Inventor · disambiguated record
Yoshinao Iwamoto
Also filed as: IWAMOTO YOSHINAO
22 granted patents·1 pending application·505 citations·filing 1974–2015
96Inventor score
Top patents by PatentIndex Score
23 records- 0194US4641915ARotary joint for optical fibersKOKUSAI DENSHIN DENWA CO LTD·Filed 1984·Granted Feb 10, 1987·100 cites·4 claims
- 0288US4637686AOptical fiber with light reflecting particles dispersed through buffer layers to dissipate leaky cladding modesKOKUSAI DENSHIN DENWA CO LTD·Filed 1984·Granted Jan 20, 1987·52 cites·5 claims
- 0388US4438401ASystem for detecting a cable buried under the seabedKOKUSAI DENSHIN DENWA CO LTD·Filed 1980·Granted Mar 20, 1984·52 cites·9 claims
- 0479US4923291AOptical amplificationKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted May 8, 1990·47 cites·6 claims
- 0577US4544233AUnderwater optical fiber connectorKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Oct 1, 1985·33 cites·6 claims
- 0675US10327799B2ScissorsIMOTT INC·Filed 2015·Granted Jun 25, 2019·5 cites·8 claims
- 0767US4911522ACore alignment system for optical fibersDUO FAST CORP·Filed 1984·Granted Mar 27, 1990·22 cites·3 claims
- 0866US4537530AMarine cable burying method and device thereforKOKUSAI DENSHIN DENWA CO LTD·Filed 1984·Granted Aug 27, 1985·23 cites·1 claims
- 0965US4899043AFault monitoring system for optical fiber communication systemsKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Feb 6, 1990·28 cites·2 claims
- 1063US4972513AMulti-point optical amplification repeating systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Nov 20, 1990·26 cites·6 claims
- 1162US4747094ASignal coupling system for optical repeater systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted May 24, 1988·24 cites·6 claims
- 1258US3983475AFrequency selective detecting system for detecting alternating magnetic fieldsKOKUSAI DENSHIN DENWA CO LTD·Filed 1974·Granted Sep 28, 1976·11 cites·2 claims
- 1355US4384808AUnder-water cable burying deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1981·Granted May 24, 1983·13 cites·2 claims
- 1452US4764980ASystem for measuring delay time variation in optical fiber digital communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Aug 16, 1988·16 cites·7 claims
- 1550US4540942AAlternating current induction method using an annular magnetic coupling body for detecting the position of a buried submarine cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1981·Granted Sep 10, 1985·9 cites·1 claims
- 1647US9506143B2Protective film and method for producing sameOHTAKE NAOTO·Filed 2010·Granted Nov 29, 2016·0 cites·5 claims
- 1746US2011045208A1Diamond-like carbon film forming apparatus and method of forming diamond-like carbon filmIMOTT INC·Filed 2009·Application pending·0 cites
- 1844US4678371ABurying device for submarine cables and method for guiding the sameKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Jul 7, 1987·9 cites·2 claims
- 1944US4625172AApparatus for supplying AC current to an underwater cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Nov 25, 1986·9 cites·1 claims
- 2044US4317079ABuried cable locating systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1979·Granted Feb 23, 1982·10 cites·7 claims
- 2138US4933990AOptical privacy communication system in two-way optical transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Jun 12, 1990·7 cites·4 claims
- 2238US4492492AGuiding method for cable burying device and a device thereforKOKUSAI DENSHIN DENWA CO LTD·Filed 1981·Granted Jan 8, 1985·6 cites·2 claims
- 2331US5048922AOptical fiber cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1988·Granted Sep 17, 1991·3 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →