KO

Koichi Ogawa

Sumitomo Electric Industries: 7 patents #63 of 3,885Top 2%
TC Toyo Ink Mfg. Co.: 1 patents #2 of 22Top 10%
📍 Ebeye: #2 of 404 inventorsTop 1%
Overall (2003): #2,981 of 273,478Top 2%
8
Patents 2003

Issued Patents 2003

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6670925 Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus Hiroshi Iwai, Atsushi Yamamoto, Shinji Kamaeguchi, Kenichi Yamada, Tsukasa Takahashi 2003-12-30
D483029 Antenna Atsushi Yamamoto 2003-12-02
6633261 Antenna and wireless device incorporating the same Hiroshi Iwai, Atsushi Yamamoto, Shinji Kamaeguchi, Tsukasa Takahashi, Kenichi Yamada 2003-10-14
6600455 M-shaped antenna apparatus provided with at least two M-shaped antenna elements Atsushi Yamamoto, Hiroshi Iwai 2003-07-29
6590538 Antenna apparatus Yoshio Koyanagi, Genji Hirokawa, Koichi Ito 2003-07-08
6549169 Antenna for mobile wireless communications and portable-type wireless apparatus using the same Toshimitsu Matsuyoshi, Hiroshi Iwai 2003-04-15
6538618 Antenna Atsushi Yamamoto, Hiroshi Iwai 2003-03-25
6515158 Toner for developing electrostatic latent image, charge control agent for use in the toner, and process for preparing the charge control agent Hirofumi Iemura, Katsuhiko Mizushima 2003-02-04