Inventor

HATANAKA HIDEO

25 patents

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

HATANAKA HIDEO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Method for producing printed wiring boards

Multi-layered circuit board and method of manufacturing the same

Stress relaxation electronic part, stress relaxation wiring board, and stress relaxation electronic part mounted body

Substrate for printed circuit board

Wiring board and a process of producing a wiring board

Method of Manufacturing a multi-layer circuit board

Printed wiring board

Tape-shaped magnetic medium comprising hexagonal ferrite particles having a crystal structure which includes magnetoplumbite and spinel crystal structures

Method for producing printed wiring boards

Hygroscopic resin and humidity sensor using the same

Magnetic recording medium

Nonwoven fabric cloth substrate for printed wiring boards, and prepreg using the same

Nonwoven fabric cloth substrate for printed wiring boards, and prepreg using the same

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium having improved electromagnetic conversion characteristics and durability

Magnetic recording medium

Magnetic recording medium

CITIZEN WATCH CO LTD

Electrical connection construction for electronic timepiece

External operation device for electronic timepieces

Electrical connection construction for electronic timepiece

Electronic timepiece assembly

Acoustic alarm device for watches

Acoustic alarm device for watches

Acoustic alarm device for watches