国家/地区 韩国（34） 美国（11） 中国（10） 世界知识产权组织（10）
IPC部 C（24） B（19） H（10）
G（3）
IPC大类 C01（23） C23（10） B01（8）
B82（8） H01（8） B32（5）
B29（4） B41（3） G01（3）
B05（2） B65（2）
IPC小类 C01B（23） C23C（10） B01J（7）
H01B（7） B32B（5） B82B（5）
B82Y（5） B29C（4） B41M（3）
G01N（3） B05D（2） B65H（2）
IPC C01B031/02（14） C01B031/04（11） C23C016/26（7）
H01B001/04（6） B82B003/00（5） B82Y040/00（4）
C23C016/46（4） B01J019/24（3） B82Y030/00（3）
B01J019/08（2） B32B009/00（2） B32B037/02（2）
B32B037/10（2） B32B037/14（2） B32B038/10（2）
发明人 WON D K（34）
公开年 2012（13） 2017（8） 2014（4） 2018（4） 2013（3） 2011（2）
申请年 2011（10）  2016（6）  2010（4）  2012（4）  2013（3）  2015（3）  2017（3） 
专利权人 SAMSUNG TECH.（22） HANWHA TECHW.（14） HAESUNG DS C.（11） HANWHA AEROS.（7）
HAICHENG DIA.（2） NA D（2） WON D（2）

Fabricating graphene involves mixing graphite, sulfuric acid and potassium permanganate to form oxidized graphene and heat treating formed graphene grains at temperature not lower than decomposition temperature of sulfur.

WON D K

Producing graphene membrane, comprises e.g. oxidizing graphite powder to produce oxidized graphite powder, preparing oxidized graphene flakes by ball milling and centrifuging, and dispersing in dispersion solvent to prepare dispersion.

WON D K

Graphene wire used in acoustic apparatus, comprises catalytic metal, graphene layer coated on catalytic metal surface, and healing metal layer disposed on graphene layer, where graphene layer includes defect portion.

WON D K

Graphene wire for cable, has graphene layer coated on surface of catalyst metal line that includes multiple twisted wires, metallic layer coated on surface of each twisted wire, and insulating layer for covering graphene coating layer.

WON D K, RYU J C, YUAN D, RYU J

Frontal structure, has graphene coating film formed in order to surround copper wire with rapidity thermal chemical vapor deposition process, where copper wire is extended to one-way direction.

WON D K, LIM H T, RYU J C, YUAN D, LIM H, RYU J

Graphene inspection apparatus for use in graphene check system, has data acquisition unit for acquiring heat distribution data of graphene, in which current is applied, where detection unit detects deformity occurrence of graphene.

KIM N Y, WON D K

Acoustic diaphragm useful in speaker to generate acoustic signal by converting electrical signal into mechanical signal, comprises e.g. a metal plate including metal and upper graphene layer provided on the upper surface of the metal plate.

RYU J C, WON D K

Graphene synthesis device used for synthesizing graphene wire, has thermal conversion unit that is provided close to center portion of chamber, and catalyst that is placed on thermal conversion unit and formed as thin and long metal.

WON D K, YUAN D

Coating apparatus of conducting wire for connecting semiconductor device and electronic device, has coating unit that laminates insulating layer on conducting wire on which graphene layer is formed.

WON D K, RYU J C

Transferring graphene useful to produce graphene structure, comprises e.g. providing catalyst metal layer, synthesizing graphene on catalyst metal layer, forming first structure by attaching carrier to graphene, and forming second structure.

WON D K