Hitachi, Japan

Takako Sumiya

This inventor holds 2 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Hitachi-Ge Nuclear Energy, Ltd., Kurita Water Industries Ltd.. Active years: 2016-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takako Sumiya. Retrieved from https://idiyas.com/inventor/takako-sumiya

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

 

Average Co-Inventor Count = 6.5

ph-index = 1


Company Filing History:


Years Active: 2016-2018

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2 patents (USPTO):Explore Patents

Title: Takako Sumiya: Innovator in Environmental Technology

Introduction

Takako Sumiya is a prominent inventor based in Hitachi, Japan. She has made significant contributions to the field of environmental technology, particularly in the treatment of radioactive waste and metal ion solutions. With a total of 2 patents, her work has garnered attention for its innovative approaches to complex challenges.

Latest Patents

Sumiya's latest patents include a treatment method and apparatus for iron-group metal ion-containing liquids, as well as a decontamination method and apparatus for radioactive waste ion exchange resin. In her electrodeposition treatment, she efficiently removes iron-group metal ions from liquids by utilizing a cation exchange membrane. This method allows for the effective precipitation of iron-group metals without being influenced by the properties of the liquid. Additionally, her radioactive organic waste treatment method involves desorbing radionuclide ions from cation exchange resins using an organic acid salt aqueous solution, which significantly reduces the concentration of radioactive substances.

Career Highlights

Throughout her career, Sumiya has worked with notable companies such as Hitachi GE Nuclear Energy, Ltd. and Kurita Water Industries Ltd. Her experience in these organizations has allowed her to develop and refine her innovative technologies, contributing to advancements in environmental safety and waste management.

Collaborations

Sumiya has collaborated with esteemed colleagues, including Kazushige Ishida and Shingo Miyamoto. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in the field of environmental technology.

Conclusion

Takako Sumiya's contributions to environmental technology through her innovative patents and collaborations highlight her role as a leading inventor in her field. Her work continues to pave the way for advancements in the treatment of hazardous materials, showcasing the importance of innovation in addressing global challenges.

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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