Fujieda, Japan

Hiroshi Hayai

This inventor holds 3 USPTO granted patents. Top assignee: Sumitomo Bakelite Company Limited. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Hayai. Retrieved from https://idiyas.com/inventor/hiroshi-hayai

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 = 1.8

ph-index = 3

Forward Citations = 44(Granted Patents)


Company Filing History:


Years Active: 1998

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3 patents (USPTO):Explore Patents

Title: **Hiroshi Hayai: Leading Innovator in Photosensitive Adhesive Technology**

Introduction

Hiroshi Hayai is a renowned inventor based in Fujieda, Japan. With a remarkable portfolio that includes three patents, Hayai has made significant contributions to the field of additive plating and multilayer printed circuit board technology. His work has advanced the capabilities of electronic manufacturing, promoting innovation in various applications.

Latest Patents

Hiroshi Hayai's latest patents provide insight into his innovative approach and technical expertise. One of his notable inventions is the **photosensitive adhesive composition for additive plating**. This invention includes essential components (a), (b), (c), (d), (e), and (f) that culminate in a robust adhesive capable of enhancing the performance of multilayer printed circuit boards. Additionally, he holds a patent for a **multilayer printed circuit board and the process for producing and using it**. This process involves several steps, including impregnating a thermosetting resin in a base material to create a prepreg, applying a thermosetting epoxy resin undercoating agent, and subjecting the assembly to laminating press, thereby elevating the production quality of circuit boards.

Career Highlights

Hiroshi Hayai is currently employed at Sumitomo Bakelite Company Limited, where he continues to innovate and lead projects. His career is marked by a commitment to enhancing electronic materials and processes, thereby directly impacting the efficiency and functionality of modern technology.

Collaborations

Throughout his career, Hayai has partnered with several talented professionals, including Takeshi Hosomi and Takayuki Baba. Collaborations such as these often lead to groundbreaking advancements in technology, emphasizing teamwork in the innovation process.

Conclusion

Hiroshi Hayai's work exemplifies the intersection of creativity and technical knowledge within the realm of inventions. With his patents contributing significantly to the electronics industry, he remains a pivotal figure in advancing technologies that shape our world. His dedication to innovation ensures that he will continue to inspire future generations of inventors and engineers.

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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