Tomoyo Maeshima — 3 Patents at Hakko

Tomoyo Maeshima has been granted 3 US patents while listed as an inventor at Hakko. The first was granted in 2022 and the most recent in March 2025. Tomoyo Maeshima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Tomoyo Maeshima in Osaka, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D1066449	Solder bath	Kenta Nakamura, Hiroyuki Masaki	2025-03-11
11313733	Sensor and sensor assemblies for a thermometer	Hiroyuki Masaki	2022-04-26
11316326	Thermal cartridge device	Hisao Nemoto, Norihisa Sekimori	2022-04-26

Tomoyo Maeshima — 3 Patents

Issued Patents All Time

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