Inventor · disambiguated record
Fumiyoshi Kawashiro
Also filed as: KAWASHIRO FUMIYOSHI
12 granted patents·17 pending applications·6 citations·filing 2006–2025
82Inventor score
Top patents by PatentIndex Score
29 records- 0175US11264348B2Semiconductor device having an ultrasonic bonding portion provided between a substrate and a semiconductor chipTOSHIBA KK·Filed 2020·Granted Mar 1, 2022·1 cites·13 claims
- 0273US9853005B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2015·Granted Dec 26, 2017·2 cites·6 claims
- 0362US7701061B2Semiconductor device with solder balls having high reliabilityNEC ELECTRONICS CORP·Filed 2006·Granted Apr 20, 2010·2 cites·7 claims
- 0459US8071472B2Semiconductor device with solder balls having high reliabilityKAWASHIRO FUMIYOSHI·Filed 2010·Granted Dec 6, 2011·1 cites·9 claims
- 0559US2025357411A1Semiconductor deviceTOSHIBA KK·Filed 2024·Application pending·0 cites
- 0656US12381132B2Semiconductor deviceTOSHIBA KK·Filed 2021·Granted Aug 5, 2025·0 cites·13 claims
- 0755US2024321665A1Semiconductor device and power conversion deviceTOSHIBA KK·Filed 2023·Application pending·0 cites
- 0855US2025374648A1Semiconductor device, power conversion apparatus, and method for manufacturing the sameTOSHIBA KK·Filed 2025·Application pending·0 cites
- 0955US2024105561A1Semiconductor deviceTOSHIBA KK·Filed 2023·Application pending·0 cites
- 1053US12154865B2Power semiconductor device including a semiconductor chipTOSHIBA KK·Filed 2022·Granted Nov 26, 2024·0 cites·19 claims
- 1153US2010105170A1Method for manufacturing a semiconductor device having a heat spreaderNEC ELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 1253US2025279388A1Semiconductor deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1352US12463117B2Semiconductor deviceTOSHIBA KK·Filed 2022·Granted Nov 4, 2025·0 cites·10 claims
- 1450US11923270B2Semiconductor deviceTOSHIBA KK·Filed 2021·Granted Mar 5, 2024·0 cites·6 claims
- 1550US11476223B2Semiconductor device and manufacturing method thereofTOSHIBA KK·Filed 2020·Granted Oct 18, 2022·0 cites·14 claims
- 1649US2025210503A1Semiconductor deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1749US2025210493A1Semiconductor deviceTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1849US2025210574A1Semiconductor device, power device, and power moduleTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1948US2018068964A1Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2017·Application pending·0 cites
- 2048US2013005090A1Method for manufacturing a semiconductor device having a heat spreaderSATO YUKO·Filed 2012·Application pending·0 cites
- 2147US2009230175A1Flux for soldering and method for manufacturing an electronic device using the sameNEC ELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 2246US2011104872A1Method of manufacturing a semiconductor device having a heat spreaderRENESAS ELECTRONICS CORP·Filed 2011·Application pending·0 cites
- 2344US11276629B2Semiconductor deviceTOSHIBA KK·Filed 2020·Granted Mar 15, 2022·0 cites·16 claims
- 2444US7944051B2Semiconductor device having external connection terminals and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2008·Granted May 17, 2011·0 cites·19 claims
- 2536US2019189584A1Semiconductor device and method for manufacturing the sameTOSHIBA KK·Filed 2018·Application pending·0 cites
- 2635US8232652B2Semiconductor deviceKAWASHIRO FUMIYOSHI·Filed 2011·Granted Jul 31, 2012·0 cites·10 claims
- 2735US2011237065A1Soldering flux and method for manufacturing a semiconductor device using the sameRENESAS ELECTRONICS CORP·Filed 2011·Application pending·0 cites
- 2835US2011215462A1Semiconductor device and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2011·Application pending·0 cites
- 2934US2011042802A1Semiconductor device, external connection terminal, method of manufacturing semiconductor device, and method of manufacturing external connection terminalNEC ELECTRONICS CORP·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Fumiyoshi Kawashiro 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 →