Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897033 | Container having slit valve | Hiroyuki Okawa, Hiroshi Mizushima, Shinichi Inaba | 1999-04-27 |
| 5397610 | Plastic molding having luster and method of molding the same | Shingo Odajima, Shoji Ohtani, Masanori Takita, Yukihiro Nakano | 1995-03-14 |