MI

Masakazu Ishikawa

HI Hitachi: 2 patents #9 of 446Top 3%
HH Hitachi Mitsubishi Hydro: 2 patents #3 of 13Top 25%
HU Hiroshima University: 1 patents #3 of 24Top 15%
HP Hitachi Industrial Products: 1 patents #1 of 13Top 8%
SI Sanyo Chemical Industries: 1 patents #1 of 23Top 5%
📍 Hiroshima, JP: #4 of 10 inventorsTop 40%
Overall (2025): #53,740 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12427228 Meniscus regeneration material Nobuo Adachi, Naosuke KAMEI, Tomoyuki Nakasa, Shingo KAWABATA, Tsubasa Yamanaka 2025-09-30
12355377 Adjustable speed generator motor system with full power converter Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Tomomichi Ito +3 more 2025-07-08
12289063 Modular multilevel power converter and variable speed generator-motor Akira Bando, Takahiko Kikui, Kenta Watanabe, Tomomichi Ito, Yasuhiro Kiyofuji +1 more 2025-04-29