国家/地区 世界知识产权组织（8）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B032/205（8）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） INUI N（2）
KAMIYA N（2） KAMIYA NAGISA（2） WON D Y（2）
公开年 2015（3） 2021（3）
申请年 2014（3）  2019（2） 
专利权人 GRAPHENE PLA.（2） PI ADVANCED .（2） SEKISUI CHEM.（2） SEKISUI CHEM.（2）

Polyimide film is obtained by imidization reaction of polyamic acid containing quinoline and beta-picoline as imidation catalyst and acetic anhydride as dehydrating agent.

JUNG H, WON D, WON D Y

Producing graphite useful as thermal radiation materials, such as semiconductor element mounted in electronic apparatuses, such as smartphone, involves heat-treating raw material comprising graphene oxide comprising carbon and oxygen.

NISHIKAWA Y, NISHIKAWA T

Elastic heat spreader film used for forming structural component, comprises graphitic film comprising graphitic crystals, and having preset thermal conductivity, electroconductivity and physical density, and elastomer or rubber.

LIN Y, JANG B Z, ZHANG B, JEAN B

Graphite sheet useful for electronic device, has thermal conductivity in plane direction, and thermal conductivity in thickness direction.

KIM K S, WON D Y, CHOI J Y, CUI Z, YUAN D, JIN J

Carbon material used for manufacture of resin compound material, comprises volatile component having graphene structure and volatilized at preset temperature.

SAWA K, HAMADA T, MUKOHATA D, INUI N

Graphene composition for graphene molding comprises organic compound, graphene with flakes, and dispersing agent.

HASEGAWA SHOJI, KAMIYA NAGISA, HASEGAWA S, KAMIYA N

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y

Manufacture of flaky graphite used for forming flaky graphite-resin composite, involves immersing carbon material having graphene laminated structure in liquid, irradiating electromagnetic waves, heating and slicing carbon material.

INUI N