Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427802 | Muffler | Masayuki Yokoi, Masayoshi Tange | 2002-08-06 |
| 6403050 | Calcium silicates, a production process thereof, and an inorganic antibacterial material using the same | Harumichi Kuwabara, Yasuhiko Kunimine | 2002-06-11 |