Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407902 | Bismuth glass composition, and magnetic head and plasma display panel including the same as sealing member | Shinya Hasegawa, Hiroshi Onishi, Mikie Kanai | 2008-08-05 |
| 7012783 | Sealing glass for magnetic head, magnetic head, and magnetic recording/reproducing device | Shinya Hasegawa, Mikie Kanai, Hideo Torii | 2006-03-14 |
| 6778355 | Glass composition, sealing glass for magnetic head and magnetic head using the same | Shinya Hasegawa, Mikie Kanai, Hideo Torii | 2004-08-17 |
| 6631050 | Sealing glass for magnetic head and magnetic head using the same | Shinya Hasegawa, Hideo Torii | 2003-10-07 |