Inventor
KAWASUMI KOICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAWASUMI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS5978065ANov 2, 1999
Liquid crystal device and manufacturing method and apparatus therefor
SONY CORP57 citations94
US5592208AJan 7, 1997
Printing method and a printing apparatus for carrying out the same
SONY CORP8 citations73
US5374495ADec 20, 1994
Developer for electrostatic electrophotography
SONY CORP10 citations73
US5075735ADec 24, 1991
Electrophotographic apparatus using developer that is changed from a solid to a liquid
SONY CORP6 citations73
US5229235AJul 20, 1993
Electrophotographic process using melted developer
SONY CORP17 citations72
US4485168ANov 27, 1984
Photochromic photosensitive composition
SONY CORP7 citations72
US5073798ADec 17, 1991
Electronic photography apparatus
SONY CORP2 citations62
US5424163AJun 13, 1995
Picture recording method using a dispersant having coloring agent particles contained therein
SONY CORP6 citations60
US5116714AMay 26, 1992
Image forming material with developer and photosensitive base on which an electrostatic latent image is formed
SONY CORP1 citations52