Inventor

NAGAYASU KOICHI

JP18 patents

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

NAGAYASU KOICHI

KONISHIROKU PHOTO IND

Polarizing plate protective cellulose triacetate film

Cellulose ester film, production method of the same, film employed in liquid crystal display member, and polarizing plate

Protective film for polarizing plate and polarizing plate

Protective film for polarizing plate

Protective film of polarizing plate

ID card

Light-sensitive silver halide photographic element with electron beam cured interlayer

Protective film of polarizing plate and polarizing plate

Silver halide photographic light-sensitive material

Method of producing support for photographic paper

Electrophotographic plate containing quaternary ammonium salt polymer interlayer

Process for antistatic treatment of light-sensitive silver halide photographic material

Light-sensitive photographic material

Light-sensitive photographic materials with improved antistatic layers

Information recording medium comprising a silver nalide light sensitive layer, and two superposed magnetic layers which differ in coercivity

Photographic films

Photographic films

KONICA CORP

Cellulose ester film, production method of the same, film employed in liquid crystal display member, and polarizing plate