Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8141616 | Gravity casting method | Katsumi Iwasa, Takahiro Tsunemi, Hiroki Takeuchi | 2012-03-27 |
| 4970017 | Process for production of granular detergent composition having high bulk density | Masayoshi Nakamura, Noboru Hara, Kazuo Nagoh | 1990-11-13 |