JI

Junichiro Ichikawa

SC Sumitomo Osaka Cement Co.: 55 patents #2 of 327Top 1%
NS National Institute For Materials Science: 8 patents #33 of 901Top 4%
NE Nec: 4 patents #3,388 of 14,502Top 25%
SC Sumitomo Cement Co.: 1 patents #32 of 113Top 30%
Overall (All Time): #41,814 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #TitleCo-InventorsDate
8644647 Optical control device Futoshi Yamamoto, Yuhki Kinpara, Katsutoshi Kondou, Satoshi Oikawa 2014-02-04
8600197 Optical control device Satoshi Oikawa, Yuhki Kinpara 2013-12-03
8526768 Light control device Yuhki Kinpara, Masayuki Ichioka, Satoshi Oikawa, Yasuhiro Ishikawa 2013-09-03
8524509 Method for forming polarization reversal Futoshi Yamamoto, Satoshi Oikawa, Sunao Kurimura, Kenji Kitamura 2013-09-03
8396334 Optical waveguide device 2013-03-12
8391651 Optical waveguide device 2013-03-05
8380015 Optical control device Yuhki Kinpara, Masayuki Ichioka, Satoshi Oikawa, Yasuhiro Ishikawa 2013-02-19
8315496 Optical element Katsutoshi Kondou, Susumu Murata 2012-11-20
8293543 Method for forming polarization reversal Futoshi Yamamoto, Satoshi Oikawa, Sunao Kurimura, Kenji Kitamura 2012-10-23
8265443 Optical waveguide device Masaaki Sudou, Katsutoshi Kondou 2012-09-11
8193004 Method for forming ferroelectric spontaneous polarization reversal Futoshi Yamamoto, Satoshi Oikawa, Sunao Kurimura, Kenji Kitamura 2012-06-05
7985294 Optical device and method of manufacturing the same Futoshi Yamamoto, Katsutoshi Kondou, Masaru Nakamura, Sunao Kurimura, Shunji Takekawa +1 more 2011-07-26
7925123 Optical control device Satoshi Oikawa, Yuhki Kinpara 2011-04-12
7912326 Optical control device Satoshi Oikawa, Yuhki Kinpara, Yuji Yamane 2011-03-22
7899338 Method and device for controlling bias of optical modulator Yoshihiro Hashimoto, Kaoru Higuma, Takahisa Fujita 2011-03-01
7873244 Light control device Yuhki Kinpara, Satoshi Oikawa 2011-01-18
7869668 Method for generating carrier residual signal and its device Yoshihiro Hashimoto, Kaoru Higuma, Shingo Mori, Yozo Shoji, Hiroyo Ogawa 2011-01-11
7831122 Optical control device and manufacturing method thereof Katsutoshi Kondou, Yuhki Kinpara, Futoshi Yamamoto 2010-11-09
7768696 THZ wave generator Kaoru Higuma, Shingo Mori 2010-08-03
7764422 THz wave generation device 2010-07-27
7689067 Nested modulator Kaoru Higuma, Futoshi Yamamoto, Satoshi Oikawa, Shingo Mori, Sunao Kurimura +4 more 2010-03-30
7444039 Optical modulator Katsutoshi Kondou, Masayuki Ichioka, Takashi Shinriki, Tohru Sugamata 2008-10-28
7397974 Optical modulator Takahisa Fujita, Yuji Yamane, Norikazu Miyazaki, Mitsuru Sakuma 2008-07-08
7362924 Optical modulator Masayuki Ichioka, Katsutoshi Kondou, Yasuhiro Ishikawa, Takashi Shinriki, Satoshi Oikawa 2008-04-22
7310453 Optical modulator Masayuki Ichioka, Tokutaka Hara, Yuji Yamane 2007-12-18