HK

Hirokazu Kawamura

MC Mirai Industry Co.: 4 patents #9 of 12Top 75%
TC Tosetz Co.: 2 patents #2 of 11Top 20%
MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
SC Suzuki Co.: 1 patents #65 of 179Top 40%
TC Tokyo Gas Living Engineering Co.: 1 patents #8 of 9Top 90%
Overall (All Time): #971,341 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10605453 Conduit and hot water supply system Masaki Sugatani, Takanori Nagano, Hironao Matsunaga, Takahide Hasegawa, Yasuhide Sato +2 more 2020-03-31
D816820 Exhaust pipe for water heater Yasuhide Satoh, Kiyomi Kanamoto 2018-05-01
D720056 Exhaust pipe cover for water heater Norikazu Maki 2014-12-23
8414033 Pipe joint and pipe equipped with pipe joint 2013-04-09
6798048 2-Metal layer TAB tape and both-sided CSP•BGA tape Akira Ichiryu, Tatsuo Kataoka, Katsuhiko Hayashi, Masahito Ishii 2004-09-28