Inventor
Kazuo Oyobe
Inventor
Oobu, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general24%
H05BElectric heating17%
C04BLime, magnesia10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
B01DSeparation3%
C23CCoating metallic material3%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%
F04BPositive-displacement machines for liquids3%
F16DCouplings for transmitting rotation3%
PatentTitleYear
5,683,299'Device for transmitting rotational power'19974,803,345'Ceramic heater apparatus with metal electrodes'19894,723,973'Purifying apparatus of a particulate trap-type for collecting particulates in exhaust gas from an engine'19884,723,069'Ceramic heater'19884,711,990'Ceramic heater'19874,671,058'Heating device'19874,652,727'Ceramic heater and a process for producing the same'19874,519,820'Fitter apparatus for purifying exhaust gases'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1997Patents assigned to NIPPON DENSO CO (8)· patent assignee history
1985–1988Based in Ohbu, JP· patent location history
1987–1989Based in Oobu, JP· patent location history
1987Based in Obu, JP· patent location history
1988Patents assigned to TOYOTA MOTOR CO LTD (2)· patent assignee history
1997Based in Toyoake, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON DENSO CO | 8 | 1985–1997 |
| TOYOTA MOTOR CO LTD | 2 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oobu, JP | 3 | 1987–1989 |
| Ohbu, JP | 3 | 1985–1988 |
| Toyoake, JP | 1 | 1997 |
| Obu, JP | 1 | 1987 |