This inventor holds 6 USPTO granted patents. Top assignees: Ensuiko Sugar Refining Co., Ltd., Director of National Food Research Institute, Minstry of Agriculture,, Ensuiko Sugar Regining Co., Ltd.. Active years: 1987-2003.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kamakura, JP (1987 - 1992)
- Miyagi-ken, JP (2000 - 2003)
Company Filing History:
2 out of 29 
1 out of 1 
1 out of 1 Years Active: 1987-2003
Title: Innovations in Diamond Polishing by Hitoshi Hashimoto
Introduction
Hitoshi Hashimoto is a notable inventor based in Kamakura, Japan, recognized for his contributions to the field of diamond polishing technology. With a total of six patents to his name, Hashimoto has developed innovative tools and methods that enhance the quality and efficiency of diamond polishing processes.
Latest Patents
Among his latest patents are a grinding and polishing tool for diamonds, a method for polishing diamonds, and polished diamonds, including single crystal diamonds and single diamond compacts obtained through his techniques. His inventions allow for the polishing of single crystal diamonds, diamond thin films, and sintered diamond compacts at low temperatures, preventing cracks, fractures, or degradation in quality. The tools and methods he developed facilitate an easy polishing operation, ensuring stable polishing quality while reducing costs and maintaining consistent grinder performance. The grinder is composed of an intermetallic compound made from various elements, including aluminum, chromium, manganese, iron, cobalt, nickel, copper, and precious metals, combined with elements like titanium, vanadium, zirconium, niobium, molybdenum, hafnium, tantalum, and tungsten. The diamond polishing method involves pushing the grinder against the diamond and rotating or moving it while keeping the diamond at room temperature or heating it to a temperature range of 100-800°C.
Career Highlights
Throughout his career, Hitoshi Hashimoto has worked with various companies, including Ensuiko Sugar Refining Co., Ltd. His expertise in diamond polishing technology has made significant impacts in the industry, showcasing his innovative spirit and dedication to advancing polishing techniques.
Collaborations
Hashimoto has collaborated with notable individuals in his field, including Kozo Hara and Toshihiko Abe. Their combined efforts have contributed to the development of advanced diamond polishing technologies.
Conclusion
Hitoshi Hashimoto's innovative work in diamond polishing has led to significant advancements in the industry, making him a prominent figure in the field. His patents reflect a commitment to improving the quality and efficiency of diamond processing, showcasing the importance of innovation in technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile