Inventor · disambiguated record
Tsutomu Fukushima
Also filed as: FUKUSHIMA TSUTOMU
11 granted patents·75 citations·filing 1980–2017
89Inventor score
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11 records- 0181US9486362B2Ring-shaped deviceSHIKAMURA YUKO·Filed 2009·Granted Nov 8, 2016·6 cites·6 claims
- 0270US11119338B2Soft contact lens and method for suppressing attachment of soft contact lens onto corneaSEED CO LTD·Filed 2017·Granted Sep 14, 2021·1 cites·15 claims
- 0369US4894946AOtter boardNICHIMO KK·Filed 1988·Granted Jan 23, 1990·24 cites·24 claims
- 0458US4414026AMethod for the production of ferrochromiumNIPPON KOKAN KK·Filed 1982·Granted Nov 8, 1983·10 cites·7 claims
- 0549US9921419B2Annular deviceSEED CO LTD·Filed 2014·Granted Mar 20, 2018·0 cites·8 claims
- 0646US4889697AMethod of refining ferrous ion-containing acid solutionNIPPON KOKAN KK·Filed 1988·Granted Dec 26, 1989·9 cites·11 claims
- 0743US5267408AOtter boardNICHIMO KK·Filed 1991·Granted Dec 7, 1993·12 cites·15 claims
- 0838US4515352ARotary furnace used for the production of ferrochromiumNIPPON KOKAN KK·Filed 1983·Granted May 7, 1985·4 cites·8 claims
- 0931US4378993AMethod and apparatus for measuring height level of melting zone in blast furnaceNIPPON KOKAN KK·Filed 1980·Granted Apr 5, 1983·3 cites·8 claims
- 1030US4412862AMethod for the production of ferrochromiumNIPPON KOKAN KK·Filed 1982·Granted Nov 1, 1983·2 cites·7 claims
- 1126US6084903AMethod for melting incineration residue and apparatus thereforNIPPON KOKAN KK·Filed 1997·Granted Jul 4, 2000·4 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →