Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628944 | Method and apparatus for molding two-color polyurethane parts by RIM | Naohisa Nagasaka, Masayuki Goto, Yukio Kawakita, Masanao Ishikake | 1997-05-13 |
| 5540576 | Apparatus having a vacuum chamber for producing moldings | Yukio Kawakita, Kazuhiko Suzuki | 1996-07-30 |
| 5536458 | Method of molding two-color polyurethane parts by rim | Yukio Kawakita, Naohisa Nagasaka | 1996-07-16 |
| 4856908 | Mixing head of injection molding machine | Noboru Hara | 1989-08-15 |