Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649126 | Aluminum alloy for high pressure die-casting | Naomi Nishi, Izumi Murashima, Hideto Sasaki | 2003-11-18 |
| 6519848 | Method for producing cylinder block | Izumi Murashima, Naomi Nishi, Ryusuke Izawa | 2003-02-18 |
| 6415848 | Metal mold arrangement for producing cylinder block | Shin Nitta, Tatsuya Manabe | 2002-07-09 |
| 5323840 | Metal mold arrangement for casting water-cooled type cylinder block in horizontal type casting machine | Hirotake Usui, Yoshiaki Egoshi, Joji Umeda | 1994-06-28 |