P

Inventor

KOJIMA YASUHIKO

JP69 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO ELECTRON LTD

12 patents

DAINIPPON INK & CHEMICALS

10 patents
US6627380B2Sep 30, 2003

Photosensitive composition, original plate using the same for lithographic printing, and method for producing images on original plate

DAINIPPON INK & CHEMICALS23 citations92
US5275915AJan 4, 1994

Developer for light-sensitive material

DAINIPPON INK & CHEMICALS45 citations92
US6218073B1Apr 17, 2001

Heat sensitive composition, original plate using the same for lithographic printing plate, and process for preparing printing plate

DAINIPPON INK & CHEMICALS29 citations91
US6509133B1Jan 21, 2003

Lithographic printing plate and image forming method

DAINIPPON INK & CHEMICALS16 citations83
US5766833AJun 16, 1998

Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor

DAINIPPON INK & CHEMICALS17 citations80
US5217842AJun 8, 1993

Superhigh contrast negative image forming process

DAINIPPON INK & CHEMICALS12 citations73
US5372911ADec 13, 1994

Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor

DAINIPPON INK & CHEMICALS14 citations72
US5284733AFeb 8, 1994

High-contrast image forming process

DAINIPPON INK & CHEMICALS7 citations72
US5460919AOct 24, 1995

Process of forming super high-contrast negative images and silver halide photographic material and developer being used therefor

DAINIPPON INK & CHEMICALS3 citations61
US5362621ANov 8, 1994

Direct positive silver halide photographic material and method for forming high contrast positive image using the same

DAINIPPON INK & CHEMICALS4 citations61

TOYO ENGINEERING CORP

10 patents

KITASATO INST

6 patents

KOJIMA YASUHIKO

6 patents

KODAK POLYCHROME GRAPHICS LLC

3 patents

YAMANOUCHI PHARMA CO LTD

1 patent

DIANIPPON INK AND CHEMICALS IN

1 patent

ELIONIX INC

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.