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For the Inventor, By the Inventor

Odawara, Japan

Akira Kato

This inventor holds 52 USPTO granted patents, primarily in Magnetic Recording Media (CPC class 4232). Top assignees: Hitachi, Ltd., Babcock-Hitachi Kabushiki Kaisha, Eisai Company, Limited. Active years: 1976-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Kato. Retrieved from https://idiyas.com/inventor/akira-kato-eba5mnvo

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 = 82.7

Average Co-Inventor Count = 5.1

ph-index = 18

Forward Citations = 854(Granted Patents)

Forward Citations (Not Self Cited) = 836(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hitachi, JA (1976 - 1978)
  • Hitachi, JP (1979 - 1993)
  • Mito, JP (1991 - 2003)
  • Ibaraki, JP (1979 - 2007)
  • Odawara, JP (1993 - 2007)

Company Filing History:

goldMedal38 out of 42,740 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 222 
 
Babcock-Hitachi Kabushiki Kaisha
 patents
bronzeMedal5 out of 677 
 
Eisai Company, Limited
 patents
4. 3 out of 2,887 
 
Victor Company of Japan, Limited
 patents
5. 2 out of 26 
 
Babcock-Hitachi K.k.
 patents
6. 2 out of 227 
 
Hitachi Global Storage Technologies Japan, Ltd.
 patents
7. 2 out of 546 
 
Mitsubishi Petrochemical Company Limited
 patents
8. 2 out of 55 
 
Shinmaywa Industries, Ltd.
 patents
9. 1 out of 1 
 
Hitachi, Ltd. and Babcock-Hitachi Kabushiki Kaisha
 patent
where one patent can have more than one assignee

Years Active: 1976-2007

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Areas of Expertise:
Magnetic Recording Medium
Film Deposition
Exhaust Gas Purification
Magnetic Disk Apparatus
Thin Film Magnetic Disc
Antidementia Medicament
Nitrogen Oxides Removal
Optical System
Glass Substrate
Suppository
Catalyst
DVD Disk Case
52 patents (USPTO):Explore Patents
1. 7259936 - Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device (2007-08-21),
2. 7223449 - Film deposition method (2007-05-29),
3. 7133218 - Optical system (2006-11-07),
4. 7035049 - Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device (2006-04-25),
5. 6852432 - Magnetic recording media and magnetic disk apparatus (2005-02-08),
6. 6815454 - Percutaneously applicable preparation and suppository containing an antidementia medicament (2004-11-09),
7. 6801397 - Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device (2004-10-05),
8. 6743443 - Tablets immediately disintegrating in the oral cavity (2004-06-01),
9. 6703148 - Magnetic recording medium and magnetic disk apparatus using the same (2004-03-09),
10. 6623873 - Magnetic recording medium and magnetic disk apparatus using the same (2003-09-23),
11. 6577472 - Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture (2003-06-10),
12. 6544667 - Magnetic recording medium, producing method of the same and magnetic recording system (2003-04-08),
13. 6521639 - Percutaneously applicable preparation and suppository containing an antidementia medicament (2003-02-18),
14. 6517784 - Exhaust gas purifying apparatus for an internal combustion engine (2003-02-11),
15. 6509111 - Magnetic recording media and magnetic disk apparatus (2003-01-21),

Title: The Innovative Journey of Akira Kato

Introduction: Akira Kato, a pioneering inventor hailing from Odawara, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Akira Kato's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and storage solutions.

Career Highlights: With a career spanning over two decades, Akira Kato has been at the forefront of cutting-edge research and development in the renewable energy sector. Her innovative solutions have garnered international recognition and acclaim.

Collaborations: Throughout her career, Akira Kato has collaborated with leading research institutions, universities, and tech companies to further the boundaries of renewable energy technologies. Her collaborative efforts have resulted in groundbreaking inventions that have reshaped the industry.

Conclusion: Akira Kato's unwavering dedication to innovation and sustainability continues to inspire future generations of inventors and researchers. Her pioneering work in the field of renewable energy serves as a testament to the power of innovation in creating a more sustainable future.

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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