Inventor

ARUGA TAMOTSU

JP77 patents

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

ARUGA TAMOTSU

RICOH KK

Electrophotographic photoreceptor, electrophotographic image forming method and apparatus using the photoreceptor

Electrophotographic photoconductor and aromatic polycarbonate resin for use therein

Electrophotographic photoconductor and triphenylamine compounds for use in the same

Aqueous ink composition

Recording medium for ink-jet printing

Aqueous ink composition for ink-jet recording

Aqueous ink composition for ink-jet recording

Aqueous ink composition

Aqueous ink composition for ink jet-recording

Aqueous ink composition for ink-jet recording

Aqueous ink for ink-jet printing

Recording method by use of inks

Method for preparing the pyrenylamine derivatives

Methods for preparing pyrenylamine derivatives and intermediates

Electrophotographic photoconductor and triphenylamine compound for use therein

Electrophotographic photoconductor comprising pyrenylamine derivative, the pyrenylamine derivative, intermediate for preparation thereof, and method for preparing the pyrenylamine derivative and the intermediate

Electrophotographic photoconductor comprising pyrenylamine derivative, the pyrenylamine derivative, intermediate for preparation thereof, and method for preparing the pyrenylamine derivative and the intermediate

Electrophotographic photoconductor comprising pyrenylamine derivative

Electrophotographic photoconductor with lignin

Pyrenylamine derivatives having unsaturated bond

Aldehyde intermediates for the preparation of pyrenylamine derivatives having unsaturated bond

Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same

Recording material for ink jet printing

Aqueous ink for ink jet printing

Electrophotographic photoconductor, production process thereof, electrophotographic image forming method and apparatus, and process cartridge

Pyrenylamine derivatives

Electrophotographic photoconductor and diamine compounds for use in the same

Organic thin-film transistor

Image forming apparatus having improved capability for maintaining ink delivery

Image forming apparatus, image forming method, process cartridge, photoconductor and method of preparing photoconductor

Triphenylamine compound for use in electrophotographic photoconductors

Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same

Electrophotographic photoconductor and M-phenylenediamine derivatives for use in the same

Electrophotographic photoconductors and tertiary amine compounds having condensed polycyclic group for use in the same

Electrophotographic element with M-phenylenediamine derivatives therein

Electrophotographic photoconductor containing charge generating azo pigment subjected to a salt-milling process

Diamine compounds for use in electrophotographic photoconductors

Charge transporting materials and electrophotographic photoconductors using the same

Electrophotographic photoconductor, pyrene-ring-containing olefin compound for use in the same, intermediate for synthesizing the olefin compound, and method of synthesizing the olefin compound

RICOH CO LTD

Ink-media set, ink composition, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matter

Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the same

Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording process

HODOGAYA CHEMICAL CO LTD

Electrophotographic photoconductor and aromatic polycarbonate resin for use therein

MAEKAWA TSUTOMU

Ultraviolet crosslinking ink and inkjet recording method

HARADA SHIGEYUKI

Copolymer, aqueous ink, and ink cartridge

MOROHOSHI NAOYA

Recording ink, ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus, and inkjet recording method

GOTO DAISUKE

[1]benzothieno[3,2-B][1]benzothiophene compound and method for producing the same, and organic electronic device using the same

NOGUCHI SOH

Ink jet recording method

ARUGA TAMOTSU

Recording ink as well as ink media set, ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method

KOYANO MASAYUKI

Ink set, ink cartridge, inkjet recording method, and inkjet recording apparatus