Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388941 | Semiconductor device | Hiroshi Otori, Hiroki Fujisawa, Minoru Ebihara, Seiji Narui, Masanori Isoda | 2002-05-14 |
| 6376581 | Cement dispersant, method for production thereof, and cement composition using the dispersant | Yoshio Tanaka, Tsuyoshi Hirata, Toru Uno, Tsutomu Yuasa, Hideyuki Tahara | 2002-04-23 |