Inventor
Masatoshi Maruyama
Inventor
Nagoya, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography30%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general22%
Y02TClimate change mitigation technologies related to transportation22%
B01DSeparation4%
F02DControlling combustion engines4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
G06FElectric digital data processing4%
H04NPictorial communication, e.g. television4%
Y02ATechnologies for adaptation to climate change4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
9,407,805'Electronic device with a cover for imaging'20169,297,287'Exhaust gas control apparatus and control method for exhaust gas control apparatus'20168,670,916'Fuel injection system for internal combustion engine'20148,603,422'Gas separation and recovery apparatus and gas separation and recovery method'20138,418,438'Exhaust gas purifying device for internal combustion engine'20138,283,097'Process for producing toner for electrostatic charge image development toner for electrostatic charge image development'20128,209,966'Exhaust emission control device for internal combustion'20128,201,397'Exhaust gas purification device of internal combustion engine'20128,176,730'Exhaust gas purification device of internal combustion engine'20125,695,899'Colored toner for developing electrostatic images'19975,683,849'Colored toner for developing electrostatic images'19975,618,648'Toner binder, toner, electrophotographic method and apparatus therefor'19975,591,556'Toners for developing electrostatic image'19975,128,724'Developer restoring unit in an image forming apparatus'19924,996,127'Toner for developing an electrostatically charged image'19914,797,339'Toner for developing electrostatic images'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1997Based in Hiratsuka, JP· patent location history
1991–1997Patents assigned to NIPPON CARBIDE KOGYO KK (5)· patent assignee history
1997–2016Based in Tokyo, JP· patent location history
2012–2016Patents assigned to MARUYAMA MASATOSHI (8)· patent assignee history
2012–2016Patents assigned to DENSO CORP (7)· patent assignee history
2012–2016Patents assigned to SAKATA MASAKAZU (5)· patent assignee history
2012–2013Patents assigned to SHIMOMURA OSAMU (4)· patent assignee history
2012–2016Based in Nagoya, JP· patent location history
2012Based in Kariya, JP· patent location history
2012Based in Joetsu-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MARUYAMA MASATOSHIself | 8 | 2012–2016 |
| DENSO CORP | 7 | 2012–2016 |
| NIPPON CARBIDE KOGYO KK | 5 | 1991–1997 |
| SAKATA MASAKAZU | 5 | 2012–2016 |
| SHIMOMURA OSAMU | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 5 | 2012–2016 |
| Hiratsuka, JP | 4 | 1989–1997 |
| Tokyo, JP | 2 | 1997–2016 |
| Kariya, JP | 2 | 2012 |
| Joetsu-shi, JP | 1 | 2012 |