TT

Tadashi Takeda

NS Nidec Sankyo: 33 patents #3 of 291Top 2%
SS Sankyo Seiki Seisakusho: 11 patents #5 of 287Top 2%
SC Sankyo Seiki Mfg. Co.: 9 patents #4 of 244Top 2%
AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #33,722 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 26–50 of 65 patents

Patent #TitleCo-InventorsDate
9097955 Optical unit and its manufacturing method Kiyoshi Miyazaki, Katsushige Yanagisawa, Jun Yamashita, Hisahiro Ishihara 2015-08-04
9042042 Lens drive device Tatsuki Wade, Katsushige Yanagisawa, Shinji Minamisawa, Kiyoshi Miyazaki, Hisahiro Ishihara 2015-05-26
8682151 Optical unit with shake correcting function Shinji Minamisawa, Yoshihiro Hamada, Katsushige Yanagisawa, Shinroku Asakawa, Hisahiro Ishihara +1 more 2014-03-25
8571399 Photographic optical device Shinji Minamisawa, Toshiyuki Karasawa, Yuichi Takei, Akihiro Nagata, Hisahiro Ishihara +2 more 2013-10-29
8406617 Photographic optical device Katsushige Yanagisawa, Akihiro Nagata, Shinji Minamisawa, Yuichi Takei, Hisahiro Ishihara +2 more 2013-03-26
8396357 Optical unit with shake correction function, optical apparatus, and method of manufacturing optical unit with shake correction function Katsushige Yanagisawa, Hisahiro Ishihara, Shinji Minamisawa, Yuichi Takei, Toshiyuki Karasawa +2 more 2013-03-12
8279289 Optical unit with shake correcting function Akihiro Nagata, Toshiyuki Karasawa, Yuichi Takei, Hisahiro Ishihara, Shinji Minamisawa +2 more 2012-10-02
D665304 Female part of a snap button 2012-08-14
8238736 Optical unit with shake correcting function and photographic optical device Toshifumi Tsuruta, Kiyoshi Miyazaki, Hisahiro Ishihara, Katsushige Yanagisawa, Toshiyuki Karasawa +3 more 2012-08-07
D664891 Male part of a snap button 2012-08-07
8224169 Optical unit with shake correcting function Toshifumi Tsuruta, Kiyoshi Miyazaki, Hisahiro Ishihara, Katsushige Yanagisawa, Toshiyuki Karasawa +3 more 2012-07-17
7986873 Optical unit with shake correcting function and shake correction control method therefor Hisahiro Ishihara, Toshiyuki Karasawa, Shinji Minamisawa, Yuichi Takei, Katsushige Yanagisawa +2 more 2011-07-26
6961297 Optical head device 2005-11-01
6815477 Flame-retardant polyamide resin composition, and electrical parts employing the same Toshihiro Arai, Katsuo Kobori, Osamu Hamazoe 2004-11-09
6775065 Diffraction element and optical pickup device Kenichi Hayashi 2004-08-10
6633530 Optical pickup apparatus with light source unit including first light source and common light receiving section 2003-10-14
D477246 Fastener receptacle on flexible strip 2003-07-15
6577564 Optical pickup device Hisahiro Ishihara, Yoshio Hayashi, Taminori Masuzawa, Yuichi Takei 2003-06-10
6552317 Optical pickup device Yuichi Takei, Yoshio Hayashi 2003-04-22
6489599 Optical pickup device 2002-12-03
6445671 Optical pickup device having a shielding protection Hisahiro Ishihara, Yoshio Hayashi, Taminori Masuzawa, Yuichi Takei 2002-09-03
6438075 Light-pick-up device and light source unit incorporated in the same Yoshio Hayashi, Taminori Masuzawa 2002-08-20
6204314 Film retardant polyamide resin composition Toshihiro Arai, Osamu Hamazoe, Hiroshi Kirikoshi 2001-03-20
6184512 Semiconductor laser apparatus and optical pickup apparatus Kazuo Higashiura, Yoshio Hayashi 2001-02-06
6167017 Optical head assembly having means for detecting tracking errors based on astigmatisms generated by returning beams Kazuo Higashiura 2000-12-26