HF

Hiroshi Fujinaga

KA Kaneka: 3 patents #437 of 1,525Top 30%
Overall (All Time): #1,368,455 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12167762 Core-sheath composite fiber for artificial hair, headdress product including same, and production method therefor Norikazu Yasutomo, Genta Sakamoto 2024-12-17
12102151 Fiber for artificial hair and hair ornament product including same Mika Yorizane, Kohei Kawamura, Tomomichi Hashimoto 2024-10-01
12031241 Core-sheath composite fiber for artificial hair, headdress product including same, and production method therefor Genta Sakamoto, Norikazu Yasutomo, Takashi Ogino 2024-07-09