Takatsuki, Japan

Hiroshi Yoshihara

This inventor holds 5 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1978-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Yoshihara. Retrieved from https://idiyas.com/inventor/hiroshi-yoshihara-nrqbvqb8

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 = 3.6

ph-index = 2

Forward Citations = 18(Granted Patents)


Location History:

  • Takatsuki, JA (1978)
  • Osaku, JP (1985)
  • Takatsuki, JP (1984 - 1986)
  • Oita, JP (1995)

Company Filing History:


Years Active: 1978-1995

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5 patents (USPTO):Explore Patents

Title: Hiroshi Yoshihara: Innovator in Chemical Synthesis

Introduction

Hiroshi Yoshihara is a prominent inventor based in Takatsuki, Japan. He has made significant contributions to the field of chemical synthesis, holding a total of 5 patents. His work focuses on innovative processes that enhance the efficiency and effectiveness of chemical reactions.

Latest Patents

Yoshihara's latest patents include a process for producing 5-amino-3-methylpyrazole and an asymmetric synthesis of cyclopropanecarboxylate derivatives using chiral methods. One of his notable inventions involves a chiral copper complex produced by the reaction of a chiral copper complex of a specific formula, which incorporates various alkyl and aralkyl groups.

Career Highlights

Hiroshi Yoshihara has built a successful career at Sumitomo Chemical Company, Limited. His innovative approaches to chemical synthesis have positioned him as a key figure in the industry. His patents reflect his commitment to advancing chemical processes and improving product outcomes.

Collaborations

Yoshihara has collaborated with esteemed colleagues such as Tadatoshi Aratani and Gohfu Susukamo. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the quality of their research.

Conclusion

Hiroshi Yoshihara's contributions to chemical synthesis through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to inspire advancements in chemical processes and innovation.

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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