YF

Yasufumi Fujiwara

OU Osaka University: 6 patents #92 of 1,984Top 5%
TT The Ritsumeikan Trust: 1 patents #34 of 141Top 25%
📍 Suita, JP: #234 of 1,253 inventorsTop 20%
Overall (All Time): #685,577 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12364058 Near-infrared light emitting semiconductor element and method for manufacturing same Shuhei Ichikawa, Naoki Yoshioka, Jun Tatebayashi 2025-07-15
12074254 Nitride semiconductor device and substrate thereof, method for forming rare earth element-added nitride layer, and red-light emitting device and method for manufacturing the same Shuhei Ichikawa, Jun Tatebayashi 2024-08-27
12068432 Display device and method of manufacturing same Takeshi Uenoyama, Jun Tatebayashi, Shuhei Ichikawa 2024-08-20
11133435 Nitride semiconductor substrate, manufacturing method therefor, and semiconductor device Wanxin Zhu, Atsushi Koizumi, Brandon Scott Mitchell, Tom Gregorkiewicz 2021-09-28
11075322 AlInN film, two-dimensional photonic crystal resonator, method for manufacturing these, and semiconductor light-emitting element Tomohiro INABA 2021-07-27
9455376 Substrate for nitride semiconductor device and production method thereof, and red light emitting semiconductor device and production method thereof Atsushi Koizumi, Yoshikazu Terai 2016-09-27
8409897 Production method of red light emitting semiconductor device Atsushi Nishikawa, Yoshikazu Terai, Takashi Kawasaki, Naoki Furukawa 2013-04-02