Nagano, Japan

Masaaki Miyahara

This inventor holds 4 USPTO granted patents. Top assignees: Nissei Jushi Kogyo Kabushiki Kaisha, Nissei Plastic Industrial Co., Ltd.. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Miyahara. Retrieved from https://idiyas.com/inventor/masaaki-miyahara

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 = 3.1

ph-index = 4

Forward Citations = 51(Granted Patents)


Location History:

  • Ueda, JP (1986)
  • Sakaki, JP (1989)
  • Nagano, JP (1993 - 1996)

Company Filing History:


Years Active: 1986-1996

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4 patents (USPTO):Explore Patents

Title: Masaaki Miyahara: Innovator in Injection Molding Technology

Introduction: Masaaki Miyahara, an accomplished inventor based in Nagano, Japan, has made significant contributions to the field of injection molding technology. With a portfolio of four patents, his innovations have advanced the capabilities and efficiency of injection molding processes.

Latest Patents: Among Masaaki Miyahara's notable patents is the design of a C-type frame for die tightening units mounted for an injection molding machine. This innovation utilizes a casting process to create a main frame that consists of integrated side frames, upper frames, and a front frame, resulting in a lightweight and compact structure. Additionally, he developed a controller of injection molding machines that enhances the synchronization and operation of multiple injection apparatuses, ensuring precise feedback control of the molding parameters.

Career Highlights: Throughout his career, Masaaki has worked with prominent companies such as Nissei Jushi Kogyo Kabushiki Kaisha and Nissei Plastic Industrial Co., Ltd. His experiences in these organizations have allowed him to develop and refine his technical skills in the injection molding sector.

Collaborations: Masaaki has collaborated with esteemed colleagues such as Nobuyuki Nakamura and Yoshiharu Shima. Together, they have contributed to various projects, fostering an environment of innovation and technical advancement within the industry.

Conclusion: Masaaki Miyahara's dedication to innovation in injection molding technology is evident through his patents and collaborations. His work not only reflects his expertise but also provides valuable contributions to the manufacturing industry, paving the way for future advancements in injection molding techniques.

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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