
Production Method
Inspection Method
Apparatus
Slave Medium
Medium Rotation
64 patents (USPTO):Explore Patents
1. 7982984 - Magnetic transfer master carrier, magnetic transfer method, and magnetic recording medium (2011-07-19),
2. 7502184 - Method of magnetic transfer and stopping slave medium rotation (2009-03-10),
3. 7477463 - Master information carrier for magnetic transfer (2009-01-13),
4. 7465383 - Master information carrier for magnetic transfer and its production method (2008-12-16),
5. 7420757 - Method and apparatus for magnetic transfer (2008-09-02),
6. 7385774 - Master information carrier for magnetic transfer, magnetic transfer method, and magnetic recording medium (2008-06-10),
7. 7382558 - Magnetic transfer apparatus (2008-06-03),
8. 7369336 - Master carrier for magnetic transfer (2008-05-06),
9. 7301714 - Method and apparatus for magnetic transfer, and magnetic recording medium (2007-11-27),
10. 7296478 - Master carrier for magnetic transfer, inspecting method thereof, and magnetic recording medium producing method (2007-11-20),
11. 7294251 - Process of producing master carrier for magnetic transfer (2007-11-13),
12. 7236317 - Magnetic transfer method (2007-06-26),
13. 7199953 - Magnetic transfer master medium, magnetic transfer method, and magnetic transfer master medium forming method (2007-04-03),
14. 7190538 - Master carrier for magnetic transfer, inspecting method thereof, and magnetic recording medium producing method (2007-03-13),
15. 7151641 - Magnetic transfer master medium, magnetic transfer method, and magnetic transfer master medium forming method (2006-12-19),

Title: The Innovative Journey of Masakazu Nishikawa

Introduction: Masakazu Nishikawa is a renowned inventor hailing from Kanagawa-ken, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masakazu Nishikawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Nishikawa has worked with leading tech companies, research institutions, and universities, playing a pivotal role in developing cutting-edge technologies that have revolutionized various industries.

Collaborations: Throughout his career, Masakazu Nishikawa has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Masakazu Nishikawa's passion for innovation, coupled with his relentless pursuit of excellence, has solidified his position as a trailblazer in the world of technology, inspiring future generations of inventors to push the boundaries of what is possible.

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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