Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D730659 | Table | — | 2015-06-02 |
| 7794017 | Chair having a unit to move a lumbar support | Satoshi Kan, Katunori Hama, Yasuhiro Nakamura | 2010-09-14 |
| D512251 | Desk | Koichiro Hayashi | 2005-12-06 |
| D510492 | Desk | Koichiro Hayashi | 2005-10-11 |
| 5598631 | Method of making machine element with at least a fitting member pressure-fitted on a shaft | Koji Umezawa | 1997-02-04 |
| 5419217 | Machine element with at least a fitting member pressure-fitted on a shaft and method of making the same | Koji Umezawa | 1995-05-30 |