国家/地区 日本（5） 美国（3）
IPC部 B（5）
IPC大类 C01（5） H01（3） B01（2）
B82（2）
IPC小类 C01B（5）
IPC B82Y040/00（2） C01B031/02（2） H01B001/04（2）
H01L029/06（2） H01L029/16（2） H01L029/786（2）
发明人 OKAI M（5）
公开年 2010（2）
申请年 2010（2） 
专利权人 HITACHI LTD（3） HIROOKA M（2） HITACHI CHEM.（2） OKAI M（2）

Catalyst used for hydrolyzing e.g. cellulose, comprises graphene sheet comprising sheet formed by connecting carbon skeletons having carbon atoms bonded to each other in hexagonal shape, and having carboxyl group/sulfonic acid group.

MAKOTO O, YOSHIAKI K, OKAI M, KURIHARA Y

Hydrolysis catalyst is obtained by aggregating cellulose fibers with graphene catalyst containing carboxyl group(s) and/or sulfonic acid group(s) and including graphene structure.

OKAI M

Substrate having graphene film used in electronic/photonic device comprises base substrate, patterned aluminum oxide film formed on base substrate, and graphene oxide film having graphene atomic layer.

OKAI M, HIROOKA M, WADA Y, IWAI Y, HONMA S, ASHIGAHARA T, TAKAYUKI A, YOSHIAKI I, SHUNICHI H, HIROKA M, HOMMA S

Transparent conductive film for forming transparent conductive film-on-substrate for electronic device e.g. flat panel display device or photovoltaic cell comprises graphene platelets overlapping one another to form multilayer structure.

OKAI M, HIROOKA M

Device e.g. an electronic device and an electronic or electro-optical integrated circuit comprises graphene and a metal electrode.

OKAI M, HIROOKA M