Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859291 | Method of performing industrial low hydrogen embrittlement nickel plating by use of an insoluble anode | Masaya Miyata, Isojiro Tamura | 1989-08-22 |
| 4847511 | Device for measuring rectilinear motion | Kenji Magara, Yuzuru Nishiyama | 1989-07-11 |