Kitakyushu, Japan

Hiroshi Yanai

This inventor holds 1 USPTO granted patent. Top assignees: Chiyoda Corporation, Nippon Steel Chemical Co., Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yanai. Retrieved from https://idiyas.com/inventor/hiroshi-yanai-7dy2lzcu

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 15.0

ph-index = 1


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Hiroshi Yanai: Innovator in Bisphenol A Production

Introduction

Hiroshi Yanai is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of bisphenol A. His innovative processes have enhanced the efficiency and quality of this important chemical compound.

Latest Patents

Hiroshi Yanai holds a patent for a process for preparing prilled bisphenol A. This invention involves a granulation method that adds compounds soluble in molten bisphenol A, which do not adversely affect the melt color. The process also includes the use of reaction mother liquor or crystallization mother liquor produced during the manufacturing of bisphenol A. The resulting prilled bisphenol A exhibits high strength and resistance to powdering, making it a valuable product in various applications. He has 1 patent to his name.

Career Highlights

Throughout his career, Hiroshi Yanai has worked with prominent companies in the chemical industry. He has been associated with Nippon Steel Chemical Co., Ltd. and Chiyoda Corporation, where he contributed to advancements in chemical processes and product development.

Collaborations

Hiroshi Yanai has collaborated with esteemed colleagues such as Tadayoshi Matsuo and Masanori Nagase. Their combined expertise has furthered research and innovation in the field of bisphenol A production.

Conclusion

Hiroshi Yanai's contributions to the chemical industry, particularly through his patented processes for bisphenol A, highlight his role as an influential inventor. His work continues to impact the production of essential chemical compounds, showcasing the importance of innovation in this 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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