Inventor

KOYANAGI YOSHIHIRO

JP24 patents

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

KOYANAGI YOSHIHIRO

FUJI PHOTO FILM CO LTD

Device for removing image recording material

Positioning method and positioning device for positioning printing plate relative to surface plate

Sheet material stacking device and automatic exposure device for a printing plate

Image recording material conveying device and automatic image recording system

Feed device

Printing plate automatic exposing device

Exposure apparatus for printing plates

Method of and apparatus for recording image onto a recording medium without subjecting the medium to undesired external forces

Sheet-shaped material positioning device and printing plate precursor exposure device

Automatic exposure apparatus for printing plates and method for exposing printing plates

Heat transfer device for sheet assembly

Conjugate length varying device

Ball screw feed mechanism

KASHIWARA SEITAI KK

Compression sack

Cubic cushioning material and production method thereof

Shut-off valve

KOYANAGI YOSHIHIRO

Check valve

Structure of fluid container and method and apparatus for producing the fluid container

KASHIWARA SEITAI CO LTD

Air-filling cushioning material and method for manufacturing the same

Mounting structure of an open/close valve in a sealed body

KABUSHIKIKAISHA KASHIWARASEITA

Bag with a filtering check valve

KAKEN KOGYO CO LTD

Check valve, pouch with the check valve, and manufacturing apparatus therefor

ARU CORP

Compression storage bag

FUJIFILM CORP

Planographic printing plate supply unit including carrying roller with hollow convex portions