Inventor · disambiguated record
Katsumasa Yamaguchi
Also filed as: YAMAGUCHI KATSUMASA
22 granted patents·6 pending applications·279 citations·filing 1984–2024
94Inventor score
Files withTOKYO ELECTRON LTD18MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7MITSUBISHI STEEL MFG1PANASONIC CORP1TANIGUCHI KOJI1
Top patents by PatentIndex Score
28 records- 0193US6886221B2Folding device and electronic equipment using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 3, 2005·108 cites·14 claims
- 0293US4701591AApparatus for processing multiple workpieces utilizing a single laser beam sourceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Oct 20, 1987·74 cites·5 claims
- 0379US7331724B2Camera-equipped portable deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 19, 2008·18 cites·26 claims
- 0475US7184275B2Electronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 27, 2007·22 cites·4 claims
- 0575US2024003002A1Tungsten Film-Forming Method, Film-Forming System and Storage MediumTOKYO ELECTRON LTD·Filed 2023·Application pending·0 cites
- 0673US7346375B2Rotating mechanism of biaxial hinge and portable telephone with the sameMITSUBISHI STEEL MFG·Filed 2004·Granted Mar 18, 2008·19 cites·11 claims
- 0771US8068806B2Portable terminal apparatusTANIGUCHI KOJI·Filed 2005·Granted Nov 29, 2011·4 cites·3 claims
- 0870US11802334B2Tungsten film-forming method, film-forming system and storage mediumTOKYO ELECTRON LTD·Filed 2021·Granted Oct 31, 2023·0 cites·16 claims
- 0968US2024295020A1Method and apparatus for embedding tungsten into recess formed on substrateTOKYO ELECTRON LTD·Filed 2024·Application pending·0 cites
- 1067US10870919B2Gas supply method and film forming methodTOKYO ELECTRON LTD·Filed 2018·Granted Dec 22, 2020·1 cites·5 claims
- 1163US10954593B2Tungsten film-forming method, film-forming system and storage mediumTOKYO ELECTRON LTD·Filed 2019·Granted Mar 23, 2021·0 cites·9 claims
- 1260US10829854B2Film forming methodTOKYO ELECTRON LTD·Filed 2018·Granted Nov 10, 2020·0 cites·12 claims
- 1358US11028479B2Method of forming filmTOKYO ELECTRON LTD·Filed 2018·Granted Jun 8, 2021·0 cites·5 claims
- 1456US11171004B2Film forming method and substrate processing systemTOKYO ELECTRON LTD·Filed 2019·Granted Nov 9, 2021·0 cites·11 claims
- 1555US11155923B2Gas supply device, gas supply method and film forming methodTOKYO ELECTRON LTD·Filed 2018·Granted Oct 26, 2021·0 cites·4 claims
- 1655US7623652B2Electronic device, input device, and portable electronic device using the samePANASONIC CORP·Filed 2004·Granted Nov 24, 2009·6 cites·5 claims
- 1754US11885015B2Deposition method and deposition apparatusTOKYO ELECTRON LTD·Filed 2022·Granted Jan 30, 2024·0 cites·10 claims
- 1854US11401609B2Film forming method and film forming systemTOKYO ELECTRON LTD·Filed 2019·Granted Aug 2, 2022·0 cites·14 claims
- 1953US4870289AApparatus for controlling relation in position between a photomask and a waferMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 26, 1989·20 cites·24 claims
- 2050US10784110B2Tungsten film forming method, film forming system and film forming apparatusTOKYO ELECTRON LTD·Filed 2019·Granted Sep 22, 2020·0 cites·39 claims
- 2148US7359506B2Opening and closing device and electronic equipment using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 15, 2008·3 cites·11 claims
- 2244US2020095683A1Film forming method and film forming apparatusTOKYO ELECTRON LTD·Filed 2019·Application pending·0 cites
- 2344US2022389569A1Deposition method and deposition apparatusTOKYO ELECTRON LTD·Filed 2022·Application pending·0 cites
- 2443US2021115560A1Film forming method, film forming system, and film forming apparatusTOKYO ELECTRON LTD·Filed 2019·Application pending·0 cites
- 2542US10316410B2Method of filling recesses in substrate with tungstenTOKYO ELECTRON LTD·Filed 2017·Granted Jun 11, 2019·0 cites·12 claims
- 2636US5025168AAlignment apparatus including three beams and three gratingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 18, 1991·4 cites·10 claims
- 2736US2019078207A1Gas supply apparatus and film forming apparatusTOKYO ELECTRON LTD·Filed 2018·Application pending·0 cites
- 2832US11236425B2Method of processing substrateTOKYO ELECTRON LTD·Filed 2018·Granted Feb 1, 2022·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Katsumasa Yamaguchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →