Inventor · disambiguated record
Kenichi Asakawa
Also filed as: ASAKAWA KENICHI
27 granted patents·1 pending application·534 citations·filing 1976–2013
97Inventor score
Files withKOKUSAI DENSHIN DENWA CO LTD9NIPPON STEEL CORP7MITSUBISHI ELECTRIC CORP3INDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE EARTH SCI & TECH2KYOCERA CORP2
Top patents by PatentIndex Score
28 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
- 0387US5764061AMaritime apparatus for locating a buried submarine cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Jun 9, 1998·105 cites·5 claims
- 0480US7437070B2Submarine observation apparatus and submarine observation systemMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Oct 14, 2008·12 cites·15 claims
- 0577US4544233AUnderwater optical fiber connectorKOKUSAI DENSHIN DENWA CO LTD·Filed 1982·Granted Oct 1, 1985·33 cites·6 claims
- 0676US4891274AHot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistanceNIPPON STEEL CORP·Filed 1986·Granted Jan 2, 1990·32 cites·11 claims
- 0773US5110544AStainless steel exhibiting excellent anticorrosion property for use in engine exhaust systemsNIPPON STEEL CORP·Filed 1990·Granted May 5, 1992·21 cites·9 claims
- 0867US4911522ACore alignment system for optical fibersDUO FAST CORP·Filed 1984·Granted Mar 27, 1990·22 cites·3 claims
- 0967US4731301ATinned steel sheet having a high degree of corrosion resistance and a method of producing the sameNIPPON STEEL CORP·Filed 1985·Granted Mar 15, 1988·27 cites·14 claims
- 1064US7539413B2Observation apparatus and observation systemMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 26, 2009·4 cites·19 claims
- 1157US9599224B2Shell of pressure-resistant container, pressure-resistant container, and exploratory apparatusASAKAWA KENICHI·Filed 2011·Granted Mar 21, 2017·2 cites·6 claims
- 1257US4107357AMethod for effecting one side molten metal platingNIPPON STEEL CORP·Filed 1976·Granted Aug 15, 1978·12 cites·5 claims
- 1355US4384808AUnder-water cable burying deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1981·Granted May 24, 1983·13 cites·2 claims
- 1453US7102257B2Submarine cable power feeding systemJAPAN MARINE SCIENCE & TECH·Filed 2003·Granted Sep 5, 2006·4 cites·7 claims
- 1552US2011024431A1Pressure Container, and Buoyant Body and Exploratory Apparatus Provided TherewithKYOCERA CORP·Filed 2009·Application pending·0 cites
- 1651US4946748AHighly anticorrosive coated steel sheet for fuel vessel and process for production thereofNIPPON STEEL CORP·Filed 1989·Granted Aug 7, 1990·13 cites·14 claims
- 1750US7276811B2Submarine power feeding system having submarine feeding cables and power feeding branching devicesINDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE EARTH SCI & TECH·Filed 2006·Granted Oct 2, 2007·2 cites·3 claims
- 1850US4540942AAlternating 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
- 1947US6563236B2Feed line switching circuit and branching unitMITSUBISHI ELECTRIC CORP·Filed 2002·Granted May 13, 2003·1 cites·7 claims
- 2046US4584211AContinuous hot dip aluminum coating methodNIPPON STEEL CORP·Filed 1984·Granted Apr 22, 1986·9 cites·7 claims
- 2145US9403584B2Pressure-resistant container and exploration machine provided with the sameKYOCERA CORP·Filed 2013·Granted Aug 2, 2016·0 cites·7 claims
- 2244US4678371ABurying device for submarine cables and method for guiding the sameKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Jul 7, 1987·9 cites·2 claims
- 2344US4625172AApparatus for supplying AC current to an underwater cableKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Nov 25, 1986·9 cites·1 claims
- 2441US6157098AFeed line connection circuit and optical transmission systemKDD CORP·Filed 1998·Granted Dec 5, 2000·14 cites·12 claims
- 2541US5790358AFeeding pass switching circuitKAKUSAI DENSHIN DENWA KABUSHIK·Filed 1996·Granted Aug 4, 1998·14 cites·2 claims
- 2640US7166933B2Submarine power feeding branching device for submarine power feeding system having submarine feeding cables arranged in mesh patternINDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE EARTH SCI & TECH·Filed 2003·Granted Jan 23, 2007·4 cites·9 claims
- 2740US4784731AChromate treatment of a metal coated steel sheetNIPPON STEEL CORP·Filed 1987·Granted Nov 15, 1988·5 cites·9 claims
- 2838US4492492AGuiding method for cable burying device and a device thereforKOKUSAI DENSHIN DENWA CO LTD·Filed 1981·Granted Jan 8, 1985·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →