Kiyonobu Ohtani

Title: Kiyonobu Ohtani: Innovator in Laser Processing Technology

Introduction

Kiyonobu Ohtani is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of laser processing technology, particularly in the method of boring rock materials. His innovative approach has the potential to revolutionize how materials are processed in various industries.

Latest Patents

Ohtani holds a patent for a "Method of processing rock with laser and apparatus for the same." The objective of this invention is to provide a method capable of boring a borehole even when quartz glass or silicon dioxide is deposited as molten dross by laser irradiation. The method involves irradiating a workpiece with a laser having a wavelength of 1.2 μm or longer, such as a CO2 laser, which has a high absorption factor into liquid. By generating high pressure from an advancing microbubble flow in the liquid, molten dross is effectively scattered, allowing for efficient rock processing.

Career Highlights

Throughout his career, Ohtani has worked with prominent organizations, including Japan Drilling Co., Ltd. and Tohoku University. His experience in these institutions has allowed him to refine his skills and contribute to advancements in drilling and laser technology.

Collaborations

Ohtani has collaborated with esteemed colleagues such as Toshio Kobayashi and Kazuyoshi Takayama. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kiyonobu Ohtani's work in laser processing technology exemplifies the impact of innovative thinking in engineering. His contributions continue to influence the field and pave the way for future advancements in material processing.