Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866338 | Unsaturated polyester resin composition for cathode ray tube and its use | Toshimasa Ishigaki, Yasuhiko Uehara, Ryoichi Sudo, Etsuji Iwami, Hirohumi Izumi | 1989-09-12 |
| 4824731 | Thin film magnetic head | Haruhiko Matsuyama, Shunichiro Kuwatsuka, Kenji Sugimoto | 1989-04-25 |