Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519555 | Magnetic head including PbO-V.sub.2 O.sub.5 -P.sub.2 O.sub.5 system glass bonding | Takashi Namekawa, Seiichi Yamada, Kunihiro Maeda, Kenkichi Inada | 1996-05-21 |
| 4816949 | Magnetic head containing amorphous alloy and crystallizable glass | Seiichi Yamada, Takashi Namekawa, Akira Ikegami, Ryoo Gotoo, Toshikazu Nishiyama | 1989-03-28 |
| 4794483 | Magnetic head having layers of amorphous magnetic alloy bonded together with a glass containing vandium oxide phosphorus oxide and antimony oxide | Takashi Namekawa, Seiichi Yamada, Satoru Ogihara, Juichi Morikawa | 1988-12-27 |