Isehara, Japan

Masahiro Hashiba

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Japan Styrene Paper Corporation. Active years: 1987-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Hashiba. Retrieved from https://idiyas.com/inventor/masahiro-hashiba

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Utsunomiya, JP (1987)
  • Isehara, JP (1990)

Company Filing History:


Years Active: 1987-1990

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2 patents (USPTO):Explore Patents

Title: Masahiro Hashiba: Innovator in Polyethylene Technology

Introduction

Masahiro Hashiba is a notable inventor based in Isehara, Japan. He has made significant contributions to the field of polyethylene technology, holding a total of 2 patents. His work focuses on the development of pre-foamed particles of uncrosslinked, linear low-density polyethylene, which have important applications in various industries.

Latest Patents

Hashiba's latest patents include innovative processes for producing pre-foamed particles of polyethylene. One of his patents describes pre-formed particles of uncrosslinked, linear low-density polyethylene characterized by a crystalline structure. This structure is defined by the presence of two endothermic peaks on a DSC curve obtained through differential scanning calorimetry. The energy at the endothermic peak on the higher-temperature side is noted to be 5 J/g or more. Another patent focuses on pre-foamed particles formed from a polyethylene resin, which is derived from crosslinking a linear super-low density polyethylene with specific density and melt flow rate parameters.

Career Highlights

Masahiro Hashiba is associated with Japan Styrene Paper Corporation, where he has been instrumental in advancing polyethylene technologies. His expertise in the field has led to the development of innovative materials that enhance product performance and sustainability.

Collaborations

Throughout his career, Hashiba has collaborated with notable colleagues, including Hideki Kuwabara and Masato Naito. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masahiro Hashiba's contributions to polyethylene technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in material science and engineering.

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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