Etsuo Takeuchi

Title: Etsuo Takeuchi: Inventor of Ion Beam Irradiation Technology

Introduction

Etsuo Takeuchi is an inventor based in Tokyo, Japan, whose patent work addresses the design and durability of ion beam irradiation equipment. His listed portfolio includes 2 patents, including inventions concerning insulating spacers used between grids.

Latest Patents

Takeuchi’s listed patents focus on reducing wear and maintaining reliable spacing and insulation in ion beam irradiation devices.

“Ion beam irradiation apparatus and insulating spacer for the same” describes a spacer with a circumferential groove on its side. The groove is designed to make it harder for sputtered materials to adhere, helping reduce how often the spacer needs replacement while supporting consistent intervals between the apparatus’s grids.

“Iron beam irradiation device and insulating spacer for the device” describes an insulating spacer with an annular groove separating its peripheral plane portion from a raised cylindrical portion that abuts a grid. The design aims to reduce spacer replacement frequency while maintaining insulation between grids.

Career Highlights

Takeuchi’s listed work is associated with TDK Corporation. His patent descriptions demonstrate a practical focus on component longevity and stable grid arrangements in ion beam equipment.

Collaborations

Katsumi Ito and Akira Hatakeyama are identified as Takeuchi’s coworkers. The available information does not specify their roles in the listed patents.

Conclusion

Etsuo Takeuchi’s two listed patents address insulating spacer designs intended to improve the durability and operational consistency of ion beam irradiation devices.