This inventor holds 6 USPTO granted patents and 6 published patent applications, plus 1 CIPO patent and 2 EPO patents. Top assignee: Gc Corporation. Active years: 2017-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2017-2023
Title: **Masatoshi Yoshinaga: Innovator in Dental Materials**
Introduction
Masatoshi Yoshinaga is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of dental materials, holding 6 patents that showcase his expertise and innovative spirit. His work primarily focuses on the development of advanced dental gypsum products, improving the efficiency and quality of dental procedures.
Latest Patents
Among his latest inventions, Yoshinaga has developed a dental gypsum powder that combines hemihydrate gypsum with a precise formulation of a water-reducing agent. This dental gypsum powder features a mass ratio of the water-reducing agent to hemihydrate gypsum between 0.1 to 1%. Notably, it optimizes particle sizes as follows: 15 to 35 volume% of particles have a diameter of 10 µm or less, 40 to 55 volume% of particles measure 20 µm or less, and 55 to 75 volume% of particles are 30 µm or less.
Additionally, he has created a dental gypsum slurry that includes water and a dental gypsum powder comprising hemihydrate gypsum and a polycarboxylic acid salt-based water-reducing agent. The slurry maintains a powder-water ratio of 0.24 to 0.50, ensuring excellent consistency when mixed. A highlight of this invention is demonstrated when the mixture is poured into a cylindrical mold and expands to at least 141.4 mm in diameter, showcasing its superior spreadability.
Career Highlights
Masatoshi Yoshinaga is associated with Gc Corporation, a company recognized for its dedication to enhancing dental and oral health products. His inventions have paved the way for advancements that benefit dental professionals and patients alike, addressing practical challenges in the field of dental materials.
Collaborations
Throughout his career, Yoshinaga has worked alongside talented colleagues, including Go Mashio and Tatsuya Fujimoto. Their collaborative efforts have further enhanced the innovation and efficacy of their dental product developments.
Conclusion
Masatoshi Yoshinaga's contributions to dental material innovation exemplify the impact of dedicated inventors in shaping the future of healthcare. With a robust portfolio of patents and a commitment to improving dental products, he continues to be a leading figure in his field, inspiring future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile