Inventor · disambiguated record
Shigeyuki Seikai
Also filed as: SEIKAI SHIGEYUKI
2 granted patents·107 citations·filing 1979–1986
68Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE2
Top patents by PatentIndex Score
2 records- 0186US4755022AZero dispersion single mode optical fiber with center core and side core in the 1.5 μm wavelength regionNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Jul 5, 1988·76 cites·14 claims
- 0280US4270840AGlass fibers for optical transmissionNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Jun 2, 1981·31 cites·13 claims
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