HK

Hiroaki Kosugi

Sumitomo Electric Industries: 4 patents #145 of 3,352Top 5%
Overall (2002): #15,768 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6459915 External adapter for a portable cellular phone Hiroyuki Nakamura, Makoto Sakakura, Takaaki Maegawa, Kenichi Takahashi 2002-10-01
6441692 PLL frequency synthesizer Toshifumi Nakatani, Hisashi Adachi, Yuji Saito, Shunsuke Hirano, Hiroshi Haruki 2002-08-27
6421530 Radio circuit having a local oscillator frequency which differs from the transmit frequency or the receive frequency and mobile radio apparatus Hisashi Adachi, Kaoru Ishida, Hiroshi Haruki, Junichi Yasuno, Kazuhiko Ikeda 2002-07-16
6347219 Transmission system, transmission/reception system, and local oscillator to be used in the same Koji Takinami, Hisashi Adachi, Ikuo Ohta, Jyunichi Yoshizumi, Toshiaki Nakamura 2002-02-12