Location History:
- Takatsuki, JP (1991)
- Ibaraki, JP (1996 - 2000)
- Tsukuba, JP (1992 - 2006)
- Ehime, JP (2011 - 2012)
- Niihama, JP (2013 - 2014)
Company Filing History:
Years Active: 1991-2014
Title: **Shinji Fujiwara: Innovator in Sapphire Crystal Production**
Introduction
Shinji Fujiwara, based in Tsukuba, Japan, is a prominent inventor known for his contributions to the field of materials science, particularly in the production of sapphire single crystals. With a remarkable portfolio of 12 patents, Fujiwara has made significant strides in advancing the technology and methods used in sapphire production.
Latest Patents
Among his latest patents, one focuses on an α alumina sintered body for the production of sapphire single crystals. This invention details a method characterized by a relative density of 60% or more, a closed porosity of 10% or less, and a purity of 99.99% by mass or more. The innovative approach involves mixing 100 parts by weight of α alumina with a specified range of α alumina precursor to achieve the desired properties. Another notable patent of his provides α alumina specifically designed for high production efficiency in sapphire single crystal manufacturing, incorporating both types of α alumina with defined physical properties for optimal results.
Career Highlights
Shinji Fujiwara is associated with Sumitomo Chemical Company, Limited, where his research and innovations have contributed significantly to the company's advancements in materials technology. His expertise in refining the properties of materials for industrial applications has established him as a key figure in his field.
Collaborations
Throughout his career, Fujiwara has collaborated with notable colleagues such as Kunio Saegusa and Kenji Saita. These partnerships have fostered an environment of innovation that facilitates the development of cutting-edge technologies in the realm of sapphire crystal production.
Conclusion
Shinji Fujiwara's work has had a lasting impact on the field of materials science, particularly in sapphire crystal technology. Through his innovative patents and collaborations, he continues to push the boundaries of what is possible in this specialized industry, solidifying his reputation as a leading inventor.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.