Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870390 | Device for detecting leakage of precharged gas from gas-type accumulator | Tomohiko Hosoda, Nobuyasu Nakanishi, Hirochika Shibata | 1989-09-26 |
| 4808022 | Container type toilet implement | Shigeo Iizuka | 1989-02-28 |