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 26–50 of 87 patents

Patent #TitleCo-InventorsDate
7298290 DSRC controller and a method therefor 2007-11-20
7268564 Apparatus for measuring specific absorption rate of radio communication apparatus Akihiro Ozaki, Yoshio Koyanagi, Yutaka Saito, Shoichi Kajiwara, Yoshitaka Asayama +1 more 2007-09-11
7173567 Antenna Susumu Inatsugu, Hirotaka Ishihara, Tomoyuki Maeda 2007-02-06
7161555 Dielectric antenna and radio device using the same Takeshi Ohno 2007-01-09
7130591 Cell phone Hiroshi Iwai, Kenichi Yamada, Kazuhiko Ohta, Tsukasa Takahashi, Masayoshi Hirai 2006-10-31
7091921 Traveling-wave combining array antenna apparatus Takeshi Ohno, Toshihiro Teraoka, Jiro Hirokawa 2006-08-15
7088290 Dielectric loaded antenna apparatus with inclined radiation surface and array antenna apparatus including the dielectric loaded antenna apparatus Takeshi Ohno 2006-08-08
7045789 Radiation detection device for nuclear medicine diagnosis device and detecting method therefor Takuzo Takayama 2006-05-16
6985113 Radio antenna apparatus provided with controller for controlling SAR and radio communication apparatus using the same radio antenna apparatus Shotaro Nishimura, Atsushi Yamamoto, Hiroshi Iwai 2006-01-10
6919845 Apparatus for measuring specific absorption rate based on near magnetic field for use in radio apparatus Akihiro Ozaki, Yoshio Koyanagi, Yutaka Saito, Shoichi Kajiwara, Yoshitaka Asayama +1 more 2005-07-19
6917341 Top-loading monopole antenna apparatus with short-circuit conductor connected between top-loading electrode and grounding conductor Hirotaka Ishihara, Susumu Inatsugu, Tomoyuki Maeda, Atsushi Yamamoto 2005-07-12
6906677 Antenna, antenna device, and radio equipment Atsushi Yamamoto, Hiroshi Iwai 2005-06-14
6897814 Mobile radio Hiroshi Iwai, Atsushi Yamamoto, Shinji Kamaeguchi, Tsukasa Takahashi, Kenichi Yamada 2005-05-24
6882144 Electromagnetic wave measuring apparatus and method Shoichi Kajiwara, Akihiro Ozaki, Yoshio Koyanagi, Yoshitaka Asayama, Yutaka Saito 2005-04-19
D502464 Antenna Hiroshi Iwai 2005-03-01
D501847 Antenna Hiroshi Iwai 2005-02-15
6850205 Waveguide antenna apparatus provided with rectangular waveguide and array antenna apparatus employing the waveguide antenna apparatus Atsushi Yamamoto, Hiroshi Iwai 2005-02-01
6825811 Display-antenna integral structure and communication apparatus Hiroshi Iwai, Atsushi Yamamoto, Hiroaki Kosugi, Kenichi Yamada 2004-11-30
6809691 Directivity controllable antenna and antenna unit using the same Atsushi Yamamoto, Hiroshi Iwai 2004-10-26
6806835 Antenna structure, method of using antenna structure and communication device Hiroshi Iwai, Atsushi Yamamoto, Kenichi Yamada, Toshihiro Asahina, Shinji Kamaeguchi 2004-10-19
6806836 Helical antenna apparatus provided with two helical antenna elements, and radio communication apparatus provided with same helical antenna apparatus Hiroshi Iwai, Yoshio Koyanagi 2004-10-19
D491557 Antenna Hiroshi Iwai 2004-06-15
D490801 Antenna Hiroshi Iwai 2004-06-01
D490401 Antenna Hiroshi Iwai 2004-05-25
6731920 Portable telephone apparatus and control method thereof Hiroshi Iwai, Kenichi Yamada, Yoshio Koyanagi 2004-05-04