Tohru Ishiguro

Title: Tohru Ishiguro: Innovator in Nitride Single Crystal Production

Introduction

Tohru Ishiguro is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of materials science, particularly in the production of nitride single crystals. With a total of four patents to his name, Ishiguro's work has implications for various industrial applications.

Latest Patents

Ishiguro's latest patents focus on methods for producing nitride single crystals using innovative techniques. One of his key inventions is a method for efficiently growing a nitride single crystal even under low pressure conditions. This method involves growing a nitride crystal on the surface of a seed crystal with a hexagonal crystal structure. The process is conducted in a reaction vessel where the pressure is set between 5 to 200 MPa, utilizing a nitrogen-containing solvent and a mineralizer containing a fluorine atom. The control of the nitrogen-containing solvent is crucial, as it must be maintained in either a supercritical or subcritical state to achieve optimal results.

Career Highlights

Throughout his career, Tohru Ishiguro has worked with prominent companies such as The Japan Steel Works, Ltd. and Mitsubishi Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and crystal growth techniques.

Collaborations

Ishiguro has collaborated with esteemed colleagues, including Quanxi Bao and Chiaki Yokoyama. These partnerships have contributed to the advancement of his research and the development of innovative solutions in the field.

Conclusion

Tohru Ishiguro's contributions to the production of nitride single crystals highlight his innovative spirit and dedication to advancing materials science. His patents and collaborations reflect a commitment to efficiency and excellence in his field.