Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923632 | Method and apparatus for forming a casting which includes an insert | Hiroshi Koyama, Tsutomu Onoue, Keigo Asano, Izuru Shoji | 2005-08-02 |
| 6309579 | Method for forming a casting which includes an insert | Hiroshi Koyama, Tsutomu Onoue, Keigo Asano, Izuru Shoji | 2001-10-30 |
| 6063321 | Method for forming a casting which includes an insert | Hiroshi Koyama, Tsutomu Onoue, Keigo Asano, Izuru Shoji | 2000-05-16 |