Tokyo, Japan

Eiichi Masuhara

This inventor holds 27 USPTO granted patents and 1 EPO patent, primarily in Dental Materials. Top assignees: Japan Institute of Advanced Dentistry, Kuraray Co., Ltd., Hoya Lens Corporation. Active years: 1976-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiichi Masuhara. Retrieved from https://idiyas.com/inventor/eiichi-masuhara

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


% Patents Active = 96.3


Average Co-Inventor Count = 3.8

ph-index = 15

Forward Citations = 627(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Bunkyo-Ward, JP (1981)
  • Bunkyo, JP (1983)
  • Bunkyo-ku, Tokyo, JP (1984 - 1986)
  • Bunkyo-ku, JP (1997)
  • Tokyo, JP (1979 - 2002)
  • Tokyo-to, JP (2005)
  • Chiyoda-ku, JP (2010)

Company Filing History:


Years Active: 1976-2010

Loading Chart...
Loading Chart...
Areas of Expertise:
Dental Polymerizable Composition
Photopolymerizable Adhesive
Orthodontic Bracket
Light Curing Resins
Composite Filler
Soft Contact Lens
Dental Composition
Desensitizing Dentin
Adhesive Cementing Agents
Denture Base Lining
Pharmaceutical Composition
Photosetting Resin
27 patents (USPTO):Explore Patents

Title: Innovations of Eiichi Masuhara in Dental Technology

Introduction: Eiichi Masuhara, a prolific inventor based in Tokyo, Japan, holds an impressive portfolio of 27 patents. His contributions primarily focus on advancements in dental materials and compositions, reflecting his commitment to enhancing dental care and procedures.

Latest Patents: Among Eiichi Masuhara's latest innovations are groundbreaking patents that include a dental polymerizable composition and a dental and orologic composition. The dental polymerizable composition features a unique blend of a fluorine compound with hydrophilic and fluoroalkyl groups, alongside polymerizable monomers and initiators. This composition proves invaluable in various dental applications, serving as a base for composite resins, adhesive agents, and other dental materials. The dental and orologic composition incorporates photocatalytic titanium oxide, offering promising properties for oral care, further expanding the scope of his inventive work.

Career Highlights: Masuhara's career is marked by his associations with prominent organizations, such as the Japan Institute of Advanced Dentistry and Kuraray Co., Ltd. Through his roles in these institutions, he has significantly contributed to the development of innovative dental products that have enhanced patient care and treatment effectiveness.

Collaborations: Throughout his career, Eiichi Masuhara has collaborated with esteemed professionals in the field, including Shigeo Komiya and Junichi Yamauchi. These partnerships have fostered an environment of technological advancement and showcased his ability to work effectively with others to push the boundaries of dental innovation.

Conclusion: Through his extensive work and innovative patents, Eiichi Masuhara stands out as a key figure in the dental industry. His continuous efforts to develop advanced materials and compositions demonstrate his dedication to improving dental practices and enhancing the overall quality of oral health care.

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]
Loading…