YK

Yoshitaka KAWASHIMA

PA Panasonic: 2 patents #349 of 1,879Top 20%
Overall (2025): #72,923 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12389145 Loudspeaker system and seat Fumiyasu Konno, Masahide Onishi 2025-08-12
12317042 Sub cone and loudspeaker Yuki Ishii, Yuuki Izumi 2025-05-27