Hitachinaka, Japan

Kenji Hara

This inventor holds 11 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Hitachi, Ltd., Shin-Kobe Electric Machinery Co., Ltd., Advanced Pdp Development Center Corporation. Active years: 2002-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hara. Retrieved from https://idiyas.com/inventor/kenji-hara-5zc2x2q9

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

Calculating rank
USPTO Granted Patents = 11 

% Patents Active = 36.4


Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 45(Granted Patents)


Location History:

  • Ueno, JP (2002 - 2004)
  • Hitachi, JP (2009 - 2011)
  • Hitachinaka, JP (2013 - 2015)
  • Iga, JP (2010 - 2016)

Company Filing History:


Years Active: 2002-2016

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11 patents (USPTO):Explore Patents

Title: **Kenji Hara: Innovator in Battery and Semiconductor Technology**

Introduction

Kenji Hara, an accomplished inventor based in Hitachinaka, Japan, has made significant contributions to the fields of battery and semiconductor technology. With a prolific portfolio of 11 patents, Hara continues to push the boundaries of innovation, combining advanced materials and cutting-edge designs to enhance device performance.

Latest Patents

Hara's recent patents demonstrate his expertise and forward-thinking approach. One of his notable inventions is a **secondary battery with an organic electrolytic solution**. This highly reliable battery features a set of plates for positive and negative electrodes, with a separator interposed between them. The organic electrolytic solution used is composed of an organic solvent and a dissolved electrolyte, including polyethylene glycol and bis-(3-Sulfopropyl)disulfide, which enhances its performance.

Another significant invention is a **semiconductor device and ultrasonic diagnostic apparatus** using the same technology. This bi-directional analog switch offers high linearity and low electric power loss, making it ideal for efficient power management. The accompanying ultrasonic diagnostic apparatus highlights high detection accuracy, utilizing the advanced semiconductor device designed by Hara.

Career Highlights

Throughout his career, Kenji Hara has worked with notable companies, including Hitachi, Ltd. and Shin-kobe Electric Machinery Co., Ltd. His roles in these organizations have helped him refine his inventive skills and contribute to groundbreaking technologies that address contemporary challenges in electronics and energy storage.

Collaborations

Hara has collaborated with talented individuals like Junichi Sakano and Shinji Shirakawa. These collaborations have fueled creative synergies, enabling the development of innovative products that leverage their combined expertise in engineering and design.

Conclusion

Kenji Hara stands out as a prominent figure in the innovation landscape, particularly in battery and semiconductor technologies. His 11 patents reflect his commitment to enhancing device capabilities through meticulous research and development. As he continues to innovate, the impact of his work is certain to resonate across various industries, paving the way for future advancements.

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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