Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D856413 | Printer | Yoshiyuki Tanaka, Hideki Kato, Kenji Oshima, Takao Oizumi, Matt Delegate | 2019-08-13 |
| D843444 | Printer | Yoshiyuki Tanaka, Hideki Kato, Kenji Oshima, Takao Oizumi, Matt Delegate | 2019-03-19 |
| D815196 | Printer | Yoshiyuki Tanaka, Hideki Kato, Kenji Oshima, Kohei Usuda, Matt Delegate | 2018-04-10 |
| 7498502 | Keyboard musical instrument having accommodation space for fallboard between keyboard and rear top board | Daisuke Saito | 2009-03-03 |
| D555190 | Electronic piano | Daisuke Saito | 2007-11-13 |
| D551211 | Musical sound controller | — | 2007-09-18 |
| D336411 | Heated frozen food server | C. Wayne Keech | 1993-06-15 |
| 4703956 | T-fitting for use with different diameter pipes | — | 1987-11-03 |
| 4631001 | T-fitting with one way valve and water level sensor for a sump apparatus | — | 1986-12-23 |