Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885333 | Polyvinyl chloride resin composition having improved thermal stability and a method for the preparation thereof | Tadashi Amano | 1989-12-05 |
| 4543382 | Plastic magnets impregnated with a dye-coated magnet alloy powder | Michinori Tsuchida, Toshihide Shimizu, Ichiro Kaneko | 1985-09-24 |
| 4497722 | Composition for plastic magnets | Michinori Tsuchida, Hajime Kitamura | 1985-02-05 |
| 4364970 | Method for improving surface properties of shaped articles of polyvinyl chloride resins | Kiyoshi Imada, Susumu Ueno | 1982-12-21 |
| 4302307 | Method for the improvement of gramophone records | Kiyoshi Imada, Susumu Ueno | 1981-11-24 |