Kawanabe-gun, Japan

Shigeo Ikuta

This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Lithium-Ion Batteries. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 1994-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Ikuta. Retrieved from https://idiyas.com/inventor/shigeo-ikuta

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 91.3

Average Co-Inventor Count = 3.7

ph-index = 12

Forward Citations = 571(Granted Patents)


Location History:

  • Osaka, JP (1994)
  • Tondabayashi, JP (1995)
  • Katano, JP (1998 - 2001)
  • Hirakata, JP (2003 - 2008)
  • Kagoshima, JP (2010)
  • Kawanabe, JP (2010)
  • Kawanabe-gun, JP (2008 - 2012)

Company Filing History:


Years Active: 1994-2012

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Areas of Expertise:
Lithium Ion Battery
Secondary Battery
Non-Aqueous Electrolyte
Electrode
Manufacturing Method
Thin-Film Transistor
Humidity Sensor
Water-Repelling
Chemically Adsorbed Film
Panel
Liquid-Crystal Display
23 patents (USPTO):Explore Patents

Title: **Shigeo Ikuta: Innovator in Lithium-Ion Battery Technology**

Introduction

Shigeo Ikuta, hailing from Kawanabe-gun, Japan, is a prominent inventor recognized for his significant contributions to the development of lithium-ion battery technology. With an impressive portfolio of 23 patents, Ikuta has made strides that enhance the efficiency and performance of modern batteries, ensuring they meet the evolving demands of various applications.

Latest Patents

Among his latest innovations is a lithium-ion secondary battery that includes a positive electrode capable of absorbing and desorbing lithium ions, alongside a negative electrode with similar capabilities. This battery features a porous film interposed between the electrodes and incorporates a non-aqueous electrolyte. Notably, the porous film contains an inorganic filler and a specialized binder that provides water-insolubility and high decomposition temperatures, offering improved performance and durability. Furthermore, Ikuta's secondary battery design includes a porous electron-insulating layer that enhances low-temperature characteristics and allows for large current discharges, making it practical for real-world applications.

Career Highlights

Shigeo Ikuta has had a notable career with leading companies in the technology sector. He has worked with Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation, where he honed his skills and contributed to various advancements in battery technology. His extensive experience in these prestigious organizations has enabled him to push the boundaries of existing technologies and innovate in the competitive field of electronics.

Collaborations

Throughout his career, Ikuta has collaborated with talented coworkers, including Tetsuya Hayashi and Tsumoru Ohata. These partnerships have allowed for the exchange of ideas and expertise, further enriching the development of cutting-edge technologies that have potential applications in multiple industries.

Conclusion

Shigeo Ikuta's work in the realm of lithium-ion batteries exemplifies the spirit of innovation that drives modern advancements in technology. His patents reflect a commitment to improving energy storage solutions, and his contributions will likely have lasting impacts on the electronics industry. As the demand for efficient and sustainable power sources grows, innovations like those of Ikuta will continue to play a crucial role in shaping the future of energy technologies.

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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