Tomohiro Haga

Title: Tomohiro Haga: Innovator in Hydrodynamic Bearing Technology

Introduction

Tomohiro Haga is a prominent inventor based in Ozu, Japan. He has made significant contributions to the field of hydrodynamic bearing devices, holding a total of 5 patents. His work focuses on improving the reliability and efficiency of spindle motors through innovative designs.

Latest Patents

Haga's latest patents include a hydrodynamic bearing device designed to enhance reliability by stabilizing the balance of dynamic pressures at the thrust bearing portion. This device features a shaft, a sleeve, first and second thrust flanges, and thrust dynamic pressure generating grooves. The grooves are uniquely designed to connect without isolation, with depth increasing from the inner to the outer periphery. Another notable patent involves a hydrodynamic bearing device that improves the workability of injecting a lube repellant while effectively preventing lubricant leakage. This invention includes a method for manufacturing the device, a spindle motor, and a recording and reproduction apparatus.

Career Highlights

Throughout his career, Haga has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise in developing advanced bearing technologies.

Collaborations

Haga has collaborated with esteemed colleagues, including Junichi Nakamura and Naoshi Kainoh. Their combined efforts have furthered the advancements in hydrodynamic bearing technology.

Conclusion

Tomohiro Haga's innovative work in hydrodynamic bearing devices showcases his commitment to enhancing technology in the field. His patents reflect a deep understanding of engineering principles and a dedication to improving product reliability.