Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378949 | Seat having seat surface portion made of surface-like elastic body | Minoru Maeda, Isao Kawashima, Naohiro Takahashi, Masashi Ishii | 2002-04-30 |
| 6375269 | Seat having seating face made of sheet resilient material | Minoru Maeda, Tomomi Shoji, Tsutomu Matsuzaki, Naohiro Takahashi, Masashi Ishii | 2002-04-23 |
| 6231125 | Seat with resilient sheet-formed seat cushion | Minoru Maeda, Isao Kawashima, Tomomi Shoji, Tsutomu Matsuzaki, Naohiro Takahashi +1 more | 2001-05-15 |
| 6152534 | Seat having seating face made of sheet resilient material | Minoru Maeda, Tomomi Shoji, Tsutomu Matsuzaki, Naohiro Takahashi, Masashi Ishii | 2000-11-28 |