YI

Yasuhito Ishihara

TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #1,711,151 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12293747 Musical instrument Jun Ishii, Hidehisa YASUNO 2025-05-06
6620083 Tool pot for tool magazine Akimasa Ninomiya, Mamoru Kato, Fumio Suzuki, Kenji Iida, Toshikazu Sakei 2003-09-16