Inventor · disambiguated record
Masato Kawai
Also filed as: KAWAI MASATO
39 granted patents·2 pending applications·937 citations·filing 1981–2016
98Inventor score
Top patents by PatentIndex Score
41 records- 0193US6916358B2Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogenTAIYO NIPPON SANSO CORP·Filed 2002·Granted Jul 12, 2005·71 cites·6 claims
- 0293US4754215ASelf-diagnosable integrated circuit device capable of testing sequential circuit elementsNEC CORP·Filed 1986·Granted Jun 28, 1988·90 cites·4 claims
- 0391US10363172B2Ophthalmic laser treatment apparatusNIDEK KK·Filed 2016·Granted Jul 30, 2019·17 cites·10 claims
- 0489US6048509AGas purifying process and gas purifying apparatusNIPPON OXYGEN CO LTD·Filed 1998·Granted Apr 11, 2000·97 cites·6 claims
- 0584US5561641AUnderwater detection system for determining carrier frequencies of signals arriving from a wide areaFURUNO ELECTRIC CO·Filed 1993·Granted Oct 1, 1996·94 cites·51 claims
- 0682US7897541B2Thermosensitive recording mediumOJI PAPER CO·Filed 2005·Granted Mar 1, 2011·4 cites·12 claims
- 0780US6471749B1Gas purification methodNIPPON OXYGEN CO LTD·Filed 2000·Granted Oct 29, 2002·47 cites·10 claims
- 0880US5701245ASuspension control systemTOYOTA JIDOSHA JABUSHIKI KAISH·Filed 1995·Granted Dec 23, 1997·56 cites·7 claims
- 0977US4916087AMethod of manufacturing a semiconductor device by filling and planarizing narrow and wide trenchesSHARP KK·Filed 1989·Granted Apr 10, 1990·49 cites·7 claims
- 1075US7931736B2Pre-purification unit of cryogenic air separation unit, hydrocarbon adsorbent, and method of pre-treating feed airTAIYO NIPPON SANSO CORP·Filed 2005·Granted Apr 26, 2011·6 cites·2 claims
- 1174US4894830ALSI chip with scanning circuitry for generating reversals along activated logical pathsNEC CORP·Filed 1988·Granted Jan 16, 1990·51 cites·4 claims
- 1273US7393349B2Ophthalmic laser treatment apparatusNIDEK KK·Filed 2006·Granted Jul 1, 2008·9 cites·7 claims
- 1373US5704964APressure swing adsorption processNIPPON OXYGEN CO LTD·Filed 1995·Granted Jan 6, 1998·49 cites·14 claims
- 1471US8597584B2Gas purifying process and deviceOHMI TADAHIRO·Filed 2010·Granted Dec 3, 2013·1 cites·3 claims
- 1571US5015272AAdsorptive separation processNIPPON OXYGEN CO LTD·Filed 1988·Granted May 14, 1991·44 cites·4 claims
- 1665US6923844B2Gas separation method and deviceTAIYO NIPPON SANSO CORP·Filed 2002·Granted Aug 2, 2005·13 cites·16 claims
- 1765US6752851B2Gas separating and purifying method and its apparatusNIPPON OXYGEN CO LTD·Filed 2001·Granted Jun 22, 2004·12 cites·10 claims
- 1864US8361058B2Laser treatment apparatusNIDEK KK·Filed 2009·Granted Jan 29, 2013·2 cites·10 claims
- 1964US7993431B2Gas purifier apparatus and method for gas purificationTAIYO NIPPON SANSO CORP·Filed 2006·Granted Aug 9, 2011·2 cites·5 claims
- 2063US8690990B2Method of purifying airNAKAMURA MORIMITSU·Filed 2010·Granted Apr 8, 2014·2 cites·4 claims
- 2163US7300497B2Gas separating methodTAIYO NIPPON SANSO CORP·Filed 2003·Granted Nov 27, 2007·12 cites·6 claims
- 2261US6955711B2Method and system for separating gasTAIYO NIPPON SANSO CORP·Filed 2002·Granted Oct 18, 2005·10 cites·8 claims
