Assignee
HITACHI SHIPBUILDING ENG CO
JP·258 granted patents·50 pending applications·3,792 citations·filing 1973–2020
Top patents by PatentIndex Score
308 records- 0194US9896332B2Ammonia oxidation/decomposition catalystHITACHI SHIPBUILDING ENG CO·Filed 2016·Granted Feb 20, 2018·20 cites·5 claims
- 0294US6795041B2Mixed reality realizing systemHITACHI SHIPBUILDING ENG CO·Filed 2002·Granted Sep 21, 2004·185 cites·3 claims
- 0394US4496306AMulti-stage combustion method for inhibiting formation of nitrogen oxidesHITACHI SHIPBUILDING ENG CO·Filed 1984·Granted Jan 29, 1985·83 cites·6 claims
- 0494US4395223AMulti-stage combustion method for inhibiting formation of nitrogen oxidesHITACHI SHIPBUILDING ENG CO·Filed 1980·Granted Jul 26, 1983·88 cites·6 claims
- 0593US6365857B1Plastics sorting apparatusHITACHI SHIPBUILDING ENG CO·Filed 1999·Granted Apr 2, 2002·65 cites·4 claims
- 0693US6132349AFold construction of corrugated fiberboardHITACHI SHIPBUILDING ENG CO·Filed 1996·Granted Oct 17, 2000·95 cites·8 claims
- 0793US4456305AShield tunneling machineHITACHI SHIPBUILDING ENG CO·Filed 1982·Granted Jun 26, 1984·43 cites·8 claims
- 0892US6752595B2Propeller type windmill for power generationHITACHI SHIPBUILDING ENG CO·Filed 2001·Granted Jun 22, 2004·69 cites·8 claims
- 0989US10272367B2Infiltration intake system for revetment wallHITACHI SHIPBUILDING ENG CO·Filed 2015·Granted Apr 30, 2019·4 cites·13 claims
- 1088US4160805ABoiler containing denitratorHITACHI SHIPBUILDING ENG CO·Filed 1977·Granted Jul 10, 1979·57 cites·7 claims
- 1188US4140598AMirror finishingHITACHI SHIPBUILDING ENG CO·Filed 1977·Granted Feb 20, 1979·37 cites·20 claims
- 1288US4050609AHeat insulating device for low temperature liquified gas storage tanksHITACHI SHIPBUILDING ENG CO·Filed 1976·Granted Sep 27, 1977·53 cites·9 claims
- 1387US7829740B2Process for production of lactic acid and equipment for the productionHITACHI SHIPBUILDING ENG CO·Filed 2006·Granted Nov 9, 2010·16 cites·14 claims
- 1487US5158582AMethod of removing NOx by adsorption, NOx adsorbent and apparatus for purifying NOx-containing gasHITACHI SHIPBUILDING ENG CO·Filed 1991·Granted Oct 27, 1992·67 cites·13 claims
- 1587US4526121AShip for treating coal slurryHITACHI SHIPBUILDING ENG CO·Filed 1982·Granted Jul 2, 1985·42 cites·12 claims
- 1686US10570795B2Combustion engine exhaust gas purifying facilityHITACHI SHIPBUILDING ENG CO·Filed 2016·Granted Feb 25, 2020·3 cites·6 claims
- 1785US4706090AShip collision preventive aid apparatusHITACHI SHIPBUILDING ENG CO·Filed 1985·Granted Nov 10, 1987·97 cites·2 claims
- 1885US4549835ADocking apparatus for shipsHITACHI SHIPBUILDING ENG CO·Filed 1983·Granted Oct 29, 1985·34 cites·9 claims
- 1985US4160009ABoiler apparatus containing denitratorHITACHI SHIPBUILDING ENG CO·Filed 1977·Granted Jul 3, 1979·75 cites·9 claims
- 2085US3957154AApparatus for rotating bottlesHITACHI SHIPBUILDING ENG CO·Filed 1975·Granted May 18, 1976·49 cites·11 claims
- 2184US4242073AInjection molding apparatus and molding method with use of the apparatusHITACHI SHIPBUILDING ENG CO·Filed 1978·Granted Dec 30, 1980·52 cites·9 claims
- 2284US3985866AMethod of producing high-pressure hydrogen containing gas for use as a power sourceHITACHI SHIPBUILDING ENG CO·Filed 1975·Granted Oct 12, 1976·49 cites·7 claims
- 2382US5501240ACleaning method and cleaning apparatusHITACHI SHIPBUILDING ENG CO·Filed 1994·Granted Mar 26, 1996·47 cites·2 claims
- 2482US4074105AArc welding method and arc welding apparatusHITACHI SHIPBUILDING ENG CO·Filed 1975·Granted Feb 14, 1978·45 cites·5 claims
- 2581US4674556AMethod and device for controlling thin metallic strip continuous casting apparatusHITACHI SHIPBUILDING ENG CO·Filed 1986·Granted Jun 23, 1987·20 cites·6 claims
