Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239051 | Magnesia-spinel refractory and method of producing the same | Fumito Tanaka, Susumu Okabe, Masaharu Yamada | 2001-05-29 |
| 5360411 | Liquid medicine injecting device | Jinko Mimura | 1994-11-01 |