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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Norihide Wada — 5 Patents in 2021

NONoritz: 5 patents #2 of 45Top 5%
Kasai, JP: #21 of 565 inventorsTop 4%
Overall (2021): #29,167 of 548,734Top 6%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D917031 Heat exchanger for water heater Takeshi Oohigashi, Masaki Kondo 2021-04-20
D916257 Heat exchanger for water heater Takeshi Oohigashi, Masaki Kondo 2021-04-13
D916258 Heat exchanger for water heater Takeshi Oohigashi, Masaki Kondo 2021-04-13
10948236 Heat exchanger and water heater including same Takeshi Ohigashi, Nobuhiro Takeda 2021-03-16
10890356 Heat exchange device and heat source machine Naoya Shiotsu, Takeshi Ohigashi, Masaki Kondo 2021-01-12