Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345625 | Pipe joints of reinforced resin and process for their molding | Masakatsu Mayumi, Kenji Mitooka | 1982-08-24 |
| 4263249 | Method for producing reinforced plastic tubular body having annular grooves, and mold therefor | Masakatu Mayumi, Kenji Mitooka, Takesi Okuyama | 1981-04-21 |
| 4260445 | Process for producing thick reinforced plastic articles | Masakatsu Mayumi, Kenji Mitooka | 1981-04-07 |
| 4243457 | Method of molding pipe joints of reinforced resin | Masakatsu Mayumi, Kenji Mitooka | 1981-01-06 |