HW

Hirochika Watanabe

JT Japan Superconductor Technology: 1 patents #8 of 26Top 35%
Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #1,817,264 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11732930 Cooling container to which refrigerator is attachable Hitoshi Miyata, Satoshi Ito 2023-08-22
10529306 Pedal apparatus for percussion instrument Fumihiro Shigenaga, Tomohiro Fujita, Makoto Seto 2020-01-07