Method for production of valve head portion of hollow engine valve and hollow engine valve
US-9447711-B2 · Sep 20, 2016 · US
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Yoshimura Co patents
Yoshimura Co holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Nov 24, 2015 |
| Latest publication | Sep 20, 2016 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Method for producing a hollow engine valve
US-9427795-B2 · Aug 30, 2016 · US
Method for manufacturing hollow engine valve
US-9302317-B2 · Apr 5, 2016 · US
Method for production of valve head portion of hollow engine valve and hollow engine valve
US-9194263-B2 · Nov 24, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Method for production of valve head portion of hollow engine valve and hollow engine valve
US-9447711-B2 · Sep 20, 2016 · US
Method for producing a hollow engine valve
US-9427795-B2 · Aug 30, 2016 · US
Method for manufacturing hollow engine valve
US-9302317-B2 · Apr 5, 2016 · US
Method for production of valve head portion of hollow engine valve and hollow engine valve
US-9194263-B2 · Nov 24, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| F01L2303/00 | 4 |
| B23P15/002 | 4 |
| F01L3/14 | 4 |
| B21K1/22 | 4 |
| F01L2103/00 | 4 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 4 |
| Mechanical Engineering | 4 |
| Cross-Sectional Technologies | 4 |