P

Inventor

KITAJIMA EIJI

JP9 patents
⚠️ This page may combine multiple inventors who share the name “KITAJIMA EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOA OIL CO LTD

7 patents
US4381990AMay 3, 1983

Process for producing mesocarbon microbeads of uniform particle-size distribution

KOA OIL CO LTD10 citations70
US4363670ADec 14, 1982

Continuous process for industrially producing mesocarbon microbeads

KOA OIL CO LTD7 citations70
US4488957ADec 18, 1984

Method and apparatus for production of crystallizable carbonaceous material

KOA OIL CO LTD12 citations69
US5183603AFeb 2, 1993

Process for producing a coil-shaped carbon fiber bundle

KOA OIL CO LTD4 citations59
US4769139ASep 6, 1988

Apparatus for production of crystallizable carbonaceous material

KOA OIL CO LTD2 citations58
US4640822AFeb 3, 1987

Apparatus for producing bulk mesophase

KOA OIL CO LTD3 citations58
US5204030AApr 20, 1993

Method for producing pitch-type carbon fiber

KOA OIL CO LTD0 citations50

NIPPON OIL CORP

1 patent
US7564676B2Jul 21, 2009

Electric double layer capacitor, activated carbon for electrode therefor and method for producing the same

NIPPON OIL CORP8 citations80

KAO OIL CO LTD

1 patent
US5277850AJan 11, 1994

Process for producing a coil-shaped carbon fiber bundle

KAO OIL CO LTD2 citations53