Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263555 | Glass article and method of producing glass article | Osamu Sato, Hirofumi Yamamoto, Nobuhiko Takeshita | 2025-04-01 |
| 11969857 | Glass article and method of producing glass article | Osamu Sato, Hirofumi Yamamoto, Nobuhiko Takeshita | 2024-04-30 |
| 8328602 | Glass substrate for information recording medium and method for manufacturing the same, and magnetic recording medium | Masahiko Tamura, Katsuaki Miyatani, Tetsuya Nakashima | 2012-12-11 |
| 5738906 | Method for producing a magnetic disk | Tsuneo Manabe, Yuzo Murayama, Yoshizumi Hideshima | 1998-04-14 |