SW

So Watanabe

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HD Hitachi Power Semiconductor Device: 2 patents #16 of 79Top 25%
Overall (All Time): #909,685 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12300716 Semiconductor device and power conversion device Tomoyasu Furukawa, Masaki Shiraishi, Tomoyuki Miyoshi, Yujiro Takeuchi 2025-05-13
9082814 Semiconductor devices and power conversion systems Masaki Shiraishi, Mutsuhiro Mori, Hiroshi Suzuki 2015-07-14
8809903 Semiconductor device and power conversion apparatus using the same Mutsuhiro Mori, Taiga Arai 2014-08-19
8653588 Semiconductor device and electric power conversion system using the same Masaki Shiraishi, Hiroshi Suzuki, Mutsuhiro Mori 2014-02-18
8546847 Semiconductor device and power conversion apparatus using the same Mutsuhiro Mori, Taiga Arai 2013-10-01