This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignees: Koha Co., Ltd., Tamura Corporation. Active years: 2020.
Company Filing History:
1 out of 37 
1 out of 195 
Years Active: 2020
Title: Inventor Profile: Kei Doioka
Introduction
Kei Doioka, an innovative inventor based in Tokyo, Japan, is recognized for his contribution to the field of material science. With a keen focus on developing advanced crystal growth methods, Doioka has made significant strides in cultivating high-quality materials that have potential applications in various technological sectors.
Latest Patents
Doioka holds a patent for a method of growing β-GaO-based single crystals. This innovative technique allows for the production of single crystals with minimal variations in crystal structure, enhancing quality in the b axis direction. In the patent, he details a process for growing a plate-shaped Sn-doped β-GaO-based single crystal utilizing a seed crystal, establishing a foundation for further research and development in this area.
Career Highlights
Throughout his career, Doioka has been associated with notable companies, including Koha Co., Ltd. and Tamura Corporation. His experiences in these organizations have contributed to his expertise in material development and crystal growth, enabling him to achieve significant advancements in his field.
Collaborations
Kei Doioka has collaborated with esteemed colleagues, such as Shinya Watanabe and Kazuyuki Iizuka. Working alongside these talented individuals, Doioka has enhanced his research capabilities, further driving innovation within his projects and expanding the potential of his patented technologies.
Conclusion
Kei Doioka's work in the field of crystal growth exemplifies the impact of innovation on material science. With his unique patent and collaborations with industry professionals, Doioka continues to push the boundaries of technology, making valuable contributions to the scientific community.