Toyohashi, Japan

Masato Onishi

This inventor holds 17 USPTO granted patents and 2 EPO patents, primarily in Battery Technology. Top assignees: Toyota Jidosha Kabushiki Kaisha, Matsushita Electric Industrial Co., Ltd., Panasonic Ev Energy Co., Ltd.. Active years: 2000-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Onishi. Retrieved from https://idiyas.com/inventor/masato-onishi

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

Calculating rank

% Patents Active = 82.4


Average Co-Inventor Count = 3.9

ph-index = 6

Forward Citations = 71(Granted Patents)


Location History:

  • Fujisawa, JP (2000 - 2001)
  • Toyohashi, JP (2002 - 2013)

Company Filing History:


Years Active: 2000-2013

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Areas of Expertise:
Battery Manufacturing
Electrolyte Leakage
Current Collector
Prismatic Battery
Short Circuit Inspection
Nickel Metal-Hydride
Charging Device
Rechargeable Battery
Alkaline Storage Battery
Cylindrical Battery
Battery Module
Detection Method
17 patents (USPTO):Explore Patents

Title: Masato Onishi: Innovator in Battery Technology

Introduction

Masato Onishi is a prominent inventor based in Toyohashi, Japan, known for his significant contributions to battery technology. With a total of 17 patents to his name, Onishi has developed innovative methods and devices that enhance the performance and safety of batteries.

Latest Patents

Onishi's latest patents include a manufacturing method of a battery and a check method for electrolyte leakage. The manufacturing method involves an adhering process that incorporates a fluorescent material, which acts as a leakage indicator. This material emits fluorescence when exposed to ultraviolet radiation, allowing for the detection of electrolyte leakage. The check method utilizes this fluorescence to identify the presence or absence of leakage, ensuring the integrity of the battery. Additionally, he has developed a current collector shape adjusting device that enhances the safety of prismatic batteries by detecting potential short circuits caused by the shape of the current collectors.

Career Highlights

Throughout his career, Onishi has worked with notable companies such as Toyota Motor Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these leading organizations has contributed to his expertise in battery technology and innovation.

Collaborations

Onishi has collaborated with esteemed colleagues, including Noriyuki Fujioka and Shinji Hamada, to further advance the field of battery technology. Their combined efforts have led to significant advancements in the safety and efficiency of battery systems.

Conclusion

Masato Onishi's work in battery technology exemplifies innovation and dedication to improving energy solutions. His patents and collaborations reflect a commitment to enhancing the safety and performance of batteries, making a lasting impact in the field.

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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