Inventor · disambiguated record
Shinji Tokumaru
Also filed as: TOKUMARU SHINJI
7 granted patents·2 pending applications·27 citations·filing 1995–2018
76Inventor score
Files withNIPPON STEEL CORP4NIPPON STEEL & SUMITOMO METAL CORP2NIPPON STEEL MATERIALS CO LTD2TOKUMARU SHINJI1
Top patents by PatentIndex Score
9 records- 0162US6395249B1Production process and apparatus for high purity siliconNIPPON STEEL CORP·Filed 1998·Granted May 28, 2002·24 cites·18 claims
- 0254US7455822B2Method for production of siliconNIPPON STEEL CORP·Filed 2003·Granted Nov 25, 2008·2 cites·20 claims
- 0351US7662356B2Method of refining SiNIPPON STEEL MATERIALS CO LTD·Filed 2006·Granted Feb 16, 2010·0 cites·8 claims
- 0449US10978988B2Selective emitter for thermophotovoltaic power generatorNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Apr 13, 2021·0 cites·10 claims
- 0546US8038973B2High purity silicon production system and production methodNIPPON STEEL MATERIALS CO LTD·Filed 2006·Granted Oct 18, 2011·0 cites·18 claims
- 0644US2019068108A1Thermophotovoltaic conversion memberNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 0742US10167199B2Method for manufacturing highly pure silicon, highly pure silicon obtained by this method, and silicon raw material for manufacturing highly pure siliconTOKUMARU SHINJI·Filed 2012·Granted Jan 1, 2019·0 cites·10 claims
- 0836US2021126152A1Light wavelength conversion member and method for producing same, photovoltaic module, and solar batteryNIPPON STEEL CORP·Filed 2018·Application pending·0 cites
- 0927US5523166AProcess for forming thin film having excellent insulating property and metallic substrate coated with insulating material formed by said processNIPPON STEEL CORP·Filed 1995·Granted Jun 4, 1996·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Shinji Tokumaru 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 →