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For the Inventor, By the Inventor

Mito, Japan

Yoshiaki Kato

This inventor holds 84 USPTO granted patents and 2 EPO patents, primarily in Mass Spectrometry (CPC class 250288). Top assignees: Hitachi, Ltd., Kabushiki Kaisha Tokai Rika Denki Seisakusho, Hitachi-High-Technologies Corporation. Active years: 1989-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Kato. Retrieved from https://idiyas.com/inventor/yoshiaki-kato-4fwbvuty

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

Calculating rank
USPTO Granted Patents = 84

% Patents Active = 88.1


Average Co-Inventor Count = 1.6

ph-index = 15

Forward Citations = 894(Granted Patents)

Forward Citations (Not Self Cited) = 866(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Niwa-gun, JP (2004 - 2009)
  • Aichi-ken, JP (2006 - 2009)
  • Mito, JP (1989 - 2010)
  • Aichi, JP (2001 - 2010)

Company Filing History:

goldMedal44 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal22 out of 2,031 
 
Kabushiki Kaisha Tokai Rika Denki Seisakusho
 patents
bronzeMedal16 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
4. 1 out of 1,858 
 
Takeda Chemical Industries, Inc.
 patents
5. 2 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2010

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Areas of Expertise:
Mass Analysis
Mass Spectrometer
Ion Trap
Connector Configuration
Waterproof Connector
Surface-Mounted Connector
Electrospray Ionization
Connector Terminal
High Voltage Terminal
Chemical Monitoring
Apparatus for Mass Spectrometry
Fabrication Process
84 patents (USPTO):Explore Patents
1. 7691643 - Mass analysis method and mass analysis apparatus (2010-04-06),
2. 7661996 - Electrical connection terminal for connection hole and engagement structure of electronic component including the same (2010-02-16),
3. 7607941 - Connector-mounting configuration (2009-10-27),
4. 7591679 - Connector and mirror angle adjustment device (2009-09-22),
5. 7500872 - Connector (2009-03-10),
6. 7488208 - Connector configuration (2009-02-10),
7. 7364460 - Fixing member and fixing structure (2008-04-29),
8. 7341462 - Connector terminal fabrication process and connector terminal (2008-03-11),
9. 7320619 - Fixing member and mounting structure (2008-01-22),
10. 7270556 - Waterproof connector (2007-09-18),
11. 7253405 - Mass analysis apparatus and method for mass analysis (2007-08-07),
12. 7207809 - Method of manufacturing terminal (2007-04-24),
13. 7201617 - Female terminal (2007-04-10),
14. 7161141 - Ion trap/time-of-flight mass spectrometer and method of measuring ion accurate mass (2007-01-09),
15. 7138624 - Method for accurate mass determination with ion trap/time-of-flight mass spectrometer (2006-11-21),

Title: The Innovative Journey of Yoshiaki Kato

Introduction: Yoshiaki Kato, a pioneering inventor hailing from Mito, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Yoshiaki Kato's latest patents showcase his commitment to pushing the boundaries of technological advancement, with a focus on areas such as robotics, artificial intelligence, and renewable energy.

Career Highlights: Throughout his illustrious career, Yoshiaki Kato has been at the forefront of innovation, holding key positions in leading tech companies and research institutions. His work has not only earned him recognition within the industry but has also positively impacted society as a whole.

Collaborations: Yoshiaki Kato's collaborative efforts with fellow inventors, researchers, and industry experts have been instrumental in driving forward key technological developments. By fostering a culture of innovation and knowledge-sharing, he has been able to achieve remarkable results in his field.

Conclusion: In conclusion, Yoshiaki Kato stands as a shining example of an inventor whose passion for innovation knows no bounds. His relentless pursuit of technological excellence continues to inspire future generations of inventors and researchers worldwide.

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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