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For the Inventor, By the Inventor

Tokyo, Japan

Yoshikazu Takamatsu

This inventor holds 30 USPTO granted patents and 3 published patent applications and 7 EPO patents, primarily in Battery Technology. Top assignees: Calsonic Kansei Corporation, Asahi Kasei Chemicals Corporation, Nihon Radiator Co., Ltd.. Active years: 1985-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshikazu Takamatsu. Retrieved from https://idiyas.com/inventor/yoshikazu-takamatsu

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

Calculating rank
USPTO Granted Patents = 30 

% Patents Active = 60.0

 

Average Co-Inventor Count = 2.3

ph-index = 8

Forward Citations = 211(Granted Patents)


Location History:

  • Tochigi, JP (2004)
  • Toyko, JP (2005)
  • Nakano-ku, JP (2006)
  • Kurashiki, JP (2000 - 2009)
  • Sano, JP (1985 - 2014)
  • Tokyo, JP (1990 - 2017)
  • Saitama, JP (2015 - 2021)

Company Filing History:

goldMedal17 out of 560 
 
Calsonic Kansei Corporation
 patents
silverMedal7 out of 510 
 
Asahi Kasei Chemicals Corporation
 patents
bronzeMedal2 out of 49 
 
Nihon Radiator Co., Ltd.
 patents
4. 1 out of 1,001 
 
Asahi Kasei Kabushiki Kaisha
 patents
5. 1 out of 1,297 
 
Asahi Kasei Kogyo Kabushiki Kaisha
 patents
6. 1 out of 126 
 
Calsonic Corporation
 patents
7. 1 out of 834,601 
Other
 patents

Years Active: 1985-2021

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Areas of Expertise:
Assembled Battery
Battery Pack
Vehicle Battery Cooling
Propylene Production
Aromatic Compounds
Ethylene Production
Multi-Channel Tube
Air Conditioning Apparatus
Flexible Hose
Joint Structure
Cyclohexanol Preparation
Liquid Receiver
30 patents (USPTO):Explore Patents
1. 11024914 - Assembled battery (2021-06-01),
2. 10665835 - Assembled battery and manufacturing method of assembled battery (2020-05-26),
3. 9573862 - Method for converting olefin or alcohol and method for producing propylene or aromatic compound (2017-02-21),
4. 9112227 - Battery pack (2015-08-18),
5. 9079168 - Process for producing propylene (2015-07-14),
6. 8703311 - Vehicle battery cooling device (2014-04-22),
7. 8450551 - Method for producing propylene (2013-05-28),
8. 8034987 - Process for producing propylene and aromatic hydrocarbons, and producing apparatus therefor (2011-10-11),
9. 7893311 - Method for producing ethylene and propylene (2011-02-22),
10. 7884257 - Method for producing ethylene and propylene (2011-02-08),
11. 7553148 - Production apparatus and production method for producing bent portion of multi-channel tube (2009-06-30),
12. 7473801 - Method for purification of amino acid (2009-01-06),
13. 7364208 - Structure for connecting two members, method therefor, and die (2008-04-29),
14. 7350823 - Double pipe forked part structure and method of making the same (2008-04-01),
15. 7344164 - Pipe connection structure (2008-03-18),

Title: The Innovative Mind of Yoshikazu Takamatsu

Introduction: Yoshikazu Takamatsu is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yoshikazu Takamatsu holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and forward-thinking approach to problem-solving.

Career Highlights: With a career spanning over two decades, Takamatsu has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries. His keen eye for detail and passion for innovation have earned him a reputation as a trailblazer in the field.

Collaborations: Throughout his career, Yoshikazu Takamatsu has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of creativity and knowledge-sharing. His collaborative efforts have resulted in the development of cutting-edge technologies that have revolutionized the way we live and work.

Conclusion: Yoshikazu Takamatsu's relentless pursuit of innovation and his commitment to pushing the boundaries of what is possible have solidified his position as a visionary inventor in the global tech community. His work continues to inspire future generations of inventors and innovators to think boldly and create solutions that have a lasting impact on society.

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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