Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605453 | Conduit and hot water supply system | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Yasuhide Sato, Kiyomi Kanamoto +2 more | 2020-03-31 |
| 10605454 | Exhaust structure for combustion apparatus | Masaki Sugatani | 2020-03-31 |
| 10571152 | Reverse combustion type combustion apparatus | Eiji Kanki | 2020-02-25 |
| 10436442 | Exhaust tube holding member, exhaust structure for combustion apparatus, and method for installing exhaust structure for combustion apparatus | — | 2019-10-08 |
| 10295181 | Exhaust connection structure and combustion apparatus with exhaust connection structure | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-05-21 |
| D847309 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-30 |
| D845449 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2019-04-09 |
| D832409 | Pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-10-30 |
| D828524 | Packing for pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-09-11 |
| D823442 | Cap for pipe adapter for water heater | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-07-17 |
| D822184 | Water heater | Hideki Yamaguchi, Hidefumi Koda, Teizo Nanbu | 2018-07-03 |
| D816196 | Exhaust pipe for water heater | Masaki Sugatani, Takanori Nagano, Takahide Hasegawa, Kiyomi Kanamoto, Yasuhide Satoh +1 more | 2018-04-24 |
| D812731 | Exhaust tube holding member | — | 2018-03-13 |
| D810902 | Exhaust tube holding member | — | 2018-02-20 |
| D810901 | Exhaust tube holding member | — | 2018-02-20 |
| D804623 | Water heater | Hideki Yamaguchi, Hidefumi Koda, Teizo Nanbu | 2017-12-05 |
| D801494 | Exhaust tube holding member | — | 2017-10-31 |
| 9746204 | Water heater | Shuji Kameyama, Keigo Fukunishi, Norihide Wada | 2017-08-29 |
| 9341368 | Method of installing exhaust tube | Masaki Sugatani | 2016-05-17 |
| 8783213 | Heat exchanger and water heater incorporating the same | — | 2014-07-22 |
| 7458340 | Water heater | Nobuhiro Takeda, Hiroshi Asakura, Akira Tsutsumi, Kazuhiro Kimura, Shuji Kameyama +1 more | 2008-12-02 |