Izumiotsu, Japan

Takeharu Nakajima

This inventor holds 2 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignee: Kaneka Corporation. Active years: 2004-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeharu Nakajima. Retrieved from https://idiyas.com/inventor/takeharu-nakajima

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

 

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 81(Granted Patents)


Location History:

  • Settsu, JP (2004)
  • Izumiotsu, JP (2014)

Company Filing History:


Years Active: 2004-2014

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2 patents (USPTO):Explore Patents

Title: Takeharu Nakajima: Innovator in Solar Technology

Introduction

Takeharu Nakajima is a prominent inventor based in Izumiotsu, Japan. He has made significant contributions to the field of solar technology, holding a total of 2 patents. His work focuses on improving the efficiency and reliability of solar cell modules.

Latest Patents

Among his latest patents is a solar cell module that aims to reduce improper wiring and enhance working efficiency. This invention includes a solar cell panel and a terminal box that houses a plus electrode-connecting terminal and a minus electrode-connecting terminal. The design features a first cable consisting of one of two positive inner wires connected to the plus electrode-connecting terminal and one of two negative inner wires connected to the minus electrode-connecting terminal. Additionally, a second connector is included, which consists of the other of the two positive inner wires and the other of the two negative inner wires. Notably, the first cable is shorter than the second cable, which contributes to the overall efficiency of the solar cell module.

Another significant patent involves a photovoltaic module that comprises a rectangular module body and a frame secured to the sides of the body. The frame consists of an upper bar, a lower bar, and a pair of side bars. The upper bar features an insertion projection that is thinner than the upper bar itself, enhancing the module's structural integrity.

Career Highlights

Takeharu Nakajima is associated with Kaneka Corporation, a company known for its innovative approaches in the field of solar energy. His work at Kaneka has positioned him as a key player in advancing solar technology.

Collaborations

He has collaborated with notable coworkers such as Kazunari Iwamoto and Haruhiko Ito, contributing to various projects that aim to enhance solar energy solutions.

Conclusion

Takeharu Nakajima's contributions to solar technology through his patents reflect his commitment to innovation and efficiency. His work continues to influence the development of solar energy solutions, making a significant impact in the industry.

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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