国家/地区 美国（5） 世界知识产权组织（5） 日本（2）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC B82Y030/00（4） C01B031/00（4） C01B031/02（4）
C01B031/04（4） B82Y040/00（3） C07C045/27（2）
H01B001/12（2） H01F001/00（2） H01L029/12（2）
发明人 AWANO H（2） OOTA N（2）
公开年 2009（4） 2010（3）
申请年 2009（7）
专利权人 HITACHI MAXE.（2）

Light-element magnetic material used for e.g. recording media, comprises magnetic graphene in which chemical structure exhibiting magnetic asymmetry is provided to specific ends where graphene exists.

OOTA N, AWANO H

Organic magnetic material for e.g. electrode of lithium ion battery, contains magnetic graphene formed by subjecting edge portion of graphene to chemical modification to produce magnetic asymmetry between edge portions of graphene.

OOTA N, AWANO H

Synthesizing a graphene oxide membrane, useful e.g. in a sensor device, comprises exposing a graphite to microwave radiation so as to exfoliate at least a portion of the graphite into a layered structure and oxidizing the layered structure.

JOHNSON A T, LUO Z

Modified graphene comprising sp3 orbital, useful in e.g. spintronics device, magneto-electronic device, wafer, ferromagnetic semiconductor, and field effect transistor, and as room temperature ferromagnetic semiconductor.

BEKYAROVA E, HADDON R C, HONG J, ITKIS M E, KHIZROEV S, RAMESH P

Functionalized graphene sheet used for manufacturing metal nanoparticle-graphene composite, comprises functional group on basal plane of graphene sheet.

DINGEMANS T, SAMULSKI E T, SI Y

Drilling fluid useful in e.g. drilling operations to prevent or reduce the penetration of drilling fluids into rock formations, comprises graphene.

DOYLE C D, KOSYNKIN D V, LOMEDA J R, SCHMIDT H K, TOUR J M, TOUR J, SCHMIDT H, LOMEDA J, KOSYNKIN D, DOYLE C

Functionalized graphene oxide, e.g. for electronic devices, comprises predetermined range of basal plane fraction of carbon atoms in sp2-hybridized state and surface functionalized with predetermined concentration of functional groups.

CHIA P, CHUA L, GOH G S, HO P, WANG S, CHUA R, CHIA P J, GO G S