HK

Hidenori Katsumura

Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
📍 Kasai, JP: #102 of 660 inventorsTop 20%
Overall (2002): #62,675 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6366564 Diplexer duplexer and two-channel mobile communications equipment Masahiro Hiraka, Ryuichi Saito, Hiroshi Kushitani, Naoki Yuda, Shigeo Hurukawa +1 more 2002-04-02
6335663 Multiplexer/branching filter Yuki Satoh, Naoki Yuda, Tsutomu Matsumura 2002-01-01