Inventor

IGARASHI TETSUYA

JP20 patents

⚠️ This page may combine multiple inventors who share the name “IGARASHI TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IGARASHI TETSUYA

POWDERTECH CO LTD

Spherical ferrite particles in nano-size and method of manufacturing same

Ferrite particles, resin composition and resin film

Ni—Zn—Cu ferrite particle, resin composition, and resin molding

Ferrite powder, resin composition, and molded article

Ferrite powder, resin composition, electromagnetic shielding material, electronic circuit substrate, electronic circuit component, and electronic device housing

Mn—Zn ferrite particles, resin molded body, soft magnetic mixed powder, and magnetic core

Ferrite particles, resin compositions and electromagnetic wave shielding material

Carrier core material for electrophotographic developer, carrier and electrophotographic developer using the carrier

Mn ferrite powder, resin composition, electromagnetic wave shielding material, electronic material, and electronic component

Spherical ferrite powder, resin compound including spherical ferrite powder, and molded product made of resin compound

SHINETSU HANDOTAI KK

Production method for silicon wafer and silicon wafer

Silicon single crystal and wafer doped with gallium and method for producing them

Method for producing a silicon single crystal and the silicon single crystal produced thereby

Silicon germanium crystal

Apparatus and method for producing silicon semiconductor single crystal

MATSUURA MACHINERY CORP

Cutting tool

Cutting method for inner circumferential face or outer circumferential face of work

Cutting method for inner circumferential face or outer circumferential face of work

SHINETSU QUARTZ PROD

Quartz glass crucible for pulling silicon single crystal and production process for such crucible

SUGIURA TAKAO

Resin-coated carrier for electrophotographic developer and electrophotographic developer using the resin-coated carrier