Inventor

SEIKAI SHIGEYUKI

JP2 patents

Patents

2 patents

US4755022AJul 5, 1988

Zero dispersion single mode optical fiber with center core and side core in the 1.5 μm wavelength region

NIPPON TELEGRAPH & TELEPHONE76 citations92

US4270840AJun 2, 1981

Glass fibers for optical transmission

NIPPON TELEGRAPH & TELEPHONE31 citations90