Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471937 | Method for manufacturing cylinder head, and semimanufactured cylinder head | Masahiro Oomori, Hirohisa Shibayama | 2022-10-18 |
| 7198026 | Divider plate for an inlet port, sand core for forming an inlet port, and cylinder head | Tatsuya Masuta, Hirohito Kajihara, Hiroshi Katou | 2007-04-03 |
| 7100560 | Partition plate for intake port, intake port molding sand core and cylinder head | Shigeki Nakabayashi | 2006-09-05 |
| 7032559 | Cast-in object plate member, partition plate for intake port, intake-port forming sand core and cylinder head | Seiji Irie, Masao Suzuki, Toshiyuki Nishida | 2006-04-25 |
| 7032560 | Partition plate for intake port, sand core for forming intake port, and cylinder head | Hiroshi Katou, Hirohito Kajihara, Toshiyuki Nishida, Masami Inose, Tatsuya Masuta | 2006-04-25 |