Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718961 | Method and device for the fabrication of plastic sleeves | Yoshihiro Yamato, Takeshi Sasaki, Masatoshi Kishida | 1988-01-12 |
| 4250798 | Method of and device for fabricating plastic sleeves | Yoshihiro Yamato, Hideo Okada, Masanori Urabe | 1981-02-17 |