Inventor · disambiguated record
Tatsuo Iwai
Also filed as: IWAI TATSUO
15 granted patents·2 pending applications·158 citations·filing 1990–2015
91Inventor score
Files withMITSUBISHI GAS CHEMICAL CO11ISHIHARA Emi1ISUBAKIMOTO PRECISION PRODUCTS1SUGIMOTO KEN1TSUBAKI NAKASHIMA CO LTD1
Top patents by PatentIndex Score
17 records- 0182US9199778B2Oxygen absorbing resin composition, oxygen absorbing multilayered body, and oxygen absorbing hollow containerMITSUBISHI GAS CHEMICAL CO·Filed 2012·Granted Dec 1, 2015·4 cites·32 claims
- 0281US6004477AOxygen absorption compositionMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted Dec 21, 1999·50 cites·24 claims
- 0373US6248258B1Oxygen absorbentMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Jun 19, 2001·32 cites·3 claims
- 0463US7947197B2Moisture-resistant deoxidantMITSUBISHI GAS CHEMICAL CO·Filed 2005·Granted May 24, 2011·0 cites·8 claims
- 0563US6039892AOxygen absorbent compositionMITSUBISHI GAS CHEMICAL CO·Filed 1999·Granted Mar 21, 2000·22 cites·8 claims
- 0657US5438108AGraft precursor and process for producing grafted aromatic polycarbonate resinMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Aug 1, 1995·12 cites·4 claims
- 0753US2005034599A1Oxygen absorber composition, oxygen absorber packaging and oxygen absorption methodFiled 2004·Application pending·0 cites
- 0852US5950469AMethod and equipment for surface-hardening treatment of steel balls for a ball bearingTSUBAKI NAKASHIMA CO LTD·Filed 1998·Granted Sep 14, 1999·17 cites·22 claims
- 0949US9567146B2Process for producing oxygen absorbing agentMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Feb 14, 2017·0 cites·8 claims
- 1046US9387973B2Oxygen absorbing agentMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Jul 12, 2016·0 cites·13 claims
- 1146US9315383B2Oxygen absorbing agent and method for storing the sameISHIHARA Emi·Filed 2012·Granted Apr 19, 2016·0 cites·18 claims
- 1246US5353550ASteel ball polishing apparatusISUBAKIMOTO PRECISION PRODUCTS·Filed 1994·Granted Oct 11, 1994·12 cites·12 claims
- 1342US10081480B2ContainerMITSUBISHI GAS CHEMICAL CO·Filed 2015·Granted Sep 25, 2018·0 cites·12 claims
- 1442US2006163534A1Oxygen scavenger compositionSUGIMOTO KEN·Filed 2002·Application pending·0 cites
- 1534US6045743AMethod for drying resin-used electronic partsMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted Apr 4, 2000·6 cites·8 claims
- 1629US5315791ASteel ball machining apparatus capable of eliminating foreign matterTSUBAKIMOTO PRECISION PROD·Filed 1992·Granted May 31, 1994·1 cites·2 claims
- 1729US5034492ASulfur-containing aromatic vinyl compound, crosslinked polymer articles and lensMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Jul 23, 1991·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →