AY

Akio Yasukawa

HI Hitachi: 2 patents #771 of 3,950Top 20%
📍 Chiyoda, JP: #35 of 163 inventorsTop 25%
Overall (2002): #74,610 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6414867 Power inverter Osamu Suzuki, Heikichi Kuwabara, Mitsuyuki Hombu, Hirohisa Yamamura, Sanshirou Obara +1 more 2002-07-02
6410978 Semiconductor device Hirohisa Yamamura, Tatsuya Shigemura 2002-06-25