TO

Tadao Otani

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
HC Hitachi Cable: 1 patents #9 of 82Top 15%
📍 Ibaraki, JP: #235 of 769 inventorsTop 35%
Overall (2002): #107,573 of 266,432Top 45%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6412549 Heat transfer pipe for refrigerant mixture Masaaki Itoh, Mari Uchida, Mitsuo Kudoh 2002-07-02