AY

Akira Yoshikawa

PS Piezo Studio: 2 patents #1 of 13Top 8%
TU Tohoku University: 2 patents #9 of 211Top 5%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #29 of 178Top 20%
📍 Rifu, JP: #34 of 314 inventorsTop 15%
Overall (2021): #91,709 of 548,734Top 20%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11158784 Crystal material and method of manufacturing the same Yuui Yokota, Yuji Ohashi, Kei Kamada, Tetsuo Kudo, Kenji Inoue +5 more 2021-10-26
11031539 Piezoelectric vibrator and sensor Yuji Ohashi, Yuui Yokota, Kei Kamada, Masatoshi Ito, Kenji Inoue +1 more 2021-06-08
10937928 Nitride semiconductor element, nitride semiconductor light emitting element, ultraviolet light emitting element Aya Yokoyama, Yoshihito Hagihara, Ryosuke HASEGAWA, Ziyi Zhang, Tomohiro Morishita 2021-03-02