YI

Yuji Ishigaki

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #1,792,868 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11541142 Fragrance material holding member and fragrance providing device Shuji Fujita, Yukari Tsunoda, Koya Nomoto, Tsunetoshi Samukawa 2023-01-03
10772983 Perfume retainer member and aroma provision device Shuji Fujita, Tsunetoshi Samukawa, Koya Nomoto, Hideki Nakano, Keita Tanaka +1 more 2020-09-15