KO

Koichi Ogawa

Sumitomo Electric Industries: 50 patents #160 of 21,551Top 1%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
TT Takara Telesystems: 4 patents #3 of 10Top 30%
KC Kuraray Co.: 3 patents #492 of 1,827Top 30%
TC Telesystems Co.: 3 patents #2 of 8Top 25%
HT Hayashi Telempu: 2 patents #9 of 139Top 7%
MC Mitsui Chemicals: 2 patents #873 of 2,279Top 40%
TC Toyo Ink Mfg. Co.: 2 patents #112 of 499Top 25%
FL Fujitsu Ten Limited: 2 patents #266 of 996Top 30%
NI Nifco: 1 patents #245 of 650Top 40%
KA Kaaz: 1 patents #4 of 15Top 30%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
MC Muramoto Industry Co.: 1 patents #7 of 16Top 45%
JC Japan Polyolefins Co.: 1 patents #37 of 85Top 45%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
📍 Ebeye: #9 of 4,528 inventorsTop 1%
Overall (All Time): #19,280 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 51–75 of 87 patents

Patent #TitleCo-InventorsDate
6716385 Ethylene (co) polymers, and laminate and hollow molding made by using the same Haruhiko Kondou, Kei Takahashi, Daizo Tabuchi, Satoshi Kanazawa 2004-04-06
6680712 Antenna having a conductive case with an opening Atsushi Yamamoto, Hiroshi Iwai 2004-01-20
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
6486847 Monopole antenna Atsushi Yamamoto, Toshimitsu Matsuyoshi 2002-11-26
6395843 Electrostatic image developing toner Hiroshi Maekawa, Kazuo Hisamatsu, Yuji Emura, Katsuhiko Mizushima 2002-05-28
6340953 Antenna device Toshihiro Teraoka, Toshio Ishizaki, Tomoya Maekawa 2002-01-22
6320542 Patch antenna apparatus with improved projection area Atsushi Yamamoto, Toshimitsu Matsuyoshi 2001-11-20
6284423 Electrostatic image developing toner Hiroshi Maekawa, Kazuo Hisamatsu, Yuji Emura, Katsuhiko Mizushima 2001-09-04
6278415 Multi-filar helical antenna and portable radio Toshimitsu Matsuyoshi, Hiroyuki Nakamura, Kenichi Takahashi 2001-08-21
6261731 Toner for developing electrostatic latent image Hirofumi Iemura, Katsuhiko Mizushima 2001-07-17
6229498 Helical antenna Toshimitsu Matsuyoshi, Kenichi Takahashi 2001-05-08
6211830 Radio antenna device Kenji Monma, Toshimitsu Matsuyoshi, Yoshio Koyanagi 2001-04-03
6188366 Monopole antenna Atsushi Yamamoto, Toshimitsu Matsuyoshi 2001-02-13
6177911 Mobile radio antenna Naoki Yuda, Yasuhiro Otomo, Hiroyuki Nakamura, Masaaki Yamabayashi 2001-01-23
6166613 Voltage-controlled resonator, method of fabricating the same, method of tuning the same, and mobile communication apparatus Yoshihiro Nakagawa, Toshio Ishizaki, Makoto Sakakura, Toshiaki Nakamura 2000-12-26
6147571 Dual-band multilayer bandpass filter Shoichi Kitazawa, Toru Yamada, Toshio Ishizaki, Makoto Fujikawa, Tadanori Fujisawa +2 more 2000-11-14
6078292 Small-sized wireless device Yoshio Koyanagi, Tsukasa Takahashi 2000-06-20
6052357 Compact optical disk apparatus having a swing-motion optical head Junichi Ichihara, Akihiko Makita 2000-04-18