Inventor · disambiguated record
Sumio Morikawa
Also filed as: MORIKAWA SUMIO
19 granted patents·728 citations·filing 1991–1998
96Inventor score
Top patents by PatentIndex Score
19 records- 0190US5385311ABreaking equipmentOYODO KOMATSU·Filed 1993·Granted Jan 31, 1995·78 cites·8 claims
- 0289US5996465AOil pressure deviceOYODO KOMATSU·Filed 1998·Granted Dec 7, 1999·46 cites·1 claims
- 0389US5813086ACarpet cleaner and method for cleaning carpetsOYODO KOMATSU·Filed 1996·Granted Sep 29, 1998·116 cites·18 claims
- 0489US5619881ADouble-scissors cutterOYODO DIESEL KK·Filed 1995·Granted Apr 15, 1997·76 cites·3 claims
- 0583US5359775ASteel-material shearing machineOYODO DIESEL KK·Filed 1993·Granted Nov 1, 1994·53 cites·4 claims
- 0681US5671892AShearing machineOYODO DIESEL KK·Filed 1995·Granted Sep 30, 1997·49 cites·12 claims
- 0778US5146683AReinforcement cutterOYODO KOMATSU·Filed 1991·Granted Sep 15, 1992·47 cites·2 claims
- 0872US5626301ASteel material shearing machineOYODO DIESEL KK·Filed 1995·Granted May 6, 1997·34 cites·2 claims
- 0972US5339525AReinforcing steel shearOYODOKOMATSU CO LTD·Filed 1993·Granted Aug 23, 1994·33 cites·2 claims
- 1070US5301882AConcrete crusherOYODO DIESEL KK·Filed 1992·Granted Apr 12, 1994·33 cites·3 claims
- 1166US5769341AStabilized crushing deviceOYODO DIESEL KK·Filed 1997·Granted Jun 23, 1998·23 cites·20 claims
- 1265US5478019AUniversal breakerOYODO DIESEL KK·Filed 1993·Granted Dec 26, 1995·26 cites·6 claims
- 1360US5471747ASteel material shearing machineOYODO DIESEL KK·Filed 1993·Granted Dec 5, 1995·22 cites·2 claims
- 1455US5860214AShearing machine with sickle-shaped bladeOYODO DIESEL KK·Filed 1996·Granted Jan 19, 1999·22 cites·13 claims
- 1554US5669141AScissors type steel shearing apparatus with vertically displaced and angularly tilted shearing zones and transversely displaced interlocking portionsOYODO DIESEL KK·Filed 1995·Granted Sep 23, 1997·18 cites·9 claims
- 1646US5291657AShearing machine for steel materialOYODO DIESEL KK·Filed 1993·Granted Mar 8, 1994·14 cites·5 claims
- 1744US5743476AConcrete crusherOYODO KOMATSU·Filed 1997·Granted Apr 28, 1998·15 cites·2 claims
- 1844US5375329AHeavy duty shearOYODO DIESEL KK·Filed 1993·Granted Dec 27, 1994·14 cites·3 claims
- 1940US5749146AScissors type steel shearing apparatus with polygonal shearing bladesOYODO DIESEL KK·Filed 1995·Granted May 12, 1998·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →