Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841622 | Apparatus for interference-fitting an inner member with an annular outer member | Hisao Hirata, Toshimitsu Hayakawa, Takeshi Saito | 1989-06-27 |
| 4821865 | Work delivering apparatus | Hisao Hirata, Shojiro Yokomizo, Hirokazu Mitsuhori | 1989-04-18 |