This inventor holds 1 USPTO granted patent and 4 published patent applications. Top assignees: Honda Motor Co., Ltd., National Institute of Advanced Industrial Science and Technology. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 22,925 
1 out of 1,770 
Years Active: 2026
Title: Takashi Hakari and His Work on Secondary-Battery Materials
Introduction
Takashi Hakari is an inventor associated with Saitama, Japan. His patent work addresses materials for secondary batteries, with a focus on the composition and structural properties of positive electrode active materials.
Latest Patents
Hakari is credited with 1 patent: “Positive Electrode Active Material for Use in Secondary Batteries and Method for Production Thereof.” The invention describes an oxide containing lithium, manganese, and titanium, with specified ranges for each element’s content. It also defines the material by its X-ray diffraction characteristics and lattice constant, providing criteria for identifying the oxide as a candidate positive electrode active material.
Career Highlights
Hakari’s listed professional affiliations include Honda Motor Co., Ltd. and the National Institute of Advanced Industrial Science and Technology. These affiliations connect his work with both industrial and research settings.
Collaborations
His listed coworkers include Kazumasa Sakatsume and Yoshiyuki Morita. Their names are associated with Hakari’s professional and patent-related context.
Conclusion
Takashi Hakari’s documented invention focuses on a compositionally and structurally defined oxide for secondary-battery positive electrodes, reflecting his contributions to battery-material innovation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile