HH

Hiroyuki Hamada

Sumitomo Electric Industries: 2 patents #693 of 4,178Top 20%
NK Nippon Hoso Kyokai: 1 patents #12 of 33Top 40%
Pioneer: 1 patents #158 of 437Top 40%
SC Sumitomo Chemical: 1 patents #80 of 272Top 30%
Overall (2004): #9,236 of 270,089Top 4%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6824863 Fiber reinforced polypropylene-based composite material Takeo Kitayama 2004-11-30
6804361 Sound signal playback machine and method thereof Shintaro Hosoi 2004-10-12
6788654 Digital data receiver Akinori Hashimoto, Hisakazu Katoh, Kyoichi Saito, Tomohiro Saito, Fumiaki Minematsu 2004-09-07
6728635 Landmark update system and navigation device Kiyomi Sakamoto, Teruaki Ata, Atsushi Yamashita 2004-04-27
6700505 Lane guidance display method, and navigation device and recording medium for realizing the method Atsushi Yamashita, Kiyomi Sakamoto, Teruaki Ata 2004-03-02