Inventor
Naoto Miwa
Inventor
Tsushima, JP
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
C04BLime, magnesia10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
H05BElectric heating6%
Y10TTechnical subjects covered by former us classification6%
B01DSeparation4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
H01CResistors4%
Y02TClimate change mitigation technologies related to transportation4%
PatentTitleYear
7,594,536'EGR cooler'20096,951,601'Oxygen concentration detector'20056,332,965'Composite gas sensor'20016,254,926'Method of producing oxygen sensor element'20016,174,489'Method for manufacturing a gas sensor unit'20016,110,348'NOx sensor and manufacturing method of the same'20006,055,972'Air fuel ratio control apparatus having air-fuel ratio control point switching function'20005,969,229'Lead wire for sensor'19995,948,225'Oxygen sensor element'19995,935,399'Air-fuel ratio sensor'19995,900,129'Oxygen concentration sensor'19995,800,689'Oxygen concentration detector'19985,787,866'Air-fuel ratio sensor'19985,766,434'Oxygen concentration detecting device and method for fabricating the same'19985,766,672'Method of manufacturing an oxygen concentration detector element'19985,729,189'Positive TCR thermistor device having surface roughness and filling oil for high heat transfer characteristics'19985,716,507'Oxygen sensor element'19985,707,503'Oxygen sensor element'19985,609,825'Oxygen sensor'19974,834,052'Internal combustion engine having air/fuel mixture with anti-reducing semiconducting porcelain having a positive temperature coefficient of resistance and method for using such porcelain for heating air/fuel mixture'19894,831,432'Positive ceramic semiconductor device'19894,716,279'Self-temperature controlling type heating device'19874,685,437'Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage'19874,671,058'Heating device'19874,632,683'Exhaust gas purifying filter and production of the same'19864,519,820'Fitter apparatus for purifying exhaust gases'19854,448,833'Porous ceramic body and a method of manufacturing the same'19844,438,199'Measuring composition'19844,435,512'Process for producing cordierite ceramic products'19844,401,967'Gas sensor'19834,352,881'Method of measuring creatine kinase activity'19824,315,988'Thermophilic collagenases, thermophilic bacteria capable of producing thermophilic collagenases, and process for producing said collagenases'19824,313,810'Oxygen concentration sensing apparatus'19824,220,517'Oxygen concentration sensing apparatus'19804,219,359'Sintered body of zirconia for oxygen concentration sensor'19803,958,209'High temperature thermistor'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1999Patents assigned to NIPPON DENSO CO (22)· patent assignee history
1976–1987Based in Kariya, JP· patent location history
1980–2005Based in Tsushima, JP· patent location history
1982–1984Patents assigned to MITSUBISHI PETROCHEMICAL CO (3)· patent assignee history
1982Based in Ibaraki, JP· patent location history
1984Based in Ibaragi, JP· patent location history
1998–2005Patents assigned to DENSO CORP (10)· patent assignee history
2009Patents assigned to HINO MOTORS LTD (1)· patent assignee history
2009Patents assigned to SANKYO RADIATOR CO LTD (1)· patent assignee history
2009Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON DENSO CO | 22 | 1976–1999 |
| DENSO CORP | 10 | 1998–2005 |
| MITSUBISHI PETROCHEMICAL CO | 3 | 1982–1984 |
| HINO MOTORS LTD | 1 | 2009 |
| SANKYO RADIATOR CO LTD | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tsushima, JP | 30 | 1980–2005 |
| Kariya, JP | 2 | 1976–1987 |
| Tokyo, JP | 1 | 2009 |
| Ibaragi, JP | 1 | 1984 |
| Ibaraki, JP | 1 | 1982 |