Inventor

KOJIMA TOSHIFUMI

JP18 patents

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

KOJIMA TOSHIFUMI

NGK SPARK PLUG CO

Wiring circuit board and method for producing same

Wiring board

Embedding resin and wiring substrate using the same

Embedding resin, wiring substrate using same and process for producing wiring substrate using same

Wiring board and method for fabricating the same

Optical module, optical module substrate and optical coupling structure

Multilayer wiring board

Paste for through-hole filling and printed wiring board using the same

Optical module, optical module substrate and optical coupling structure

Substrate assembly for supporting optical component and method of producing the same

Wiring substrate using embedding resin

Embedding resin

Filling material, multilayer wiring board, and process of producing multilayer wiring board

NIPPON KOKAN KK

Method of liquid phase diffusion bonding of metal bodies

Method for eliminating residual magnetism in pipe-blank for welded steel pipe longitudinally seam-welded from inside

Preventing magnetization of pipe blank in GMA welding

Method for longitudinally seam-welding pipe-blank for welded steel pipe from the inside along a groove

NOR SPARK PLUG CO LTD

Optical device mounted substrate assembly