- 2359US6767386B2Method and apparatus for producing nitrogenNIPPON OXYGEN CO LTD·Filed 2002·Granted Jul 27, 2004·8 cites·4 claims
- 2459US4424581ALogic circuit with a test capabilityNIPPON ELECTRIC CO·Filed 1981·Granted Jan 3, 1984·15 cites·10 claims
- 2558US6660240B1Gas processing agent and manufacturing method therefor, gas purification method, gas purifier and gas purification apparatusN E CHEMCAT CORPORAITON·Filed 2000·Granted Dec 9, 2003·13 cites·16 claims
- 2657US6824588B2Apparatus and method for purifying air used in cryogenic air separationNIPPON OXYGEN CO LTD·Filed 2002·Granted Nov 30, 2004·11 cites·7 claims
- 2755US9510308B2LEX signal tracking method, positioning signal receiving method, LEX signal tracking program, positioning signal receiving program, LEX signal tracking device, positioning signal receiving device and mobile terminalWANG DUN·Filed 2011·Granted Nov 29, 2016·1 cites·9 claims
- 2854US8366806B2Pre-purification unit of cryogenic air separation unit, hydrocarbon adsorbent, and method of pre-treating feed airTAIYO NIPPON SANSO CORP·Filed 2010·Granted Feb 5, 2013·0 cites·3 claims
- 2954US5144945APortable oxygen-enriching air inhalerNIPPON OXYGEN CO LTD·Filed 1990·Granted Sep 8, 1992·89 cites·5 claims
- 3051US5985003AOxygen production process by pressure swing adsorption separationNIPPON OXYGEN CO LTD·Filed 1998·Granted Nov 16, 1999·21 cites·11 claims
- 3150US7749306B2Method of restarting feed air purifierTAIYO NIPPON SANSO CORP·Filed 2005·Granted Jul 6, 2010·0 cites·9 claims
- 3249US4696006AMethod of generating test patterns for logic network devicesNEC CORP·Filed 1985·Granted Sep 22, 1987·11 cites·13 claims
- 3348US5079188AMethod for the production of a semiconductor deviceSHARP KK·Filed 1989·Granted Jan 7, 1992·14 cites·3 claims
- 3446US2010115994A1Adsorbent for carbon monoxide, gas purification method, and gas purification apparatusHAYASHIDA MASAYOSHI·Filed 2008·Application pending·0 cites
- 3544US10966862B2Ophthalmic laser treatment apparatusNIDEK KK·Filed 2016·Granted Apr 6, 2021·0 cites·12 claims
- 3643US7744836B2Gas purifying process and deviceTAIYO NIPPON SANSO CORP·Filed 2003·Granted Jun 29, 2010·0 cites·2 claims
- 3742US6589493B2Gas purification-treating agents and gas purifying apparatusesNIPPON OXYGEN CO LTD·Filed 1998·Granted Jul 8, 2003·12 cites·10 claims
- 3841US7824474B2Molded Cu-ZSM5 zeolite adsorbent, method of activating the same, temperature swing adsorption apparatus, and method of purifying gasTAIYO NIPPON SANSO CORP·Filed 2006·Granted Nov 2, 2010·1 cites·6 claims
- 3940US9651302B2Purification method and purification apparatus for feed air in cryogenic air separationKAWAI MASATO·Filed 2006·Granted May 16, 2017·0 cites·11 claims
- 4037US2002014159A1Adsorbent, adsorption column and apparatus for pressure swing adsorption separationNIPPON OXYGEN CO LTD·Filed 2001·Application pending·0 cites
- 4135US5604176AHeat-sensitive recording materialNEW OJI PAPER CO LTD·Filed 1995·Granted Feb 18, 1997·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →