Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7996991 | Method for manufacturing liquid jet head | — | 2011-08-16 |
| 7806345 | In-wall heater | Ikuo Tsunekawa, Satoshi Kaneiwa, Brian Smith, Gregory Brinsden | 2010-10-05 |
| 4718846 | Combustion safety device for a gas heater | Wakizi Sugimoto | 1988-01-12 |
| 4396370 | Combustion safety apparatus | Toshifumi Yamana, Toshinari Morita | 1983-08-02 |