Inventor

HAN QINGRONG

CN4 patents

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

HAN QINGRONG

1 patent

US8200057B2Jun 12, 2012

Single-mode fiber and production method thereof

HAN QINGRONG24 citations88

ZHANG FANGHAI

1 patent

US8184936B2May 22, 2012

Multi-mode bending-resistant fiber and production method thereof

ZHANG FANGHAI21 citations82

YANGTZE OPTICAL FIBRE & CABLE

1 patent

US6952518B2Oct 4, 2005

Dispersion-shifted single-mode fiber having low dispersion slope for large capacity transmission

YANGTZE OPTICAL FIBRE & CABLE18 citations78

YANG CHEN

1 patent

US9086524B2Jul 21, 2015

Methods for manufacturing optical fiber preform and methods for manufacturing optical fiber

YANG CHEN1 citations49