Inventor · disambiguated record
Keigo Watanabe
Also filed as: WATANABE KEIGO
14 granted patents·1 pending application·118 citations·filing 1989–2019
91Inventor score
Files withJUJO PAPER CO LTD5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3GOTO SHISEI2KUROSU KAZUHIRO2ASAHI GLASS CO LTD1
Top patents by PatentIndex Score
15 records- 0195US5136972ACoating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Aug 11, 1992·46 cites·8 claims
- 0286US7727355B2Methods for producing recycled pulp and methods for modifying pulp fiber surfaces using liquid jet cavitationJUJO PAPER CO LTD·Filed 2004·Granted Jun 1, 2010·17 cites·16 claims
- 0376US7967947B2Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paperJUJO PAPER CO LTD·Filed 2006·Granted Jun 28, 2011·6 cites·6 claims
- 0469US7056418B2Cooking method for pulpJUJO PAPER CO LTD·Filed 2001·Granted Jun 6, 2006·4 cites·37 claims
- 0566US6585880B1Method for recovering chemicals in a process of producing pulp by kraft processJUJO PAPER CO LTD·Filed 2000·Granted Jul 1, 2003·3 cites·10 claims
- 0662US5145528ACoating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Sep 8, 1992·19 cites·3 claims
- 0761US6517699B2Method for producing polysulfides by means of electrolytic oxidationASAHI GLASS CO LTD·Filed 2001·Granted Feb 11, 2003·4 cites·26 claims
- 0860US9145642B2Cooking process of lignocellulose materialKUROSU KAZUHIRO·Filed 2010·Granted Sep 29, 2015·1 cites·11 claims
- 0958US5045358ACoating head assembly and coating methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Sep 3, 1991·16 cites·6 claims
- 1057US7384502B2Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightnessJUJO PAPER CO LTD·Filed 2003·Granted Jun 10, 2008·2 cites·14 claims
- 1151US8088254B2Methods for producing recycled pulp, methods for modifying pulp fiber surfaces and dirts, as well as pulp processing equipmentsGOTO SHISEI·Filed 2010·Granted Jan 3, 2012·0 cites·13 claims
- 1250US8784608B2Methods for beating pulp, methods for treating process waters, and methods for producing pulp and paperGOTO SHISEI·Filed 2011·Granted Jul 22, 2014·0 cites·11 claims
- 1347US2009242422A1Method for recovering performance of electrolyzer for use in production of polysulfide and method for stopping holding electrolyzerKUROSU KAZUHIRO·Filed 2009·Application pending·0 cites
- 1441US10801483B2Rolling cylinder displacement compressorHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2019·Granted Oct 13, 2020·0 cites·10 claims
- 1538US8123909B2Apparatus for treating papermaking feedstockONODERA ISAO·Filed 2006·Granted Feb 28, 2012·0 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →