Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11100338 | Data recording device | Yusuke Hayashi, Yasuhiro Takagi, Nobuhide Kamata | 2021-08-24 |
| 11019928 | Armrest and chair | Yuuichirou Takagi, Hiroshi Masunaga, Syouichi Izawa | 2021-06-01 |
| 10932575 | Armrest and chair | Hiroshi Masunaga, Syouichi Izawa | 2021-03-02 |
| D903355 | Chair | — | 2020-12-01 |
| D903354 | Chair | — | 2020-12-01 |
| 10766485 | Vehicle control device | — | 2020-09-08 |
| 10159350 | Chair | Hiroshi Masunaga | 2018-12-25 |
| 9578968 | Chair | Hiroshi Masunaga, Syouichi Izawa | 2017-02-28 |
| 9022482 | Stretching structure of a tension member for a chair | Sayaka Morio | 2015-05-05 |
| 8191970 | Backrest device in a chair | Hiroaki Tsukiji, Hiroshi Masunaga | 2012-06-05 |
| 8172332 | Chair backrest device | Hiroshi Masunaga, Yoichiro Oda | 2012-05-08 |
| 7837272 | Chair and the structure for stretching a mesh over an element of the chair | Hiroshi Masunaga, Tetsuya Narita, Akira Kiyoku, Ken Nakayama | 2010-11-23 |
| D587915 | Chair | — | 2009-03-10 |
| D587027 | Chair | — | 2009-02-24 |
| D575542 | Chair | — | 2008-08-26 |
| D568057 | Chair | — | 2008-05-06 |
| D567522 | Chair | — | 2008-04-29 |
| D567521 | Chair | — | 2008-04-29 |
| D559573 | Chair | — | 2008-01-15 |
| D559574 | Chair | — | 2008-01-15 |
| D559572 | Chair | — | 2008-01-15 |
| D558996 | Chair | — | 2008-01-08 |
| D558997 | Chair | — | 2008-01-08 |
| D558995 | Chair | — | 2008-01-08 |
| D555924 | Chair | — | 2007-11-27 |