Inventor

KUWAKI NOBUO

JP9 patents

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

FUJIKURA LTD

5 patents

US10760993B2Sep 1, 2020

Measurement method, measurement device, and non-transitory recording medium

FUJIKURA LTD4 citations72

US9297952B2Mar 29, 2016

Optical fiber and optical transmission line

FUJIKURA LTD0 citations51

US9188735B2Nov 17, 2015

Optical fiber, optical transmission line, and method for manufacturing optical fiber

FUJIKURA LTD0 citations51

US10025032B2Jul 17, 2018

Alignment device, splicing device, aligning method, and splicing method for optical fibers

FUJIKURA LTD1 citations49

US9507082B2Nov 29, 2016

Two-mode optical fiber and light transmission path

FUJIKURA LTD0 citations41

NIPPON TELEGRAPH & TELEPHONE

4 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

US5357362AOct 18, 1994

Optical telephone using optical modulator

NIPPON TELEGRAPH & TELEPHONE28 citations90

US4913521AApr 3, 1990

Single-polarization optical fiber

NIPPON TELEGRAPH & TELEPHONE39 citations90

US5259045ANov 2, 1993

Optical modulation method operable in an optical transmission path and an optical modulator using the optical modulation method

NIPPON TELEGRAPH & TELEPHONE14 citations71