TO

Takashi Ojiro

RI Rinnai: 7 patents #1 of 12Top 9%
Overall (2020): #16,588 of 565,922Top 3%
7
Patents 2020

Issued Patents 2020

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10876795 Heat exchanger and heat source device 2020-12-29
10767862 Flame rod Kazuyuki Akagi, Masaru Takeuchi, Yoshinari Iwata, Yoshiaki Miyajima 2020-09-08
10718513 Burner Masaru Takeuchi 2020-07-21
10612776 Combustion apparatus Takahiro Ono, Hideo Okamoto 2020-04-07
10612774 Totally primary air combustion type of burner Masaru Takeuchi, Takahiro Ono 2020-04-07
10605485 Water heater Yasuo Niwa 2020-03-31
10527279 Combustion apparatus 2020-01-07