TO

Takashi Ohwada

HI Hitachi: 2 patents #771 of 3,950Top 20%
Overall (2002): #39,472 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D464644 Telephone exchange equipment Hiroshi Yoshikawa, Toshihiko Umeda 2002-10-22
D457509 Telephone Toshihiko Umeda 2002-05-21