Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928754 | Floor material | Michio Kondo, Xue Fang Song | 1999-07-27 |
| 4257834 | Process for producing a sheet having chip design | Kosuke Iida, Tadayuki Morikawa, Mitsuo Aoki, Isamu Ueda, Osami Tsuda | 1981-03-24 |