Toyohashi, Japan

Hatsumi Takeda

This inventor holds 9 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Mitsubishi Rayon Company, Limited, Mitsubishi Rayon Cleansui Company, Limited, Kuraray Co., Ltd.. Active years: 2008-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hatsumi Takeda. Retrieved from https://idiyas.com/inventor/hatsumi-takeda

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

USPTO Granted Patents = 9 

% Patents Active = 88.9

 

Average Co-Inventor Count = 3.7

ph-index = 5

Forward Citations = 70(Granted Patents)


Location History:

  • Aichi, JP (2016)
  • Toyohashi, JP (2008 - 2019)

Company Filing History:


Years Active: 2008-2019

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9 patents (USPTO):Explore Patents

Title: Innovations by Hatsumi Takeda

Introduction

Hatsumi Takeda is a prominent inventor based in Toyohashi, Japan. She has made significant contributions to the field of water purification technology. With a total of 9 patents to her name, her work focuses on improving the efficiency and effectiveness of water filtration systems.

Latest Patents

Among her latest inventions are the water purifying cartridge and the pitcher-type water purifier. The pitcher-type water purifier comprises a pitcher body with a cylindrical casing and a partition for separating the interior. It features a lid that seals the top and a detachable water purifying cartridge. Another notable invention is the water filter cartridge, which minimizes fluctuations in filtration flow rate and performance due to activated carbon. This cartridge is designed to maintain stable performance even during large-scale production.

Career Highlights

Hatsumi Takeda has worked with notable companies such as Mitsubishi Rayon Company, Limited and Mitsubishi Rayon Cleansui Company, Limited. Her experience in these organizations has contributed to her expertise in water purification technologies.

Collaborations

Some of her coworkers include Tsuyoshi Doi and Takeshi Ishikawa, who have collaborated with her on various projects.

Conclusion

Hatsumi Takeda's innovative work in water purification has led to significant advancements in the field. Her inventions continue to impact the way we approach water filtration and purification.

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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