KT

Keiji Tsukada

HI Hitachi: 33 patents #772 of 28,497Top 3%
HH Hitachi High-Technologies: 4 patents #621 of 1,917Top 35%
OU Okayama University: 1 patents #1 of 18Top 6%
Overall (All Time): #65,307 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
11275128 Magnetic field measuring device 2022-03-15
9146214 Leakage magnetic flux flaw inspection method and device 2015-09-29
8710440 Measuring device and measuring method that use pulsed electromagnetic wave Toshihiko Kiwa 2014-04-29
8608927 Ion sensor 2013-12-17
8300223 Measurement device for the distribution of chemical concentration Toshihiko Kiwa 2012-10-30
8283704 Gas sensor 2012-10-09
7798981 Living body inspection apparatus Akihiko Kandori, Tsuyoshi Miyashita, Kenko Uchida, Hideo Kawaguchi, Minoru Sakairi 2010-09-21
7759931 Device for measuring magnetic impedance Toshihiko Kiwa 2010-07-20
7525308 Magnetic detecting device and material identifying device Toshihiko Kiwa 2009-04-28
7455648 Living body inspection apparatus Akihiko Kandori, Tsuyoshi Miyashita, Kenko Uchida, Hideo Kawaguchi, Minoru Sakairi 2008-11-25
7432705 Magnetic shields and instruments for measuring biomagnetic fields Yusuke Seki, Daisuke Suzuki, Kuniomi Ogata 2008-10-07
7433506 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor Kazuhisa Machida, Takafumi Kawasaki, Hiroyuki Suzuki 2008-10-07
7403809 Biomagnetic field measuring method and apparatus Akihiko Kandori, Kenichi Okajima, Hitoshi Sasabuchi, Hiroyuki Suzuki, Shoji Kondo +1 more 2008-07-22
7400984 Biomagnetic measurement apparatus Akihiko Kandori, Tsuyoshi Miyashita, Kuniomi Ogata 2008-07-15
7363070 Biomagnetic measurement apparatus Kuniomi Ogata, Akihiko Kandori, Tsuyoshi Miyashita 2008-04-22
7340289 Biomagnetic field measuring apparatus Akihiko Kandori, Tsuyoshi Miyashita, Masahiro Murakami, Kuniomi Ogata 2008-03-04
7193413 Magnetic field measurement apparatus Akihiko Kandori, Daisuke Suzuki 2007-03-20
7194121 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor Kazuhisa Machida, Takafumi Kawasaki, Hiroyuki Suzuki 2007-03-20
6961605 Method for processing biomagnetic field data, magnetic field contour mapping, forming their waveforms and a biomagnetic instrument using the same Hiroyuki Suzuki, Kazuhisa Machida, Takafumi Kawasaki 2005-11-01
6853185 Magnetic field measurement system Akira Tsukamoto, Koichi Yokosawa, Daisuke Suzuki, Akihiko Kandori 2005-02-08
6842637 Magnetic field measurement apparatus Akihiko Kandori, Tsuyoshi Miyashita, Hiroyuki Suzuki, Hitoshi Sasabuchi 2005-01-11
6815949 Apparatus for measuring a magnetic field Akihiko Kandori, Tsuyoshi Miyashita, Koichi Yokosawa, Daisuke Suzuki, Akira Tsukamoto 2004-11-09
6745063 Biomagnetic field measuring apparatus Tsuyoshi Miyashita, Akihiko Kandori, Daisuke Suzuki, Koichi Yokosawa 2004-06-01
6735460 Biomagnetic field measuring method and apparatus Akihiko Kandori, Kenichi Okajima, Hitoshi Sasabuchi, Hiroyuki Suzuki, Shoji Kondo +1 more 2004-05-11
6711281 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, and method of displaying biomagnetic field data, and apparatus therefor Kazuhisa Machida, Takafumi Kawasaki, Hiroyuki Suzuki 2004-03-23