Inventor

KATOH HIROAKI

JP49 patents

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

KATOH HIROAKI

FUJITSU LTD

Multi-directional bar code reading device

Plural beam, plural window multi-direction bar code reading device

Optical scanner having a plurality of scanning systems

Method and apparatus for extending and confirming the service life of semiconductor laser of bar code reader by detecting current increase corresponding to temperature of semiconductor laser

Optical reader controlling operation between different scanning modes

Optical reader controlling operation between different scanning modes

Stationary and hand held information reading apparatus with pivot type mounting

Stationary bar code reader which can be detected and separated into a hand-held bar code reader

Compact type bar code reader

Optical scanner

Stand for pivotably mounting an optical reading device

Optical reader controlling operation between multi-scanning and single-scanning modes

Rotary polyhedral mirror and method for producing the mirror

Optical scanner having laser diode as light source

Laser scanner

Bar-code reader

Optical reader applicable to plurality of uses

Stand for allowing adjustment of inclination angle of device loaded thereon

Article detection device and method with shift registers and sampling

Optical reader applicable to plurality of uses

Optical reader applicable to plurality of uses

Laser beam generation control system for optical bar code scanner

Laser beam generation control system for optical bar code scanner

Information reading apparatus

Replaceable emission-condensing unit for a bar code reader

Bar-code reader having advanced emission-condensing unit

Optical apparatus with replacement semiconductor laser

RICOH CO LTD

Toner and image forming method using the toner

Toner, and oilless fixing method and process cartridge using the toner

Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device

Single component development device, process cartridge and toner

Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming method

Image developer using one-component developer

Full-color toner kit, process cartridge, and image forming method

Toner, developer including the toner, and image forming method and apparatus using the toner

RICOH KK

Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner

Developer and image forming method using the developer

Toner, fixing method and image forming method using the toner

Toner, and image forming method, image forming apparatus, and process cartridge using the toner

Toner and developer, toner container, process cartridge, image forming method and image forming apparatus

INOUE RYOTA

Toner for developing electrostatic image, image forming apparatus, image forming method, and process cartridge

Toner, developer, process cartridge, and image forming apparatus

FUJITSU LIMITEED

Optical reader applicable to plurality of uses

FUJI XEROX CO LTD

Printer firmware installation method, printer and printer system

YASUNAGA HIDEAKI

Developing device, and image forming method and process cartridge using the developing device

YAMADA SHINTARO

Image forming apparatus

NAKATAKE NAOKI

Image developing device, process cartridge including image developing device, and image forming device including image developing device

MIKURIYA YOSHIHIRO

Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method

KATOH HIROAKI

Image forming method, image forming apparatus and process cartridge