Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375269 | Seat having seating face made of sheet resilient material | Minoru Maeda, Tsutomu Matsuzaki, Naohiro Takahashi, Masashi Ishii, Tsutomu Ao | 2002-04-23 |
| 6231125 | Seat with resilient sheet-formed seat cushion | Minoru Maeda, Isao Kawashima, Tsutomu Matsuzaki, Naohiro Takahashi, Masashi Ishii +1 more | 2001-05-15 |
| 6152534 | Seat having seating face made of sheet resilient material | Minoru Maeda, Tsutomu Matsuzaki, Naohiro Takahashi, Masashi Ishii, Tsutomu Ao | 2000-11-28 |