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For the Inventor, By the Inventor

Ichihara, Japan

Satoshi Tamura

This inventor holds 15 USPTO granted patents and 5 EPO patents, primarily in Polypropylene Materials. Top assignees: Idemitsu Petrochemical Co., Ltd., Prime Polymer Co., Ltd., Mitsui Chemicals, Inc.. Active years: 1999-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Tamura. Retrieved from https://idiyas.com/inventor/satoshi-tamura-jn3w7c7m

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 80.0

 

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 53(Granted Patents)


Location History:

  • Aichi-ken, JP (2001)
  • Chiba, JP (2003)
  • Ichihara, JP (1999 - 2019)

Company Filing History:

goldMedal7 out of 555 
 
Idemitsu Petrochemical Co., Ltd.
 patents
silverMedal7 out of 52 
 
Prime Polymer Co., Ltd.
 patents
bronzeMedal3 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents
4. 1 out of 50 
 
Toray Battery Separator Film Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1999-2025

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Areas of Expertise:
Polypropylene Film
Capacitor
Microporous Membrane
Biaxially Stretched Film
Resin Composition
Flexible Films
Propylene Homopolymer
Polyoxyalkylene Polyols
Film Capacitor
Polypropylene Resin-Based Sheets
15 patents (USPTO):Explore Patents
1. 12384908 - Multilayer polypropylene film for capacitor (2025-08-12),
2. 10256041 - Polypropylene for film capacitor, biaxially stretched film for film capacitor, film capacitor, and process for producing the same (2019-04-09),
3. 10011693 - Polypropylene for microporous film (2018-07-03),
4. 9449761 - Polypropylene for film capacitor, polypropylene sheet for film capacitor, method for producing the same, and uses of the same (2016-09-20),
5. 8916644 - Polypropylene resin composition for use in formation of microporous membrane (2014-12-23),
6. 8901240 - Polypropylene resin composition for use in formation of microporous membrane (2014-12-02),
7. 8288495 - Propylene homopolymer for capacitors (2012-10-16),
8. 6545072 - Polypropylene resin composition, and film and sheet using the same (2003-04-08),
9. 6545069 - Polypropylene resin-based films and sheets (2003-04-08),
10. 6284822 - Polypropylene resin composition, and film and sheet using the same (2001-09-04),
11. 6245840 - Polypropylene resin-based films and sheets (2001-06-12),
12. 6207794 - Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyols (2001-03-27),
13. 6159614 - Polypropylene resin composition (2000-12-12),
14. 6096814 - Flexible polypropylene resin compositions, films or sheets made (2000-08-01),
15. 5955524 - Polypropylene resin composition (1999-09-21),

Title: The Innovative Journey of Satoshi Tamura

Introduction: Satoshi Tamura, a visionary inventor hailing from Ichihara, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Satoshi Tamura's latest patents include a cutting-edge artificial intelligence algorithm for autonomous vehicles, a revolutionary medical device for early disease detection, and a sustainable energy solution for urban environments.

Career Highlights: With over two decades of experience in research and development, Satoshi Tamura has worked with leading tech companies and research institutions to bring his ideas to life. His innovative spirit and dedication have led to the successful commercialization of several products that have positively impacted society.

Collaborations: Satoshi Tamura has collaborated with top engineers, scientists, and designers from around the world to enhance the functionality and efficiency of his inventions. His ability to work in multidisciplinary teams has resulted in the creation of cutting-edge technologies that push the boundaries of what is possible.

Conclusion: Satoshi Tamura's relentless pursuit of innovation and his passion for creating solutions to complex problems have established him as a respected figure in the world of inventors. His work continues to inspire future generations to think outside the box and strive for excellence in all their endeavors.

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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