HK

Hirokatsu KATOH

Casio Computer Co.: 6 patents #432 of 1,970Top 25%
Overall (All Time): #781,181 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12413903 External member, external member molding method, and electronic instrument Hiroki AKAI, Takahiro Moriya, Yoshihiko Sato 2025-09-09
12389144 External member, external member molding method, and electronic instrument Hiroki AKAI, Takahiro Moriya, Yoshihiko Sato 2025-08-12
12347411 Electronic keyboard instrument Hiroki AKAI 2025-07-01
12300205 Rotary operation device, and electronic keyboard instrument 2025-05-13
12185041 Sound radiation appratus, electronic musical instrument, and sound radiation appratus fabrication method Hiroki AKAI, Kazuo Shimada, Takahiro Moriya 2024-12-31
11551647 Keyboard instrument Akihisa Hoshino, Atsushi Oshiro 2023-01-10