Inventor

ECHIGO FUMIO

JP32 patents

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

ECHIGO FUMIO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Printed circuit board and method for producing the same

Circuit board and production of the same

Printed circuit board and method for producing the same

Method for manufacturing a circuit board

Printed circuit board and method of manufacturing the same

Circuit board having an interstitial inner via hole structure

Method of producing a circuit board

Circuit board and method for manufacturing the same

Prepreg and circuit board and method for manufacturing the same

Multilayer circuit board and method for manufacturing the same

Multilayer circuit board and method for manufacturing the same

Capacitor sheet, method for producing the same, board with built-in capacitors, and semiconductor device

Capacitor sheet with built in capacitors

Resin board, manufacturing process for resin board, connection medium body, circuit board and manufacturing process for circuit board

Removable film, a substrate with film, a process for forming the removable film and a process for the manufacturing of the circuit board

Circuit board and its manufacture method

Removable film, a substrate with film, a process for forming the removable film and a process for the manufacturing of the circuit board

Magnetic recording medium

Process for manufacturing a circuit board

Circuit board and method for manufacturing the same

Method of manufacturing a double-sided circuit board

Method for manufacturing printed circuit board

Mask film having a non-parting portion

Method of manufacturing circuit board

Magnetic recording medium

Magnetic recording medium having improved electromagnetic conversion characteristics and durability

Mask film, its manufacturing method, and manufacturing method of circuit board using the same

Resin board, manufacturing process for resin board, connection medium body, circuit board and manufacturing process for circuit board

NAKAMURA TADASHI

Solid printed circuit board and method of manufacturing the same

Multilayer printed wiring board and mounting body using the same

Multilayer wiring board and its manufacturing method

PANASONIC CORP

Multilayer printed wiring board and manufacturing method thereof