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For the Inventor, By the Inventor

Niihama, Japan

Koichiro Watanabe

This inventor holds 13 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2012-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Watanabe. Retrieved from https://idiyas.com/inventor/koichiro-watanabe-q4emzmz4

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

Calculating rank
USPTO Granted Patents = 13

% Patents Active = 84.6

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Ehime, JP (2012 - 2019)
  • Niihama, JP (2017 - 2020)

Company Filing History:

goldMedal13 out of 6,965 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 2012-2020

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13 patents (USPTO):Explore Patents
1. 10665838 - Method for manufacturing separator web, method for manufacturing separator, separator web, and apparatus for manufacturing separator web (2020-05-26),
2. 10563299 - Heating roller and film production method (2020-02-18),
3. 10403873 - Gravure roll, method of fabricating a separator, and separator (2019-09-03),
4. 10307925 - Method for producing separator and method for slitting separator original sheet (2019-06-04),
5. 10263232 - Nonaqueous electrolyte secondary battery separator heating device and nonaqueous electrolyte secondary battery separator production method (2019-04-16),
6. 10217982 - Method for producing laminated porous film (2019-02-26),
7. 10179341 - Roll member, coating device, separator production device, and secondary batter production device (2019-01-15),
8. 10141555 - Multi-layered porous film and nonaqueous-electrolyte secondary battery (2018-11-27),
9. 10056591 - Method for producing separator film (2018-08-21),
10. 9931756 - Method for producing separator and method for slitting (2018-04-03),
11. 9673434 - Method for producing laminated porous film (2017-06-06),
12. 9656285 - Roll member, coating device, separator production device, and secondary battery production device (2017-05-23),
13. 8197900 - Coating method and coating apparatus (2012-06-12),

Title: The Innovations of Koichiro Watanabe

Introduction

Koichiro Watanabe is a notable inventor based in Niihama, Japan, known for his significant contributions to the field of material science and manufacturing. With a remarkable portfolio of 13 patents, Watanabe has developed innovative methods that advance the production of separator technologies.

Latest Patents

Among his latest patents, Watanabe has introduced several critical inventions. One of these is a method for manufacturing a separator web that involves detecting defects in the separator original sheet and recording the specific positions of these defects to enhance quality control. This patented method streamlines the process of identifying issues in production, thereby improving product reliability. Another notable invention is the heating roller and film production method, which features a cylindrical member designed for drying a separator original sheet. This innovative design incorporates a novel discharge system for hot water, increasing the efficiency of the drying process.

Career Highlights

Currently, Koichiro Watanabe is employed at Sumitomo Chemical Company, Limited, where he applies his expertise in separator technology to drive research and development efforts. His career reflects a deep commitment to innovation that has led to several patents rooted in practical applications for industrial processes.

Collaborations

Throughout his career, Watanabe has collaborated with accomplished professionals in the field, including Jian Wang and Yasutoshi Minemoto. These partnerships have allowed for a cross-pollination of ideas and expertise, resulting in advancements that benefit both their organization and the broader industry.

Conclusion

Koichiro Watanabe exemplifies the spirit of innovation through his contributions to separator manufacturing technology. His patents are instrumental in shaping the future of material production, making significant strides toward efficiency and quality in manufacturing processes. As an inventor at the forefront of his field, Watanabe's work continues to influence both academic and industrial practices in Japan and beyond.

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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