Inventor

TOMITA YOSHIFUMI

44 patents

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

TOMITA YOSHIFUMI

HITACHI LTD

Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix

Liquid crystal display device with wide viewing angle characteristics comprising high resistivity black matrix

Ultrafine particle film, process for producing the same, transparent plate and image display plate

Pattern forming method and pattern forming apparatus using exposures in a liquid

System for measuring foreign materials in liquid

Color liquid crystal display device composed of color filter with a layer of three primary color array patterns fabricated by thermal dye transfer technology

Process for forming patternwise coated powder layer

Liquid crystal display device

Method for forming an anti-reflection film of a cathode-ray tube, an apparatus used for carrying out the method and a cathode-ray tube having the anti-reflection film

Method of manufacturing cathode-ray tube

Method for forming fluorescent screen of color cathode ray tubes using filter layer

Fluorescent screens of color picture tubes and manufacturing method therefor

Face plate for display

Process of forming powder pattern using positive diazonium salt photoresist

Method of manufacturing striped phosphor screen for black matrix type color picture tube

Color cathode ray tube with reflective layers having apices centered between matrix windows

Photo-sensitive bis-azide containing composition

Method for forming and anti-reflection film of a cathode-ray tube, an apparatus used for carrying out the method and a cathode-ray tube having the anti-reflection film

Method of forming phosphor pattern on fluorescent screen for color picture tubes with polymer coagulent

Process of forming photoresist layer on a glass substrate

Formation of pattern using acrylamide-diacetoneacrylamide copolymer

Process for forming phosphor screens with treated phosphors

Method of forming a fluorescent screen for a color picture tube

Curved tube type ultra high pressure mercury arc discharge lamp device

Method of manufacturing fluorescent screens of cathode ray tubes

Process of improving optical contact of patternwise powdery coating layer and phosphor screen provided therefore

Method of manufacturing fluorescent screens of color picture tubes

Method of forming cathode-ray tube phosphor screen

Photosensitive composition

Photoresist composition

Method of forming fluorescent screens of color picture tubes

Process for treating surfaces of a perforated mask

System for measuring foreign materials in liquid

Photosensitive composition and pattern forming process using same

Method of forming fluorescent screens of color picture tubes

Index type color picture tube

FUJI HEAVY IND LTD

Front bumper for an automobile

Automobile front grille

Passenger car

Passenger car

Passenger car

SUBARU CORP

Passenger car

Passenger car

HITACHI POWDERED METALS

Cathode-ray tubes and coating materials therefor