P

Inventor

OHKUBO FUMIYOSHI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “OHKUBO FUMIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

3 patents
US5946439AAug 31, 1999

Single-mode optical fiber

SUMITOMO ELECTRIC INDUSTRIES36 citations91
US5913005AJun 15, 1999

Single-mode optical fiber

SUMITOMO ELECTRIC INDUSTRIES24 citations91
US7324756B2Jan 29, 2008

Optical demultiplexer and optical transmission system

SUMITOMO ELECTRIC INDUSTRIES0 citations51

J POWER SYSTEMS CORP

1 patent
US7874725B2Jan 25, 2011

Optical fiber temperature distribution measuring apparatus, method for measuring optical fiber temperature distribution, and optical fiber temperature distribution measuring system

J POWER SYSTEMS CORP6 citations51