Inventor
Masao Kawaguchi
Inventor
Osaka, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light18%
B82YSpecific uses or applications of nanostructures15%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
F02DControlling combustion engines9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G11BInformation storage based on relative movement between record carrier and transducer6%
H10DInorganic electric semiconductor devices6%
B08BCleaning in general3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
C02FTreatment of water, waste water, sewage, or sludge3%
PatentTitleYear
10,141,720Nitride semiconductor laser element20189,214,788'Semiconductor light emitting element'20158,472,491'Semiconductor laser device'20138,422,526'Semiconductor laser device and method for manufacturing the same'20138,173,264'Resin composition and metal laminate plate'20128,119,429'Method for fabricating nitride semiconductor laser device and nitride semiconductor laser device'20128,000,365'Semiconductor laser device'20116,913,685'Method of modifying the surface of plastic substrate'20056,744,070'Thin film transistor and liquid crystal display device'20046,461,445'Method of finishing glass substrate'20026,448,578'Thin-film transistor and liquid crystal display device'20026,048,466'Method of cleaning glass substrate for magnetic disk or semiconductor substrate'20004,694,809'Method and system for internal combustion engine oxygen sensor heating control with time smoothing'19874,626,337'Oxygen sensor'19864,611,562'Method and system for internal combustion engine oxygen sensor heating control which provide sensor heating limited for reliable operation'19864,569,748'Oxygen sensor'19864,563,991'Engine air/fuel ratio control method and system selectively providing feedback control or open loop control according to oxygen sensor heating condition'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1987Patents assigned to TOYOTA MOTOR CO LTD (5)· patent assignee history
1986Patents assigned to NIPPON DENSO CO (2)· patent assignee history
1986–1987Based in Toyota, JP· patent location history
2000–2005Based in Tokyo, JP· patent location history
2002–2004Patents assigned to SHARP KK (2)· patent assignee history
2002–2004Based in Taki-gun, JP· patent location history
2011–2018Patents assigned to PANASONIC CORP (4)· patent assignee history
2011–2018Based in Osaka, JP· patent location history
2012–2013Patents assigned to KAWAGUCHI MASAO (4)· patent assignee history
2012Based in Kisarazu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYOTA MOTOR CO LTD | 5 | 1986–1987 |
| KAWAGUCHI MASAOself | 4 | 2012–2013 |
| PANASONIC CORP | 4 | 2011–2018 |
| NIPPON DENSO CO | 2 | 1986 |
| SHARP KK | 2 | 2002–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 6 | 2011–2018 |
| Toyota, JP | 5 | 1986–1987 |
| Tokyo, JP | 3 | 2000–2005 |
| Taki-gun, JP | 2 | 2002–2004 |
| Kisarazu, JP | 1 | 2012 |