Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10712001 | Combustion device | Kentaro Masumoto, Hiroaki Tanaka, Tetsunori Kuriyama, Keiichi Mandai, Makoto KUSAKABE +1 more | 2020-07-14 |
| 10619887 | Instantaneous hot water circulation unit with scale cleaning function | Masaki Sugatani, Yu FUJIMOTO, Hiromi Yamanishi, Yoshihiro Nunotani | 2020-04-14 |
| D570973 | Gas water heater | Teizo Nanbu, Akira Tsutsumi, Satoshi Kawaguchi | 2008-06-10 |
| D570974 | Gas water heater | Teizo Nanbu, Akira Tsutsumi, Satoshi Kawaguchi | 2008-06-10 |
| D570975 | Gas water heater | Teizo Nanbu, Akira Tsutsumi, Satoshi Kawaguchi | 2008-06-10 |
| D570976 | Gas water heater | Teizo Nanbu, Akira Tsutsumi, Satoshi Kawaguchi | 2008-06-10 |