Inventor · disambiguated record
Tadashi Kawashima
Also filed as: KAWASHIMA TADASHI · KAWASHIMA TADASHI R
15 granted patents·2 pending applications·61 citations·filing 1975–2023
89Inventor score
Files withSUMCO CORP5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4ROLAND DG CORP3KAWASHIMA TADASHI2SEIKO INSTR & ELECTRONICS1
Top patents by PatentIndex Score
17 records- 0181US9755022B2Epitaxial silicon wafer having reduced stacking faultsSUMCO CORP·Filed 2015·Granted Sep 5, 2017·4 cites·3 claims
- 0276US9425264B2Method for growing an epitaxial film on a phosphorous-doped silicon waferSUMCO CORP·Filed 2013·Granted Aug 23, 2016·4 cites·9 claims
- 0376US4006944ASpindle device having bearings lubricated with oil jetSEIKO INSTR & ELECTRONICS·Filed 1975·Granted Feb 8, 1977·26 cites·8 claims
- 0472US10253429B2Method for manufacturing epitaxial silicon waferSUMCO CORP·Filed 2016·Granted Apr 9, 2019·2 cites·5 claims
- 0560US8956927B2Method of manufacturing epitaxial silicon wafer and epitaxial silicon wafer manufactured by the methodSUMCO TECHXIV CORP·Filed 2013·Granted Feb 17, 2015·1 cites·8 claims
- 0656US2005118616A1Amplification of target nucleotide sequence without polymerase chain reactionFiled 2004·Application pending·0 cites
- 0754US2024220174A1Processing system and display methodROLAND DG CORP·Filed 2023·Application pending·0 cites
- 0849US10005196B2Cutting apparatusROLAND DG CORP·Filed 2016·Granted Jun 26, 2018·0 cites·16 claims
- 0944US4998106AReference voltage regulation apparatus for an automatic gain control systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Mar 5, 1991·10 cites·8 claims
- 1039US9902165B2Ink supply system and inkjet printerROLAND DG CORP·Filed 2017·Granted Feb 27, 2018·0 cites·11 claims
- 1138US11462409B2Epitaxial silicon wafer, and method for manufacturing epitaxial silicon waferSUMCO CORP·Filed 2017·Granted Oct 4, 2022·0 cites·2 claims
- 1237US10867791B2Method for manufacturing epitaxial silicon wafer and epitaxial silicon waferSUMCO CORP·Filed 2018·Granted Dec 15, 2020·0 cites·3 claims
- 1336US8659020B2Epitaxial silicon wafer and method for manufacturing sameKAWASHIMA TADASHI·Filed 2010·Granted Feb 25, 2014·0 cites·12 claims
- 1435US5363384AAudio signal demodulation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Nov 8, 1994·8 cites·6 claims
- 1532US8420514B2Epitaxial silicon wafer and method for manufacturing sameKAWASHIMA TADASHI·Filed 2010·Granted Apr 16, 2013·0 cites·7 claims
- 1632US5163053AAudio signal demodulation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Nov 10, 1992·3 cites·4 claims
- 1731US5121212AAudio signal demodulating circuit with reduced power consumptionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jun 9, 1992·3 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Tadashi Kawashima 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 →