Yokohama, Japan

Takeo Koike

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Kioxia Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Koike. Retrieved from https://idiyas.com/inventor/takeo-koike-8vamd88p

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Takeo Koike: Innovator in Magnetic Storage Technology

Introduction: Takeo Koike is a prominent inventor based in Yokohama, Japan. He is known for his contributions to the field of magnetic storage devices. With a focus on innovative technology, Koike has made significant strides in enhancing data storage solutions.

Latest Patents: Takeo Koike holds a patent for a magnetic storage device. This device includes first and second magnetic layers along with a non-magnetic layer. The non-magnetic layer consists of multiple oxide layers, including a first oxide layer containing magnesium and oxygen, a second oxide layer also containing magnesium and oxygen, a third oxide layer with zinc and oxygen, a fourth oxide layer with a first predetermined element and oxygen, and a fifth oxide layer with a second predetermined element and oxygen. Notably, the crystal structures of the oxides of the first and second predetermined elements exhibit a rock salt structure. The first and second predetermined elements have an oxide formation free energy greater than that of zinc, and their oxides possess a bandgap narrower than that of magnesium oxide. This innovation is a testament to Koike's expertise in the field, as he has been granted 1 patent for this invention.

Career Highlights: Takeo Koike is currently associated with Kioxia Corporation, a leading company in the storage solutions industry. His work at Kioxia has allowed him to explore and develop advanced technologies in magnetic storage. Koike's dedication to innovation has positioned him as a key figure in the field.

Collaborations: Throughout his career, Takeo Koike has collaborated with notable colleagues, including Hiroyuki Kanaya and Masahiko Nakayama. These collaborations have further enriched his work and contributed to advancements in magnetic storage technology.

Conclusion: Takeo Koike's contributions to magnetic storage devices highlight his innovative spirit and technical expertise. His patent and work at Kioxia Corporation reflect his commitment to advancing technology in the storage industry.

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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