Itami, Japan

Michimasa Miyanaga

This inventor holds 33 USPTO granted patents and 10 published patent applications and 14 EPO patents, primarily in Nitride Semiconductor Technology. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1999-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michimasa Miyanaga. Retrieved from https://idiyas.com/inventor/michimasa-miyanaga

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

USPTO Granted Patents = 33 

% Patents Active = 27.3

 

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 391(Granted Patents)


Location History:

  • Hyogo, JP (2000)
  • Itami, JP (1999 - 2015)
  • Osaka, JP (2012 - 2016)

Company Filing History:


Years Active: 1999-2016

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Areas of Expertise:
Nitride Semiconductor
III-Nitride Crystal
Aluminum Nitride
Crystal Growth
Composite Material
Manufacturing Method
Sintered Body
Porous Ceramics
Wavelength Converter
Thermal Conductivity
Semiconductor Device
Continuous Casting
33 patents (USPTO):Explore Patents

Title: Michimasa Miyanaga – A Pioneer in Continuous Casting Innovations

Introduction

Michimasa Miyanaga, a prolific inventor based in Itami, Japan, has made significant advancements in the field of continuous casting. With a remarkable portfolio of 33 patents, Miyanaga's work focuses on enhancing the quality and efficiency of cast materials, particularly in relation to magnesium alloys.

Latest Patents

Miyanaga's latest patents showcase his innovative contributions to composite materials and continuous casting technologies. One notable patent describes a composite material suitable for forming parts involved in continuous casting, designed to produce cast materials with excellent surface quality over extended periods. This innovation incorporates a porous body with numerous pores and a filler—selected from nitrides, carbides, or carbon—ensuring that molten metal does not flow into gaps between the nozzle and moving mold.

Another key patent pertains to coil material and its manufacturing method, aimed at improving productivity in high-strength magnesium alloy sheets. This technique involves coiling sheet materials, which are cast from a magnesium alloy and have a thickness of 7 mm or less, with careful temperature control to minimize surface strain during the process.

Career Highlights

Miyanaga's career is marked by his pivotal role at Sumitomo Electric Industries, Limited, where he has applied his expertise to pioneer developments in casting technologies. His dedication to research and innovation has made him a key figure in advancing techniques that contribute to the manufacturing of superior quality materials.

Collaborations

Throughout his career, Miyanaga has collaborated with esteemed colleagues such as Hideaki Nakahata and Naho Mizuhara. These collaborations have enriched his research and led to groundbreaking advancements in continuous casting methods and materials.

Conclusion

In summary, Michimasa Miyanaga stands out as an influential inventor whose innovations have significantly impacted the continuous casting industry. His commitment to developing advanced materials and methods not only enhances the quality of cast products but also pushes the boundaries of manufacturing efficiency. Miyanaga's legacy is marked by his continued pursuit of excellence in invention and technology, inspiring future generations in the field.

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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