- 2680US8379209B2Non-destructive inspection device for oxygen concentration in bag-shaped containerHITACHI SHIPBUILDING ENG CO·Filed 2009·Granted Feb 19, 2013·11 cites·4 claims
- 2780US8366348B2Raised state holding mechanism of flap gate for breakwaterHITACHI SHIPBUILDING ENG CO·Filed 2010·Granted Feb 5, 2013·7 cites·4 claims
- 2880US6903294B1Apparatus for separating plastic chipsHITACHI SHIPBUILDING ENG CO·Filed 2000·Granted Jun 7, 2005·27 cites·7 claims
- 2980US6720514B1Plastic sorterHITACHI SHIPBUILDING ENG CO·Filed 2000·Granted Apr 13, 2004·18 cites·4 claims
- 3080US4294673AMethod of mirror-finishing a cylindrical workpieceHITACHI SHIPBUILDING ENG CO·Filed 1980·Granted Oct 13, 1981·17 cites·2 claims
- 3180US4179412AProcess for producing catalyst precursors for decomposing ammonia by oxidation and precursors produced by said processHITACHI SHIPBUILDING ENG CO·Filed 1978·Granted Dec 18, 1979·29 cites·15 claims
- 3279US5584969AApparatus for thermally decomposing plastics and process for converting plastics into oil by thermal decompositionHITACHI SHIPBUILDING ENG CO·Filed 1994·Granted Dec 17, 1996·27 cites·13 claims
- 3377US6467628B1Plastic chip separatorHITACHI SHIPBUILDING ENG CO·Filed 2000·Granted Oct 22, 2002·15 cites·3 claims
- 3477US4233183AProcess for producing plate-shaped denitrating catalystHITACHI SHIPBUILDING ENG CO·Filed 1979·Granted Nov 11, 1980·30 cites·9 claims
- 3576US6145934ADischarge destroying method, discharge destroying device and method of manufacturing the sameHITACHI SHIPBUILDING ENG CO·Filed 1996·Granted Nov 14, 2000·35 cites·6 claims
- 3676US5635142ANOx adsorption and removal apparatusHITACHI SHIPBUILDING ENG CO·Filed 1994·Granted Jun 3, 1997·47 cites·3 claims
- 3776US5248288AApparatus for changing work holder in transfer pressHITACHI SHIPBUILDING ENG CO·Filed 1992·Granted Sep 28, 1993·26 cites·12 claims
- 3876US4229157ASystem for controlling feed of waste gas to ground flareHITACHI SHIPBUILDING ENG CO·Filed 1978·Granted Oct 21, 1980·31 cites·7 claims
- 3975US9957796B2Tunnel boring machineHITACHI SHIPBUILDING ENG CO·Filed 2016·Granted May 1, 2018·3 cites·6 claims
- 4075US4694886AHorizontal continuous casting apparatusHITACHI SHIPBUILDING ENG CO·Filed 1986·Granted Sep 22, 1987·14 cites·12 claims
- 4175US4424062AProcess and apparatus for chemically removing ash from coalHITACHI SHIPBUILDING ENG CO·Filed 1982·Granted Jan 3, 1984·23 cites·3 claims
- 4275US4293447AProcess for repairing plate-shaped denitrating catalystsHITACHI SHIPBUILDING ENG CO·Filed 1980·Granted Oct 6, 1981·26 cites·3 claims
- 4374US10398794B2Internal surface electron beam-irradiating deviceHITACHI SHIPBUILDING ENG CO·Filed 2016·Granted Sep 3, 2019·1 cites·4 claims
- 4474US4630846APipe jointHITACHI SHIPBUILDING ENG CO·Filed 1983·Granted Dec 23, 1986·34 cites·13 claims
- 4574US4346010AProcess for recovering fine coal particles from slurry of finely divided coalHITACHI SHIPBUILDING ENG CO·Filed 1981·Granted Aug 24, 1982·28 cites·6 claims
- 4673US6283555B1Plasma blasting with coaxial electrodesHITACHI SHIPBUILDING ENG CO·Filed 2000·Granted Sep 4, 2001·24 cites·7 claims
- 4773US5408948ATwin-hull boat with hydrofoils and control systemHITACHI SHIPBUILDING ENG CO·Filed 1994·Granted Apr 25, 1995·29 cites·5 claims
- 4872US4538047AMethod of controlling robotic automatic welding apparatusHITACHI SHIPBUILDING ENG CO·Filed 1983·Granted Aug 27, 1985·29 cites·9 claims
- 4971US10272366B2Infiltration intake systemHITACHI SHIPBUILDING ENG CO·Filed 2015·Granted Apr 30, 2019·1 cites·6 claims
- 5071US5667151AProcess and apparatus for collecting waste plastics as separatedHITACHI SHIPBUILDING ENG CO·Filed 1996·Granted Sep 16, 1997·47 cites·4 claims
Showing the top 50 of 308 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when HITACHI SHIPBUILDING ENG CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →