Inventor · disambiguated record
Natsuo Tatsumi
Also filed as: TATSUMI NATSUO
29 granted patents·6 pending applications·42 citations·filing 2001–2025
93Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES30NAT INST OF ADVANCED IND SCINE1NISSIN ELECTRIC CO LTD1SEIKO EPSON CORP1SUMITOMO ELECTRIC HARDMETAL CORP1
Top patents by PatentIndex Score
35 records- 0194US7710013B2Electron emitting device with projection comprising base portion and electron emission portionSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted May 4, 2010·19 cites·14 claims
- 0278US2025223720A1Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 2025·Application pending·0 cites
- 0377US12286726B2Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Apr 29, 2025·0 cites·1 claims
- 0477US11692264B2Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jul 4, 2023·0 cites·2 claims
- 0577US10822693B2Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Nov 3, 2020·1 cites·12 claims
- 0671US12461173B2Diamond magneto-optical sensorSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Nov 4, 2025·0 cites·18 claims
- 0771US11371139B2Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jun 28, 2022·0 cites·5 claims
- 0871US11359275B2Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jun 14, 2022·0 cites·2 claims
- 0971US7307377B2Electron emitting device with projection comprising base portion and electron emission portionSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Dec 11, 2007·7 cites·4 claims
- 1068US10287708B2Single-crystal diamond material, single-crystal diamond chip, and perforated toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted May 14, 2019·0 cites·16 claims
- 1167US10774442B2Single-crystal diamond material, single-crystal diamond chip, and perforated toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Sep 15, 2020·0 cites·7 claims
- 1266US12449457B2Diamond sensor unitSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 21, 2025·0 cites·5 claims
- 1366US7902734B2Electron emission element and electron emission element fabrication methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Mar 8, 2011·1 cites·6 claims
- 1464US6710513B2Surface acoustic wave device and substrate thereofSEIKO EPSON CORP·Filed 2001·Granted Mar 23, 2004·9 cites·16 claims
- 1563US11518680B2Body obtained by processing solid carbon-containing material, producing method thereof, and producing apparatus thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Dec 6, 2022·0 cites·19 claims
- 1661US10584428B2Method of manufacturing diamond, diamond, diamond composite substrate, diamond joined substrate, and toolSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Mar 10, 2020·0 cites·3 claims
- 1756US9403215B2Cutting tool and method for producing sameTATSUMI NATSUO·Filed 2012·Granted Aug 2, 2016·1 cites·14 claims
- 1855US12215438B2Single-crystal diamond and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Feb 4, 2025·0 cites·11 claims
- 1955US10316430B2Single crystal diamond, method for manufacturing single crystal diamond, and tool containing single crystal diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jun 11, 2019·0 cites·11 claims
- 2055US2025129480A1Film forming device and film forming methodNISSIN ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2154US10487395B2Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Nov 26, 2019·0 cites·6 claims
- 2253US11007558B2Diamond dieSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2016·Granted May 18, 2021·0 cites·11 claims
- 2353US10697058B2Single-crystal diamond, method of producing same, tool including single-crystal diamond, and component including single-crystal diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Jun 30, 2020·0 cites·13 claims
- 2451US11001938B2Diamond composite body, substrate, diamond, tool including diamond, and method for manufacturing diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted May 11, 2021·0 cites·6 claims
- 2550US11629104B2Body obtained by processing solid carbon-containing material and producing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Apr 18, 2023·0 cites·12 claims
- 2650US6794683B2Diamond substrate having piezoelectric thin film, and method for manufacturing itSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Sep 21, 2004·4 cites·17 claims
- 2750US2024175945A1Diamond magneto-optical sensorSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 2849US10569317B2Single-crystal diamond, tool using same, and method of producing single-crystal diamondSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Feb 25, 2020·0 cites·12 claims
- 2949US2024111008A1Diamond sensor unit and diamond sensor systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 3047US10737943B2Single-crystal diamond, method for manufacturing single-crystal diamond, and chemical vapor deposition device used in sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Aug 11, 2020·0 cites·10 claims
- 3146US7323812B2Process for producing diamond electron emission element and electron emission elementSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jan 29, 2008·0 cites·4 claims
- 3245US7391145B2Cold-cathode electron source, microwave tube using it, and production method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Jun 24, 2008·0 cites·3 claims
- 3345US2009050899A1High-output diamond semiconductor elementNAT INST OF ADVANCED IND SCINE·Filed 2008·Application pending·0 cites
- 3441US2006244352A1Diamond electron emitter and electron beam source using sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 3535US7432521B2Logical operation element field emission emitter and logical operation circuitSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Oct 7, 2008·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →