国家/地区 日本（4）
IPC部 C（4）
IPC大类 C01（4） D01（2）
IPC小类 C01B（4）
IPC C01B031/02（3） D01F009/145（2）
发明人
公开年
申请年
专利权人 TEIJIN LTD（4）

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R

Manufacturing method of hetero atom-containing graphene for e.g. fuel cell electrode catalyst involves thermally decomposing boron, silicon, nitrogen, phosphorus, sulfur, fluorine, and/or precursor compound with hydroxyl group.

RICE S M, NABAE Y, KUROKI S, KAKIMOTO M, MIYATA S, NANBAE H

Pitch-type carbon short fiber filler for resin composition used for molded products, has graphene sheet closed in filler end surface, and specified range of average fiber diameter as observed by optical microscope.

HARA H, HIRATA S, SANO H

Manufacture of carbon nanotube having preset diameter for polymer composite material, involves removing graphene sheet from multiwall carbon nanotube.

HONDA S, NITTA H, MATSUMURA S