Inventor

SONOBE YOUJI

JP3 patents

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

ANRITSU CORP

2 patents

US6236452B1May 22, 2001

Optical amplifier evaluation method and optical amplifier evaluation device

ANRITSU CORP12 citations72

US4758086AJul 19, 1988

Apparatus for measuring spectral power of a light beam

ANRITSU CORP11 citations66

ANRITSU ELECTRIC CO LTD

1 patent

US4643572AFeb 17, 1987

Driving circuit of a grating

ANRITSU ELECTRIC CO LTD11 citations68