Inventor
CHANG CHING-FENG
US18 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHING-FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRAFTECH INT HOLDINGS INC
8 patentsUS8007658B2Aug 30, 2011
Reduced puffing needle coke from coal tar
GRAFTECH INT HOLDINGS INC7 citations83
US8007659B2Aug 30, 2011
Reduced puffing needle coke from coal tar distillate
GRAFTECH INT HOLDINGS INC7 citations83
US8007660B2Aug 30, 2011
Reduced puffing needle coke from decant oil
GRAFTECH INT HOLDINGS INC5 citations73
US10253264B2Apr 9, 2019
Method of producing needle coke for low CTE graphite electrodes
GRAFTECH INT HOLDINGS INC0 citations52
USRE42775EOct 4, 2011
Isotropic pitch-based materials for thermal insulation
GRAFTECH INT HOLDINGS INC0 citations51
US9758905B2Sep 12, 2017
Process of making carbon fibers derived from lignin/carbon residue
GRAFTECH INT HOLDINGS INC1 citations45
US10011492B2Jul 3, 2018
Carbon products derived from lignin/carbon residue
GRAFTECH INT HOLDINGS INC0 citations44
US9683313B2Jun 20, 2017
Method of making carbon fibers from lignin
GRAFTECH INT HOLDINGS INC0 citations44
MILLER DOUGLAS J
5 patentsUS9777221B2Oct 3, 2017
Method of producing needle coke for low CTE graphite electrodes
MILLER DOUGLAS J2 citations72
US8747651B2Jun 10, 2014
High coking value pitch
MILLER DOUGLAS J3 citations62
US8658315B2Feb 25, 2014
Reduced puffing needle coke from decant oil
MILLER DOUGLAS J2 citations61
US8530094B2Sep 10, 2013
Reduced puffing needle coke from coal tar distillate
MILLER DOUGLAS J2 citations59
US8828348B2Sep 9, 2014
Reduced puffing needle coke from coal tar
MILLER DOUGLAS J0 citations51