Inventor · disambiguated record
Akira Matsunaga
Also filed as: MATSUNAGA AKIRA
22 granted patents·180 citations·filing 1977–2019
94Inventor score
Top patents by PatentIndex Score
22 records- 0192US4747137ASpeech scramblerKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted May 24, 1988·95 cites·10 claims
- 0278US8067123B2Fuel cell system and shutdown method of the sameKUMADA MITSUNORI·Filed 2008·Granted Nov 29, 2011·4 cites·11 claims
- 0374US8304575B2Process for production of ether carboxylatesMATSUNAGA AKIRA·Filed 2008·Granted Nov 6, 2012·3 cites·16 claims
- 0464US6034261AProcess for the preparation of phosphoric monoesterKAO CORP·Filed 1999·Granted Mar 7, 2000·9 cites·5 claims
- 0556US11986773B2Membrane defect inspection method and membrane defect inspection deviceKUBOTA KK·Filed 2019·Granted May 21, 2024·0 cites·11 claims
- 0656US6478947B2Treatment method of waste oil or waste edible oilKOMEISHA CORP·Filed 2001·Granted Nov 12, 2002·12 cites·13 claims
- 0753US12246290B2Membrane filtration device and method for cleaning membrane filtration deviceKUBOTA KK·Filed 2019·Granted Mar 11, 2025·0 cites·3 claims
- 0853US11890581B2Membrane defect inspection method and membrane defect inspection deviceKUBOTA KK·Filed 2019·Granted Feb 6, 2024·0 cites·9 claims
- 0953US5545349ABleaching compositionKAO CORP·Filed 1994·Granted Aug 13, 1996·17 cites·14 claims
- 1048US9895858B2Sheet processing apparatus, method for controlling sheet processing apparatus, and storage mediumCANON KK·Filed 2015·Granted Feb 20, 2018·0 cites·6 claims
- 1148US8534662B2Image forming apparatus, control method therefor, and computer-readable mediumCANON KK·Filed 2012·Granted Sep 17, 2013·0 cites·8 claims
- 1248US6407277B1Process for the preparation of phosphoric monoesterKAO CORP·Filed 1995·Granted Jun 18, 2002·4 cites·5 claims
- 1347US8663858B2Fuel cell system and method for operating the sameONO YOSHITAKA·Filed 2008·Granted Mar 4, 2014·1 cites·17 claims
- 1447US4845239APhosphoric esters and process for preparing the sameKAO CORP·Filed 1987·Granted Jul 4, 1989·3 cites·2 claims
- 1547US4363678AExplosives having powdered ferrite magnet as a tracer dispersed therethrough and a method for producing the sameTOHOKU METAL IND·Filed 1980·Granted Dec 14, 1982·13 cites·14 claims
- 1640US7196213B2Process for producing phosphateKAO CORP·Filed 2003·Granted Mar 27, 2007·0 cites·19 claims
- 1740US4430664AGlass-moulded type semiconductor deviceHITACHI LTD·Filed 1980·Granted Feb 7, 1984·9 cites·1 claims
- 1839US8940933B2Method for producing polyoxyalkylene alkyl ether carboxylic acid and salt thereofSHIRASAWA TAKESHI·Filed 2010·Granted Jan 27, 2015·0 cites·16 claims
- 1936US5071585APhosphoric acid ester, process for preparing the same, and detergent composition containing the sameKAO CORP·Filed 1990·Granted Dec 10, 1991·5 cites·3 claims
- 2032US4985412APhosphoric acid ester, process for preparing the same, and detergent composition containing the sameKAO CORP·Filed 1988·Granted Jan 15, 1991·3 cites·3 claims
- 2130US4148056AGlass-encapsulated semiconductor device containing cylindrical stack of semiconductor pelletsHITACHI LTD·Filed 1977·Granted Apr 3, 1979·2 cites·8 claims
- 2229US5043424AModification method for peptides and proteins by reacting with a phosphoric acid esterKAO CORP·Filed 1988·Granted Aug 27, 1991·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →