Nakama, Japan

Toshiharu Otsuka

This inventor holds 27 USPTO granted patents and 1 published patent application and 16 EPO patents, primarily in Fuel Cell Technology. Top assignees: Toto Ltd., Panasonic Corporation, Morimura Sofc Technology Co., Ltd.. Active years: 1998-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Otsuka. Retrieved from https://idiyas.com/inventor/toshiharu-otsuka

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

USPTO Granted Patents = 27 

% Patents Active = 40.7

 

Average Co-Inventor Count = 5.6

ph-index = 4

Forward Citations = 169(Granted Patents)


Location History:

  • Nakama, JP (2015 - 2018)
  • Kita-kyushu, JP (1998 - 2021)
  • Fukuoka, JP (2018 - 2021)

Company Filing History:


Years Active: 1998-2021

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Areas of Expertise:
Fuel Cell System
Solid Oxide Fuel Cell
Fuel Cell Device
Electrolyzing Water
Variable Generated Power
Reformer Control
Strong Acid Sterilizing Liquid
Non-Membrane Electrolyzer
27 patents (USPTO):Explore Patents

Title: **Innovator Toshiharu Otsuka: Pioneering Fuel Cell Technology**

Introduction

Toshiharu Otsuka is a renowned inventor based in Nakama, Japan, who has made significant contributions to the field of fuel cell technology. With a remarkable portfolio of 27 patents, Otsuka’s innovations focus on advancements that enhance the efficiency and application of fuel cells in power generation.

Latest Patents

One of Otsuka's recent patents involves a sophisticated fuel cell system designed to optimize performance. The system consists of a fuel cell, a reformer for generating hydrogen-containing gas, and several supply units for managing raw materials and oxidizing gases. Notably, the system incorporates a combustor that ignites exhaust gases from the fuel cell and features a controller that facilitates a seamless operation stop process. This thoughtful design ensures that the fuel cell system operates efficiently even during transitional phases.

Additionally, Otsuka has developed a fuel cell stack device aimed at miniaturizing fuel cell applications. The device includes a first manifold that supplies fuel gas to multiple fuel cells and a second manifold that recycles discharged fuel gas back into the system. This innovative approach eliminates the need for pipes to discharge off-gas, thereby enhancing compactness and efficiency in design.

Career Highlights

Throughout his career, Toshiharu Otsuka has been associated with prominent companies such as Toto Ltd. and Panasonic Corporation. His experiences at these organizations have bolstered his expertise in the field of fuel cells and provided a platform for his innovative ideas to flourish.

Collaborations

Otsuka has collaborated with several notable professionals, including Katsuhisa Tsuchiya and Toshiharu Ooe. These partnerships have contributed to the development of cutting-edge technologies that have transformed fuel cell applications.

Conclusion

Toshiharu Otsuka continues to be an influential figure in the realm of fuel cell innovation. His dedication to advancing fuel cell technology is evident through his extensive patent portfolio and collaborations within the industry. As the demand for clean energy solutions grows, Otsuka’s work stands at the forefront of sustainable energy 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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