Inventor · disambiguated record
Hisashi Matsumura
Also filed as: MATSUMURA HISASHI
11 granted patents·6 pending applications·231 citations·filing 1973–2024
91Inventor score
Files withHITACHI LTD8GLOBALWAFERS JAPAN CO LTD3KINOTECH SOLAR ENERGY CORP2GLOBAL WAFERS JAPAN CO LTD1HONSHU PAPER COMPANY LTD1
Top patents by PatentIndex Score
17 records- 0181US3984898AMultilayer fibrous structuresHONSHU PAPER COMPANY LTD·Filed 1973·Granted Oct 12, 1976·37 cites·6 claims
- 0270US4769807ALoop back control systemHITACHI LTD·Filed 1987·Granted Sep 6, 1988·38 cites·7 claims
- 0369US4435704ALoop transmission systemHITACHI LTD·Filed 1982·Granted Mar 6, 1984·29 cites·14 claims
- 0467US5046039ABuffer management systemHITACHI LTD·Filed 1988·Granted Sep 3, 1991·33 cites·14 claims
- 0561US4558428AData transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving stationHITACHI LTD·Filed 1982·Granted Dec 10, 1985·22 cites·6 claims
- 0660US8673748B2Method for fabricating semiconductor thin film using substrate irradiated with focused light, apparatus for fabricating semiconductor thin film using substrate irradiated with focused light, method for selectively growing semiconductor thin film using substrate irradiated with focused light, and semiconductor element using substrate irradiated with focused lightMATSUMURA HISASHI·Filed 2010·Granted Mar 18, 2014·2 cites·9 claims
- 0759US2024339315A1Method of manufacturing silicon wafersGLOBALWAFERS JAPAN CO LTD·Filed 2024·Application pending·0 cites
- 0857US12371813B2Silicon wafer and method for producing silicon waferGLOBALWAFERS JAPAN CO LTD·Filed 2021·Granted Jul 29, 2025·0 cites·4 claims
- 0954US5594426ANetwork station and network management systemHITACHI LTD·Filed 1994·Granted Jan 14, 1997·31 cites·23 claims
- 1051US2025051961A1Method of manufacturing silicon epitaxial substrate and silicon epitaxial substrateGLOBALWAFERS JAPAN CO LTD·Filed 2022·Application pending·0 cites
- 1150US2024304458A1Method for manufacturing silicon wafer and silicon waferGLOBAL WAFERS JAPAN CO LTD·Filed 2022·Application pending·0 cites
- 1249US2010258436A1Electrolysis apparatusKINOTECH SOLAR ENERGY CORP·Filed 2008·Application pending·0 cites
- 1345US2010247416A1Silicon manufacturing apparatus and related methodKINOTECH SOLAR ENERGY CORP·Filed 2008·Application pending·0 cites
- 1442US4984233AMethod and apparatus for testing station address in networkHITACHI LTD·Filed 1990·Granted Jan 8, 1991·16 cites·11 claims
- 1540US6845096B1Web phone dialer system apparatus and methodHITACHI LTD·Filed 1998·Granted Jan 18, 2005·14 cites·20 claims
- 1635US2002056131A1Data distribution device and methodFiled 2001·Application pending·0 cites
- 1729US5351040AControl system for configuring ring LAN with improved reconfiguration operationHITACHI LTD·Filed 1991·Granted Sep 27, 1994·9 cites·6 claims
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