Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250140 | Device having raised side edge portions for heat-sealing tubular packaging material | Kojiro Hayashi, Fumiyuki Iwano, Hisao Takahashi, Masaaki Ogawa, Yoshio Kobashi | 1993-10-05 |
| 4720039 | Paperboard container | — | 1988-01-19 |
| 4586650 | Blank structure with indented fold lines for a cardboard container | Kazuo Sasaki, Shinzo Saito | 1986-05-06 |
| 4368081 | Method for removing residual hydrogen peroxide on a sterilized food package | Kunio Hata, Kihachiro Oshima, Isao Kano, Norio Matsukura, Hiroaki Umeda +3 more | 1983-01-11 |