Inventor

KAWAGUCHI HIROFUMI

JP44 patents

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

KAWAGUCHI HIROFUMI

NICHIA CORP

Semiconductor light emitting element and method of manufacturing the same

Method for manufacturing light emitting device

Light emitting element and light emitting device using the same

Semiconductor light emitting element and method of manufacturing the same

Light emitting element

Light-emitting device having gap portion between portion of insulating film and side surface of light-emitting layer

Method of making layered structure with metal layers using resist patterns and electrolytic plating

Semiconductor light emitting element and method of manufacturing the same

Method of manufacturing nitride semiconductor light emitting element having thick metal bump

Method for manufacturing light-emitting element

Light emitting device

RENESAS ELECTRONICS CORP

Semiconductor device, image processing system and program

Image processing device and image processing method

Image processing device and image processing method

Semiconductor device, image processing system, and program

Semiconductor device and message image output method

Image processing apparatus, image processing method, and program product

Image processing apparatus, image processing method, and program product

Semiconductor device and message image signal output method

Semiconductor device, image processing system, image processing method and computer readable storage medium

Semiconductor device, image processing system, image processing method and computer readable storage medium

MITA INDUSTRIAL CO LTD

Stilbene derivative and method for producing the same

Naphthoquinone derivative and electrophotosensitive material using same

Naphthoquinone derivative

Electrophotographic photoreceptor

Tryptoanthrinimine derivative and electrophotosensitive material using the same

Tryptoanthorine derivative contained in electrophotosensitive material

Electrophotosensitive material

Tryptanthrine compounds

Trinitrofluorenonimine derivative and electrophotosensitive material using the same

Trinitrofluoroenonimine derivative and electrophotosensitive material using the same

KYOCERA MITA CORP

Stilbene derivative and method of producing the same, and electrophotosensitive material

Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material and production method of the same

Single-layer type electrophotosensitive material and image forming apparatus using the same

Imaging method and imaging device

KAWAGUCHI HIROFUMI

Imaging device with a scene discriminator

Nitride semiconductor light emitting element and method for manufacturing same

YONEDA AKINORI

Light emission device including semiconductor light emitting elements

Method of manufacturing nitride semiconductor light emitting element having thick metal bump

PIONEER ELECTRONIC CORP

Video signal processing circuit providing optimum signal level for inverse gamma correction

NIHON TECHNO CO LTD

Refrigerating method and apparatus for showcases and vending machines as well as open type showcases and vending machines utilizing said method and apparatus

FUJI IMPULSE CO LTD

Electric heating device

KYOCERA DOCUMENT SOLUTIONS INC

Fixing device and image forming apparatus

PIONEER CORP

Display-panel driving method