Inventor

SAKAI KIYOSHI

JP120 patents

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

SAKAI KIYOSHI

CANON KK

Electrophotographic photosensitive member with hydrazone compound

Electrophotographic photosensitive member

Image forming apparatus and process cartridge having exposure device using light beam having specific spot area

Electrophotographic with polycarbonate having charge transporting group

Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same

Image-bearing member and apparatus including same

Surface roughening method for organic electrophotographic photosensitive member

Photosensitive member for electrophotography, image forming method and electrophotographic apparatus using the same

Electrophotographic photosensitive member with electrical conductor containing polyether-polyurethane layer

Electrophotographic photosensitive member comprising aryl amine charge transport material

Electrophotographic photosensitive member and image forming process using the same

Electrophotographic photosensitive member

Ozone filter used in electrophotographic apparatus including catalyst of CuO, MnO2, and a water-soluble polymer

Electrophotographic member with hydrazone or ketazine compounds

Transfer material carrying member and image forming apparatus

Electrophotographic photosensitive member containing a halogen substituted hydrazone

Electrophotographic photosensitive member having a photosensitive layer containing a hydrazone compound

Electrophotographic member having layer containing methylidenyl hydrazone compound

Image-bearing member and apparatus including same

RICOH KK

Electrophotographic element with carbazole hydrazone or anile charge transport compounds

Electrophotographic element containing hydrazone compounds in charge transport layers

Charge transfer layer with styryl hydrazones

Electrophotographic element with a phenyhydrazone charge transport layer

Electrophotographic element having charge transport layer

Image forming apparatus having a supporting device for supporting imaging units

Recycling system and recycling method

Developer for electrophotography containing ionomer resin

Electrophotographic photoconductor

Electrophotographic elements containing trisazo compounds

Electrophotographic material containing disazo compounds

Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials

Disazo compounds, process for preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials

System for facilitating teaching and learning

FUJITSU LTD

Moving pictures encoding method and apparatus for detecting a scene change between fields of an interlaced image

Video signal coding apparatus, coding method used in the video signal coding apparatus and video signal coding transmission system having the video signal coding apparatus

Multi-point conference system and conference terminal device

Method and apparatus for image signal encoding

Image encoding transmitting and receiving system

Image coding system which limits number of variable length code words

Image encoding and transmitting system

Motion vector searcher and motion vector search method as well as moving picture coding apparatus

Motion vector searching apparatus and motion picture coding apparatus

Image encoding and transmitting system

SANYO ELECTRIC CO

Drink extraction apparatus

Drink supply system having sterilization means

YAMORI AKIHIRO

Video encoding method and apparatus, and video decoding apparatus

Direct mode video coding using variable selection criterion

OMRON TATEISI ELECTRONICS CO

Electronic blood pressure monitor and blood pressure data processing system

SANKYO CO

9-OXO-15 ξ-HYDROXY-20-ALKYLIDENEPROST-13(TRANS)-ENOIC ACID DERIVATIVES

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Loudspeaker arrangement in television receiver cabinet