Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329386 | Column packing material and method for producing the same | Atsushi Kobayashi, Kazuko Takezawa, Taketoshi Kanda, Isao Tanaka, Tomoko Kimura +1 more | 2008-02-12 |
| 5556082 | Cushion unit | — | 1996-09-17 |