KT

Kazuhisa Takagi

Mitsubishi Electric: 43 patents #197 of 25,717Top 1%
AR Asahi Rubber: 6 patents #4 of 63Top 7%
SC Sanken Electric Co.: 2 patents #130 of 315Top 45%
AC Asahi Fr R&D Co.: 1 patents #4 of 13Top 35%
KK Kabushiki Kaisha Fine Rubber Kenkyuusho: 1 patents #2 of 8Top 25%
Overall (All Time): #50,910 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDate
10903619 Semiconductor package 2021-01-26
10636952 Flexible peltier device and temperature regulation apparatus Koichi Abe, Nobuyoshi Watanabe, Syuhei TOYOSHIMA 2020-04-28
10063031 Method for manufacturing optical device 2018-08-28
9698566 Optical module 2017-07-04
9147997 Optical semiconductor device Takeshi Saito, Masakazu Takabayashi, Eitaro Ishimura, Tohru Takiguchi, Keisuke Matsumoto +1 more 2015-09-29
9042008 Optical semiconductor device Takeshi Saito, Masakazu Takabayashi, Eitaro Ishimura, Tohru Takiguchi, Keisuke Matsumoto +1 more 2015-05-26
8780949 Optical semiconductor device 2014-07-15
8724933 Optical device 2014-05-13
8715533 Dielectric raw material, antenna device, portable phone and electromagnetic wave shielding body Yuko Takami, Yuji Koyamashita 2014-05-06
8655116 Optical modulator Eitaro Ishimura, Keisuke Matsumoto, Takeshi Saito 2014-02-18
8526478 Semiconductor optical integrated element Eitaro Ishimura, Keisuke Matsumoto, Takeshi Saito 2013-09-03
8279905 Method of manufacturing semiconductor optical element 2012-10-02
8179942 Semiconductor optical element 2012-05-15
8144741 Semiconductor laser 2012-03-27
8068527 Semiconductor optical element 2011-11-29
8062466 Base material for adhesion and silicone rubber-adhered article using thereof Kunio Mori 2011-11-22
7773651 Semiconductor laser 2010-08-10
7773652 Gain-coupled distributed feedback semiconductor laser having an improved diffraction grating Keisuke Matsumoto 2010-08-10
7706422 Semiconductor optical element 2010-04-27
7397833 Semiconductor laser 2008-07-08
7365904 Optical wavelength converter Keisuke Matsumoto, Toshitaka Aoyagi 2008-04-29
7274953 Portable telephone with reduced specific absorption rate and improved efficiency Yuko Furukawa, Yuji Koyamashita, Shigeru Kusunoki, Sohji Tsuchiya 2007-09-25
7218658 Semiconductor laser device 2007-05-15
7177337 Semiconductor optical integrated circuit 2007-02-13
7092145 Optical wavelength converter 2006-08-15