Inventor · disambiguated record
Toshihiko Sumida
Also filed as: SUMIDA TOSHIHIKO
10 granted patents·3 pending applications·69 citations·filing 1990–2012
86Inventor score
Files withSUMITOMO SEIKA CHEMICALS5UBE INDUSTRIES3SUMIDA TOSHIHIKO1SUMITOMO SEIKO CHEMICALS CO LTD1TAKATA YOSHINORI1
Top patents by PatentIndex Score
13 records- 0182US8690972B2Hydrogen production system and reforming apparatusTAKATA YOSHINORI·Filed 2005·Granted Apr 8, 2014·12 cites·12 claims
- 0281US5093505ANovel heterocyclic compound, carcinostatic agent, and carcinoma controlling methodWAKUNAGA SEIYAKU KK·Filed 1990·Granted Mar 3, 1992·25 cites·6 claims
- 0364US5648510AProcess for preparation of diaryl carbonateUBE INDUSTRIES·Filed 1996·Granted Jul 15, 1997·10 cites·16 claims
- 0458US6913638B2Method for separating hydrogen gasSUMITOMO SEIKA CHEMICALS·Filed 2001·Granted Jul 5, 2005·9 cites·8 claims
- 0558US5892091ACatalyst for decarbonylation reactionUBE INDUSTRIES·Filed 1997·Granted Apr 6, 1999·7 cites·12 claims
- 0657US8480770B2Hydrogen production system and method of controlling flow rate of offgas in the systemSUMITOMO SEIKA CHEMICALS·Filed 2012·Granted Jul 9, 2013·0 cites·4 claims
- 0757US5536888AProcess for producing diol compoundsUBE INDUSTRIES·Filed 1994·Granted Jul 16, 1996·6 cites·18 claims
- 0849US8298305B2Hydrogen production system and method of controlling flow rate of offgas in the systemSUMIDA TOSHIHIKO·Filed 2007·Granted Oct 30, 2012·0 cites·8 claims
- 0945US2010000408A1Hydrogen gas separation method and separation apparatusSUMITOMO SEIKA CHEMICALS·Filed 2007·Application pending·0 cites
- 1039US7438746B2Off-gas feed method and target gas purification systemSUMITOMO SEIKA CHEMICALS·Filed 2004·Granted Oct 21, 2008·0 cites·10 claims
- 1138US2005268780A1Method of separating target gasSUMITOMO SEIKA CHEMICALS·Filed 2003·Application pending·0 cites
- 1235US8048177B2Method for treatment of drain in hydrogen production and hydrogen production systemSUMITOMO SEIKO CHEMICALS CO LTD·Filed 2007·Granted Nov 1, 2011·0 cites·7 claims
- 1335US2004069143A1Method and device for separating object gasFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →