Inventor

UCHIYAMA AKIHIKO

JP54 patents

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

UCHIYAMA AKIHIKO

CANON KK

Image forming apparatus having function for judging life of unit detachably mountable thereto, and unit detachably mountable to image forming apparatus

Image forming apparatus for performing image density control

Developing apparatus

Image forming apparatus with plural transfer means and selecting mechanism for selecting from among a plurality of image bearing members

Image forming apparatus for performing correction control, based on density of toner image

Developing apparatus including a control function for applied periodic developing bias field

Image forming apparatus with function of requesting exchange of fixing unit

Image forming apparatus having recording material carrying member

Image forming apparatus with select relation among distances in recording material conveyance path

Developing apparatus using one component toner with improved flowability

Toner

Image forming apparatus having image color gamut enlargement mode

Image forming apparatus and image forming method

Image forming apparatus and a density measuring method in which a density measuring mode is changed in accordance with a developed image

Image forming apparatus which reduces toner fusion on an image bearing member

Image forming apparatus operable in modes having different color gamuts

Image forming apparatus

Image forming apparatus with controllable velocity ratio between image and developer bearing members

Image forming apparatus with development control based on density detection of developed control image

Image forming apparatus with delayed discharge by discharge means

Image forming apparatus

Colorimetry apparatus and image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image processing apparatus and method having improved color-boundary mixing

Image forming apparatus

Developing apparatus forming alternating electric field between image bearing member and toner carrying member

Image forming apparatus

Image forming apparatus

Image forming apparatus operable in modes having different color gamuts

Colorimetry apparatus and image forming apparatus

Image forming apparatus

Image forming apparatus operable in modes having different color gamuts

Color measuring apparatus, image forming apparatus and color measuring method

TEIJIN LTD

Phase difference film, phase difference film composite and liquid crystal display device using the same

Retardation film and optical device employing it

Orientated film having pores

Liquid crystal display element, and use of phase difference film used the same for

Retardation film and optical device employing it

Application of light source including light guide for emanating linearly polarized light to liquid crystal display with haze anisotropy

Process for producing retardation film

Polycarbonate-based oriented film and retardation film

UCHIYAMA AKIHIKO

Retardation film, laminated polarizing film, and liquid crystal display device

Laminated polarizing film, phase retardation film, and liquid crystal display device

BAYER AG

Optical film

SHIMURA MASARU

Image forming apparatus comprising a charging unit including plural conductive fibers

YOSHIDA TSUGUHIRO

Image forming apparatus

OKUDA KEI

Portable information terminal device

UNIV WASEDA

Method and device for measuring intraocular tension