Inventor

SAEKI KEISO

48 patents

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

SAEKI KEISO

FUJI PHOTO FILM CO LTD

Method for preparing microcapsules

Multicolor recording material

Method for preparing microcapsules

Process for the production of oil-containing microcapsules

Process for hardening microcapsules containing hydrophobic oil droplets

Microcapsule containing photo-oxidizing agent and leuco dye

Method of forming microcapsule films having low porosity

Process for hardening microcapsules

Recording material

Method of forming microcapsules, microcapsular dispersion, and pressure sensitive recording sheet

Production of microcapsules

Pressure-sensitive recording sheet

Pressure-sensitive recording paper containing microcapsules

Multi-color recording materials

Recording material

Pressure-sensitive recording material

Process for the preparation of color developer sheets for pressure-sensitive recording

Recording material

Process for separating a number of sheets into groups

Pressure-sensitive copying sheet

Optical image-recording material

Image-forming material and image recording method using the same

Recording material

Pressure sensitive recording sheet

Recording method comprising reacting cellulose fiber with a basic color former

Light image forming material

Light image forming material and image-recording method using such

Light-image forming material

Pressure-sensitive recording medium

Desensitizer composition

Pressure-sensitive recording sheet

Recording material

Recording sheet

Desensitizer composition for color developer sheet in pressure sensitive recording system contains a piperidine derivative

Recording materials containing chromenoindoles

Process for preparing microcapsules containing hydrophobic oil drops

Recording material

Pressure-sensitive microcapsule sheet

Color developer sheet

Microcapsule sheet for pressure-sensitive copying

Method of preparing color developer sheets

Pressure-sensitive recording sheet

Pressure-sensitive recording sheets

Thiazine production

Color former and pressure-sensitive copying paper

HODOGAYA CHEMICAL CO LTD

Pressure-sensitive copying material

Pressure-sensitive copying paper containing lactone compounds of pyridine-carboxylic acid

Pressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acid