Himeji, Japan

Fumio Takenaka

This inventor holds 2 USPTO granted patents. Top assignees: 501 Daicel Chemical Industries Ltd., Daicel Chemical Industries, Ltd.. Active years: 1986-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Takenaka. Retrieved from https://idiyas.com/inventor/fumio-takenaka

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 = 3.0

ph-index = 2

Forward Citations = 35(Granted Patents)


Location History:

  • Himeji, JP (1986)
  • Amagasaki, JP (1989)

Company Filing History:


Years Active: 1986-1989

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2 patents (USPTO):Explore Patents

Title: Fumio Takenaka: Innovator in Photopolymerization Technology

Introduction

Fumio Takenaka is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of photopolymerization, holding 2 patents that showcase his innovative approach to materials science. His work has implications in various industries, particularly in the development of photosensitive compositions.

Latest Patents

Takenaka's latest patents include advancements in photopolymerizable compositions. One patent describes a photosensitive hardenable composition that consists of a thermoplastic high molecular binder derived from specific addition polymerizable monomers, an acrylate or methacrylate derivative, and a photopolymerization initiator. This composition boasts improved properties in softness, stripping properties, and stripping time of the hardened layers formed. Another patent focuses on a photopolymerization initiator composed of thioxanthones and oxime esters. This initiator is effectively utilized in a photopolymerizable resin composition, which includes a photopolymerizable compound with a double bond for polymerization and a polymer binder.

Career Highlights

Throughout his career, Fumio Takenaka has worked with prominent companies such as Daicel Chemical Industries, Ltd. and 501 Daicel Chemical Industries Ltd. His experience in these organizations has allowed him to refine his expertise in photopolymerization technologies and contribute to the advancement of the field.

Collaborations

Takenaka has collaborated with notable colleagues, including Kouzi Tohya and Masanori Itoh. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Fumio Takenaka's contributions to photopolymerization technology highlight his role as an influential inventor. His patents reflect a commitment to improving material properties and advancing the field. His work continues to inspire future innovations in the industry.

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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