Hitachinaka, Japan

Takao Aradachi

This inventor holds 25 USPTO granted patents and 5 published patent applications and 9 EPO patents, primarily in Battery Charging Technology. Top assignees: Hitachi Koki Co., Ltd., Koki Holdings Co., Ltd., Hitachi Koko Co., Ltd.. Active years: 2005-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Aradachi. Retrieved from https://idiyas.com/inventor/takao-aradachi

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

USPTO Granted Patents = 25 

% Patents Active = 40.0

 

Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 1,282(Granted Patents)


Location History:

  • Hitachinaka, JP (2006 - 2019)
  • Ibaraki, JP (2005 - 2020)

Company Filing History:


Years Active: 2005-2020

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Areas of Expertise:
Battery Diagnosis Device
Battery Pack
Power Tool
Battery Charger
Charging System
Lithium Battery Pack
Charging Apparatus
Overcurrent Protection Circuit
DC Power Source Unit
Charge Control Method
Charge Abnormality Checking
Battery Life Judging Function
25 patents (USPTO):Explore Patents

Title: The Innovative Journey of Takao Aradachi

Introduction: Takao Aradachi, based in Hitachinaka, Japan, is a highly regarded inventor with an impressive portfolio of 25 patents. His contributions to the field of battery technology and power tools have significantly advanced industry standards and practices. Aradachi's innovative spirit continues to drive advancements that enhance user experience and safety.

Latest Patents: Among Aradachi's latest inventions is a sophisticated battery diagnosis device designed to easily determine whether a battery pack qualifies for a warranty. This device effectively distinguishes between old and new battery packs, preventing the use of outdated packs in the field. When a battery diagnosis device verifies a battery pack as warranty-eligible, it compiles and transfers the information onto a second battery pack, ensuring optimal functionality. In addition, he has developed a cutting-edge power tool that features a motor, a connecting unit for secondary batteries, and a controller. This controller monitors the voltage changes of the connected secondary battery and limits motor operation when these voltage fluctuations reach predefined thresholds, thereby promoting safety and efficiency.

Career Highlights: Takao Aradachi has made significant professional strides at prominent companies such as Hitachi Koki Co., Ltd. and Koki Holdings Co., Ltd. His experience and expertise within these organizations have propelled him to the forefront of innovation in battery technology and tool design.

Collaborations: Throughout his career, Aradachi has collaborated with talented colleagues like Kazuhiko Funabashi and Nobuhiro Takano. These collaborations have fostered an environment of creativity and innovation, resulting in groundbreaking advancements in their respective fields.

Conclusion: Takao Aradachi's relentless pursuit of excellence in innovation positions him as a key figure in advancing battery technology and power tools. His patents not only showcase his ingenuity but also contribute significantly to enhancing user safety and product reliability in the industry. As technology continues to evolve, Aradachi's work will undoubtedly inspire future advancements and innovations.

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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