Inventor · disambiguated record
Keiichi Kuniya
Also filed as: ARAKAWA HIDEO · KUNIYA KEIICHI
21 granted patents·451 citations·filing 1974–1989
96Inventor score
Files withHITACHI LTD21
Top patents by PatentIndex Score
21 records- 0193US3969754ASemiconductor device having supporting electrode composite structure of metal containing fibersHITACHI LTD·Filed 1974·Granted Jul 13, 1976·51 cites·19 claims
- 0286US4482912AStacked structure having matrix-fibered composite layers and a metal layerHITACHI LTD·Filed 1982·Granted Nov 13, 1984·62 cites·12 claims
- 0383US4497875ACeramic substrate with metal plateHITACHI LTD·Filed 1983·Granted Feb 5, 1985·52 cites·16 claims
- 0482US4083719ACopper-carbon fiber composites and process for preparation thereofHITACHI LTD·Filed 1976·Granted Apr 11, 1978·43 cites·11 claims
- 0580US4470063ACopper matrix electrode having carbon fibers thereinHITACHI LTD·Filed 1981·Granted Sep 4, 1984·49 cites·16 claims
- 0676US4196442ASemiconductor deviceHITACHI LTD·Filed 1978·Granted Apr 1, 1980·34 cites·6 claims
- 0775US4689091AProcess for producing zirconium-based alloyHITACHI LTD·Filed 1985·Granted Aug 25, 1987·21 cites·19 claims
- 0871US4678521AProcess for producing zirconium-based alloy and the product thereofHITACHI LTD·Filed 1986·Granted Jul 7, 1987·29 cites·31 claims
- 0969US4941251ARollers for rolling millsHITACHI LTD·Filed 1989·Granted Jul 17, 1990·17 cites·35 claims
- 1068US4839949ARollers for rolling millsHITACHI LTD·Filed 1987·Granted Jun 20, 1989·17 cites·19 claims
- 1167US4664727AZirconium alloy having superior corrosion resistanceHITACHI LTD·Filed 1983·Granted May 12, 1987·15 cites·15 claims
- 1257US4551596ASurge-absorberless vacuum circuit interrupterHITACHI LTD·Filed 1983·Granted Nov 5, 1985·9 cites·16 claims
- 1355US4347413AElectrodes of vacuum circuit breakerHITACHI LTD·Filed 1979·Granted Aug 31, 1982·7 cites·15 claims
- 1449US4226917AComposite joint system including composite structure of carbon fibers embedded in copper matrixHITACHI LTD·Filed 1978·Granted Oct 7, 1980·13 cites·5 claims
- 1547US4229631AVacuum-type circuit breakerHITACHI LTD·Filed 1978·Granted Oct 21, 1980·5 cites·12 claims
- 1644US4547639AVacuum circuit breakerHITACHI LTD·Filed 1981·Granted Oct 15, 1985·5 cites·23 claims
- 1743US4091248AVacuum-type circuit breakerHITACHI LTD·Filed 1975·Granted May 23, 1978·4 cites·7 claims
- 1841US4478363AMethod of production of composite billet for fuel cladding tubeHITACHI LTD·Filed 1981·Granted Oct 23, 1984·7 cites·9 claims
- 1940US4231814AMethod of producing a vacuum circuit breakerHITACHI LTD·Filed 1979·Granted Nov 4, 1980·3 cites·10 claims
- 2037US4254548AMethod of fabricating electrode plate for supporting semiconductor deviceHITACHI LTD·Filed 1979·Granted Mar 10, 1981·7 cites·11 claims
- 2127US4253038ALight source excited by high frequency for Zeeman effect atomic absorption analysisHITACHI LTD·Filed 1978·Granted Feb 24, 1981·1 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →