Inventor · disambiguated record
Tatsuya Naito
Also filed as: NAITO TATSUYA
109 granted patents·29 pending applications·224 citations·filing 1996–2025
99Inventor score
Files withFUJI ELECTRIC CO LTD115KONICA MINOLTA INC4FUJI ELECTRIC HOLDINGS3HONDA MOTOR CO LTD3SUMITOMO CHEMICAL CO3
Top patents by PatentIndex Score
138 records- 0198US11430784B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2021·Granted Aug 30, 2022·4 cites·11 claims
- 0298US11094810B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Aug 17, 2021·4 cites·9 claims
- 0393US10236677B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Mar 19, 2019·6 cites·14 claims
- 0493US9406666B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Aug 2, 2016·9 cites·20 claims
- 0592US9120672B2Selective hydrogen adding equipment for living organism applicable fluidSATOH FUMITAKE·Filed 2012·Granted Sep 1, 2015·13 cites·8 claims
- 0691US10418441B2Semiconductor device and method for manufacturing the semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Sep 17, 2019·7 cites·18 claims
- 0791US9929260B2IGBT semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Mar 27, 2018·7 cites·25 claims
- 0890US10847640B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Nov 24, 2020·3 cites·39 claims
- 0989US11031471B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Jun 8, 2021·2 cites·14 claims
- 1087US12206016B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Granted Jan 21, 2025·0 cites·19 claims
- 1187US10714603B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Jul 14, 2020·4 cites·11 claims
- 1287US10529814B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Jan 7, 2020·4 cites·12 claims
- 1387US10121866B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted Nov 6, 2018·4 cites·27 claims
- 1487US10050105B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Aug 14, 2018·5 cites·13 claims
- 1587US9559171B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Jan 31, 2017·5 cites·25 claims
- 1687US2024371860A1Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1786US11094808B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2019·Granted Aug 17, 2021·4 cites·34 claims
- 1886US10643992B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2019·Granted May 5, 2020·4 cites·9 claims
- 1986US10319808B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Jun 11, 2019·4 cites·24 claims
- 2084US11923444B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Granted Mar 5, 2024·0 cites·20 claims
- 2184US11532737B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Dec 20, 2022·4 cites·14 claims
- 2284US10797045B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Oct 6, 2020·3 cites·9 claims
- 2384US10629685B2RC-IGBT and manufacturing method thereofFUJI ELECTRIC CO LTD·Filed 2018·Granted Apr 21, 2020·3 cites·15 claims
- 2484US9881916B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Jan 30, 2018·4 cites·9 claims
- 2583US12224319B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Granted Feb 11, 2025·0 cites·22 claims
- 2683US12080707B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Granted Sep 3, 2024·0 cites·16 claims
- 2783US11476249B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Oct 18, 2022·1 cites·15 claims
- 2883US10056370B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Aug 21, 2018·3 cites·12 claims
- 2982US9905555B2Semiconductor device and semiconductor device manufacturing methodFUJI ELECTRIC CO LTD·Filed 2016·Granted Feb 27, 2018·3 cites·10 claims
- 3081US11239355B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2019·Granted Feb 1, 2022·3 cites·11 claims
- 3181US10600867B2Semiconductor device having an emitter region and a contact region inside a mesa portionFUJI ELECTRIC CO LTD·Filed 2018·Granted Mar 24, 2020·3 cites·20 claims
- 3281US10297660B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted May 21, 2019·3 cites·4 claims
- 3381US7157785B2Semiconductor device, the method of manufacturing the same, and two-way switching device using the semiconductor devicesFUJI ELEC DEVICE TECH CO LTD·Filed 2004·Granted Jan 2, 2007·23 cites·13 claims
- 3480US11735584B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2022·Granted Aug 22, 2023·0 cites·25 claims
- 3580US2024429234A1Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 3679US10559663B2Semiconductor device with improved current flow distributionFUJI ELECTRIC CO LTD·Filed 2017·Granted Feb 11, 2020·2 cites·26 claims
- 3779US2025159915A1Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 3879US2024347586A1Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 3978US10847617B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Nov 24, 2020·1 cites·17 claims
- 4078US10636877B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted Apr 28, 2020·2 cites·31 claims
- 4178US10256229B2Semiconductor device and manufacturing methodFUJI ELECTRIC CO LTD·Filed 2017·Granted Apr 9, 2019·2 cites·21 claims
- 4278US9502546B2Semiconductor device and semiconductor device manufacturing methodFUJI ELECTRIC CO LTD·Filed 2015·Granted Nov 22, 2016·2 cites·2 claims
- 4377US11810952B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2022·Granted Nov 7, 2023·0 cites·23 claims
- 4477US10256303B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Apr 9, 2019·2 cites·18 claims
- 4576US10651299B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted May 12, 2020·2 cites·21 claims
- 4676US10559682B2Semiconductor apparatus and semiconductor apparatus manufacturing methodFUJI ELECTRIC CO LTD·Filed 2018·Granted Feb 11, 2020·2 cites·19 claims
- 4776US10186608B2Semiconductor apparatusFUJI ELECTRIC CO LTD·Filed 2017·Granted Jan 22, 2019·2 cites·17 claims
- 4875US12087765B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2022·Granted Sep 10, 2024·0 cites·22 claims
- 4975US11552185B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Jan 10, 2023·0 cites·26 claims
- 5075US10930647B2Semiconductor device including trenches formed in transistor or diode portionsFUJI ELECTRIC CO LTD·Filed 2018·Granted Feb 23, 2021·1 cites·25 claims
Showing the top 50 of 138 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tatsuya Naito 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 →