Hitachi, Japan

Yoshiji Hotta

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Cable, Inc., Other. Active years: 1987-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiji Hotta. Retrieved from https://idiyas.com/inventor/yoshiji-hotta

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.9

ph-index = 3

Forward Citations = 79(Granted Patents)


Company Filing History:

goldMedal3 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 836 
 
Hitachi Cable, Inc.
 patents
bronzeMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2002

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4 patents (USPTO):Explore Patents

Title: The Innovations of Yoshiji Hotta

Introduction

Yoshiji Hotta is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of lithium secondary batteries, holding a total of 4 patents. His work focuses on enhancing battery performance, particularly in terms of power capacity and longevity.

Latest Patents

Hotta's latest patents include a positive electrode activator for lithium secondary batteries and a lithium secondary battery designed for high power capacity and extended service life. The positive electrode activator is characterized by a specific composition of oxides, which improves the efficiency of the battery. Additionally, his lithium secondary battery is engineered to perform better at high temperatures, making it suitable for electric power storage and electric vehicles.

Career Highlights

Throughout his career, Yoshiji Hotta has worked with notable companies such as Hitachi, Ltd. and Hitachi Cable, Inc. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in battery technology.

Collaborations

Hotta has collaborated with esteemed colleagues, including Kyoko Honbo and Akihiro Gotoh. Their combined expertise has contributed to advancements in the field of lithium batteries.

Conclusion

Yoshiji Hotta's contributions to battery technology have positioned him as a key figure in the industry. His innovative patents and collaborations continue to influence the development of efficient energy storage solutions.

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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