HO

Hirotoshi Otsuka

DE Denso: 1 patents #6,940 of 11,792Top 60%
TF Tokyo University Of Science Foundation: 1 patents #82 of 252Top 35%
Overall (All Time): #2,480,621 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11915883 Electret Noriyuki Matsushita, Yoshihiro Kozawa, Kazuhiko Kanoh, Yumi Tanaka, Yuki Kotaka 2024-02-27