Inventor

NAGATA MASAYOSHI

JP31 patents

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

NAGATA MASAYOSHI

FUJI PHOTO FILM CO LTD

Method of making a semiconductor device utilizing a light-sensitive etching agent

Function separated type electrophotographic light-sensitive members and process for production thereof

Collapsible container for a liquid

Electrophotographic photoreceptor with hydrazone

Electrophotographic photoreceptor

Electrophotographic light-sensitive printing materials

Electrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting material

Organic electrophotographic sensitive materials

Electrophotographic sensitive materials containing barbituric acid or thiobarbituric acid derivaties

Light-sensitive image recording material and dry process for recording light image using the same

Non-silver halide light-sensitive material sensitized by colloidal elements

Photo-sensitive etchant and method for forming metal image using same

Electrophotographic photoreceptor

Heat sensitive color forming and heat sensitive electrical conductivity increasing composition and heat sensitive image recording sheet using the same

Dry photographic copying method for producing Te images

Processes for preparing photoconductive elements and electrophotosensitive materials

Photographic 120-size film roll

Photographic materials for non-silver images and process for forming non-silver images

SONY CORP

Disk data reproduction device using NRZI modulated data

Phase-change optical disk and optical disk apparatus

Disk recording medium including data pre-formatted-data-recorded header having first and second identical address numbers radially displaced from each other on opposite sides of groove or land track center line, and disk drive unit for use with the recording medium

Recording device, recording method, reproducing device, and reproducing method

Information reproduction device and read clock monitoring method

Optical disk drive and method for processing data using the same

Drive unit having blank/written area identification capability

Optical recording medium

Optical disk and optical disk apparatus

Optical disc and optical disc drive apparatus

Operation condition setting system

NAGATA MASAYOSHI

Method and system for producing activated carbon

FUJIFILM CORP

Method and system for producing activated carbon