Inventor

TAKKE RALF

DE5 patents

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

SHINETSU QUARTZ PROD

3 patents

US5325230AJun 28, 1994

Optical members and blanks of synthetic silica glass and method for their production

SHINETSU QUARTZ PROD92 citations94

US5086352AFeb 4, 1992

Optical members and blanks or synthetic silica glass and method for their production

SHINETSU QUARTZ PROD102 citations94

US5410428AApr 25, 1995

Optical member made of high-purity and transparent synthetic silica glass and method for production thereof or blank thereof

SHINETSU QUARTZ PROD93 citations93

HERAEUS QUARZGLAS

1 patent

US7981824B2Jul 19, 2011

Quartz glass blank and method for producing said blank

HERAEUS QUARZGLAS8 citations82

HERAEUS SCHOTT QUARZSCHMELZE

1 patent

US4676814AJun 30, 1987

Method for the continuous building of a hollow cylindrical soot body having no internal support

HERAEUS SCHOTT QUARZSCHMELZE17 citations70