Inventor
Tadao Omura
Inventor
Nagasaki, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines27%
Y02TClimate change mitigation technologies related to transportation27%
B23KSoldering or unsoldering9%
C21DModifying the physical structure of ferrous metals9%
C22CAlloys9%
H01FMagnets9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
11,031,163Grain-oriented electrical steel sheet and method for manufacturing the same20214,926,817'Combustion chamber of subchamber type internal combustion engine'19904,875,445'Combustion chamber of a sub-chamber type internal combustion engine'19894,619,229'Structure for combustion chamber of auxiliary chamber type internal combustion engine'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1990Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
1986–1990Patents assigned to MITSUBISHI MOTORS CORP (3)· patent assignee history
1986–1990Based in Nagasaki, JP· patent location history
2021Patents assigned to JFE STEEL CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI HEAVY IND LTD | 3 | 1986–1990 |
| MITSUBISHI MOTORS CORP | 3 | 1986–1990 |
| JFE STEEL CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagasaki, JP | 3 | 1986–1990 |
| Tokyo, JP | 1 | 2021 |