Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D550977 | Chair | — | 2007-09-18 |
| D550471 | Chair | — | 2007-09-11 |
| 7246859 | Chair | Naoki Numa, Ken Nakayama, Hiroshi Masunaga | 2007-07-24 |
| 7243993 | Tilting mechanism for a chair and a chair having the same | Naoki Numa, Ken Nakayama, Hiroshi Masunaga | 2007-07-17 |
| 7097249 | Tilting mechanism for a chair and chair having the same | Naoki Numa, Ken Nakayama, Hiroshi Masunaga | 2006-08-29 |
| D514838 | Chair | — | 2006-02-14 |
| D514345 | Chair | — | 2006-02-07 |
| D512579 | Chair | — | 2005-12-13 |
| D512578 | Chair | — | 2005-12-13 |
| 6942300 | Structure for mounting a net member to a frame for a seat or backrest of a chair | Naoki Numa, Tetsuya Narita | 2005-09-13 |
| 5329190 | Termination circuit | Tatsuo Morikawa | 1994-07-12 |