Inventor · disambiguated record
Tamotsu Yamashita
Also filed as: YAMASHITA TAMOTSU
18 granted patents·280 citations·filing 1994–2023
95Inventor score
Top patents by PatentIndex Score
18 records- 0193US12215439B2SiC epitaxial waferRESONAC CORP·Filed 2023·Granted Feb 4, 2025·1 cites·5 claims
- 0293US11866846B2SiC substrate and SiC epitaxial waferRESONAC CORP·Filed 2023·Granted Jan 9, 2024·2 cites·21 claims
- 0386US8118331B2Non-bolt joint structure and method for producing non-bolt joint structureYAMASHITA TAMOTSU·Filed 2008·Granted Feb 21, 2012·24 cites·11 claims
- 0484US6328947B1Method for producing fine particles of metal oxideSHOWA DENKO KK·Filed 1998·Granted Dec 11, 2001·51 cites·7 claims
- 0581US6308726B2Valve insertion method and cutting toolSUIKEN CO LTD·Filed 2001·Granted Oct 30, 2001·23 cites·5 claims
- 0679US6622747B2Cutting, valve insertion and corrosion-resistant works without fluid supply interruptionSUIKEN CO LTD·Filed 2001·Granted Sep 23, 2003·24 cites·1 claims
- 0772US6283446B1Gate valve systemSUIKEN TECHNOLOGY CO LTD·Filed 2000·Granted Sep 4, 2001·20 cites·4 claims
- 0866US6615859B2Fluid supply interruption free method of constructionSUIKEN CO LTD·Filed 2001·Granted Sep 9, 2003·15 cites·5 claims
- 0966US6221489B1Carbonaceous fiber acute-angled at both ends and production process thereforSHOWA DENKO KK·Filed 1999·Granted Apr 24, 2001·16 cites·6 claims
- 1065US5431453APipe coupling arrangementSUIKEN TECHNOLOGY CO LTD·Filed 1994·Granted Jul 11, 1995·34 cites·6 claims
- 1162US8402992B2Branching unit for boring without stopping passage of fluidYAMASHITA TAMOTSU·Filed 2009·Granted Mar 26, 2013·4 cites·15 claims
- 1262US6470907B1Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluidSUIKEN CO LTD·Filed 1998·Granted Oct 29, 2002·25 cites·34 claims
- 1359US8156959B2Branching unit for boring without stopping passage of fluidYAMASHITA TAMOTSU·Filed 2008·Granted Apr 17, 2012·3 cites·13 claims
- 1458US7465499B2Boron phosphide-based semiconductor device, production method thereof, light-emitting diode and boron phosphide-based semiconductor layerSHOWA DENKO KK·Filed 2003·Granted Dec 16, 2008·6 cites·8 claims
- 1555USD398504SApparatus for advancing axially aligned pipes telescopically into or out of engagementSUIKEN TECH CO LTD·Filed 1997·Granted Sep 22, 1998·11 cites·1 claims
- 1653US6357471B1Valve insertion method and cutting toolSULKEN CO LTD·Filed 1999·Granted Mar 19, 2002·15 cites·6 claims
- 1748US7198733B2Formed substrate used for solid electrolytic capacitor, production method thereof and solid electrolytic capacitor using the substrateSHOWA DENKO KK·Filed 2002·Granted Apr 3, 2007·6 cites·21 claims
- 1832US6527988B1Process of making carbon fiber with sharp endsSHOWA DENKO KK·Filed 2000·Granted Mar 4, 2003·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →