Inventor

TAKUMA YUUETSU

JP4 patents

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

HITACHI CABLE

3 patents

US5482525AJan 9, 1996

HITACHI LTD

1 patent

US4946242AAug 7, 1990

Optical part including integral combination of optical fiber and light emitting or receiving element and method of manufacturing the same

HITACHI LTD34 citations92

TAKUMA YUUETSU

HITACHI CABLE

Method of producing elliptic core type polarization-maintaining optical fiber

Method of manufacturing polarization-maintaining optical fibers

Polarized wave preserving fiber

HITACHI LTD

Optical part including integral combination of optical fiber and light emitting or receiving element and method of manufacturing the same