Masami Fujii

Title: Masami Fujii: Polycrystalline Silicon Processing Inventions.

Introduction

Masami Fujii is an inventor associated with Yamaguchi, Japan, and Tokuyama Corporation. Fujii’s patent work focuses on processing polycrystalline silicon blocks and controlling the powder content of the resulting fragments. The supplied information lists 2 patents.

Latest Patents

Fujii’s latest listed patent, “Method for Manufacturing Polycrystalline Silicon Fragment and Polycrystalline Silicon Block Fracture Device,” describes equipment that mechanically fractures a polycrystalline silicon block and separates some fine powder from the falling fragments. The device uses suction to remove powder particles measuring 500 to 1,000 micrometers, with a stated suction rate of 1 to 20 meters per minute.

Another listed patent, “Polycrystalline Silicon Fragment, Method for Manufacturing Polycrystalline Silicon Fragment, and Polycrystalline Silicon Block Fracture Device,” concerns fragments produced by fracturing polycrystalline silicon blocks. It specifies a content ratio of 0.1 to 40 parts per million by weight for powder particles measuring 500 to 1,000 micrometers.

Career Highlights

Fujii’s listed inventions address both the composition of polycrystalline silicon fragments and the equipment used to produce them. Together, these patent topics reflect an emphasis on managing fine-powder content during silicon block fracture and fragment manufacturing.

Collaborations

Fujii is associated with Tokuyama Corporation. The supplied information also names Manabu Kondo and Nobuaki Yoshimatsu as coworkers.

Conclusion

Masami Fujii’s listed patent work centers on polycrystalline silicon fragment production, including methods for controlling fine-powder content and devices for fracturing silicon blocks.