Inventor

YONEZAWA YOSHIHISA

JP22 patents

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

YONEZAWA YOSHIHISA

FUTABA DENSHI KOGYO KK

Electron tube with a ring-less getter

Electron tube and method of manufacturing the same

Phosphorescent material

Filament for fluorescent display device

Phosphor heat-transfer method and apparatus therefor

Low-velocity electron excited phosphor and method for producing same

Powder agitator

Fluorescent luminous tube

Fluorescent display device

Electron device with ring-less getter, method for affixing ring-less getter, and method for activating the same

Electron tube and a method for manufacturing same

Fluorescent luminous tube with getter mirror film

Display device using filament

Composition for forming fluorescent film for display and method of forming fluorescent film for display

Fluorescent luminous tube and method for producing same

Electron tube with stepped fixing portion

Electron tube having linear members

Electron tube having linear damper

Electron tube and method for producing the same

FUTUBA CORP

Fluorescent luminous tube having specific support structure for wire shaped member

KUKIMOTO HIROSHI

Phosphor and method for preparing same

TANAKA SATOSHI

Water-trapping agent and organoelectronic device comprising the same