Tokyo, Japan

Hiromasa Tominaga

This inventor holds 4 USPTO granted patents and 4 EPO patents. Top assignees: Agc Inc., Asahi Glass Company, Limited. Active years: 2007-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromasa Tominaga. Retrieved from https://idiyas.com/inventor/hiromasa-tominaga

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Tokyo, JP (2007 - 2019)
  • Chiyoda-ku, JP (2020)

Company Filing History:


Years Active: 2007-2020

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4 patents (USPTO):Explore Patents

Title: Hiromasa Tominaga: Innovator in Electro-Thermal Technology

Introduction

Hiromasa Tominaga is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of electro-thermal technology, holding a total of 4 patents. His innovative designs focus on enhancing the functionality and efficiency of electro-thermal windows.

Latest Patents

One of Tominaga's latest patents is for a plate designed for an electro-thermal window. This plate features a heatable transparent conductive film and bus bars that supply power to the film. The bus bars are strategically connected to the left and right edges of the film, which is divided into regions by a slit. The design allows for varying distances between the bus bars in different regions, optimizing the heating process.

Another significant patent involves an electrically-heated window sheet material. This sheet includes a conductive film and bus bars connected to its upper and lower sides. The design incorporates a recess and multiple regions, with specific distances between the bus bars that enhance the heating efficiency. Openings are also strategically placed to improve functionality.

Career Highlights

Throughout his career, Hiromasa Tominaga has worked with prominent companies such as AGC Inc. and Asahi Glass Company, Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in electro-thermal technology.

Collaborations

Tominaga has collaborated with talented individuals in his field, including Osamu Kagaya and Tomohiro Takahashi. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Hiromasa Tominaga is a distinguished inventor whose work in electro-thermal technology has led to several innovative patents. His contributions continue to influence the industry and pave 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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