Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605123 | Thermal energy recovery device and operating method of the same | Noboru Tsuboi, Masayoshi Matsumura, Shigeto Adachi, Shirohiko Okamoto | 2020-03-31 |
| 10571152 | Reverse combustion type combustion apparatus | Hironao Matsunaga | 2020-02-25 |
| 10060298 | Thermal energy recovery device and start-up method thereof | Kazuo Takahashi, Shigeto Adachi, Yutaka Narukawa, Shirohiko Okamoto | 2018-08-28 |
| 9631837 | Hot water supply device | Masato Doyama, Yu FUJIMOTO, Shingo Tateishi | 2017-04-25 |
| D679790 | Water heater | Jun Doi, Hiroaki Tanaka, Tetsunori Kuriyama, Takahide Hasegawa, Kengo Horiuchi | 2013-04-09 |
| 7967901 | Lubricating liquid separator | Toru Sakatani, Yasumasa Kimura | 2011-06-28 |