Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945007 | Method of patterning, installing, renewing and/or recycling carpet tiles | Seiin Kobayashi, Akihito Suzuki | 2005-09-20 |
| 6921502 | Cushioned rubber floor mat article and method | Seiin Kobayashi, William O. Burke III, Amy K. Streeton, Robert C. Kerr | 2005-07-26 |
| 6861118 | Modular area rug and process of manufacture | Seiin Kobayashi | 2005-03-01 |
| 6689443 | Mat construction incorporating recycled constituents and methods of manufacture | Seiin Kobayashi, Akihito Suzuki | 2004-02-10 |
| 6420015 | Cushioned rubber floor mat and process | Seiin Kobayashi, Yuji Nagahama | 2002-07-16 |