Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843671 | Dehydrating method for a washing machine | Hiroshi Hirooka, Hirobumi Urabe | 1989-07-04 |
| 4841622 | Apparatus for interference-fitting an inner member with an annular outer member | Tadao Murano, Hisao Hirata, Toshimitsu Hayakawa | 1989-06-27 |
| 4821075 | Developing device and developer supply device for the same | Hiromitsu Takagaki | 1989-04-11 |