Ryosuke Umakoshi has been granted 10 US patents while listed as an inventor at Noritz . The first was granted in 2015 and the most recent in July 2025. Ryosuke Umakoshi ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Ryosuke Umakoshi in Kasai, JP.
Patents per Year Patents granted per year, 2015 to 2025 Bar chart with a peak of 3 patents in 2015. peak 3 2015: 3 patents 2015 2016: 1 patents 2016 2018: 1 patents 2018 2019: 1 patents 2019 2020: 1 patents 2020 2022: 1 patents 2022 2023: 1 patents 2023 2025: 1 patents 2025
Issued Patents All Time
Profile Widget
Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date
12352438 Air blower and combustion device including the same Mikihiro Iwamoto 2025-07-08
11795966 Blowing device and combustion device including same Mikihiro Iwamoto 2023-10-24
11512871 Water heater Hiroki Hasegawa , Takashi Akiyama , Keigo Fukunishi , Koji Ota 2022-11-29
10533742 Burner case and burner device provided with the burner case Takashi Akiyama , Taihei TERASAWA , Kenichi Sakurai , Tatsuya KARAKI , Naoki SE 2020-01-14
10309645 Gas supply manifold and gas combustion device provided with the same Yuta TSUJI , Naoki SE , Hideyuki FUJISAWA , Katsuya Imaoka , Keizo Kawano +1 more 2019-06-04
10012411 Combustion apparatus and water heater having same — 2018-07-03
9228742 Rich-lean combustion burner and combustion apparatus Takashi Akiyama , Takeshi Wakada , Toshio Watanabe , Itsuo Nagai , Yasutaka Kuriyama +2 more 2016-01-05
9115888 Rich-lean combustion burner Norihide Wada , Takashi Akiyama , Takeshi Wakada , Itsuo Nagai 2015-08-25
9115889 Rich-lean combustion burner and combustion apparatus Keigo Fukunishi , Takeshi Wakada , Toshio Watanabe , Takashi Akiyama , Yasutaka Kuriyama +2 more 2015-08-25
9115891 Rich-lean combustion burner Takashi Akiyama , Norihide Wada , Takeshi Wakada , Yasutaka Kuriyama , Itsuo Nagai 2015-08-25