HI

Hisahiro Ishihara

NS Nidec Sankyo: 16 patents #16 of 291Top 6%
SS Sankyo Seiki Seisakusho: 3 patents #42 of 287Top 15%
AC Alps Electric Co.: 2 patents #822 of 2,177Top 40%
SC Sankyo Seiki Mfg. Co.: 1 patents #107 of 244Top 45%
Overall (All Time): #196,574 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
9778545 Lens drive device Tatsuki Wade, Katsushige Yanagisawa, Shinji Minamisawa, Tadashi Takeda, Kiyoshi Miyazaki 2017-10-03
9459464 Lens drive device Shinji Minamisawa, Katsushige Yanagisawa, Tatsuki Wade, Tadashi Takeda, Kiyoshi Miyazaki 2016-10-04
9291832 Optical unit with shake correcting function with flexible circuit board having folded-back portions Shinji Minamisawa, Tatsuki Wade, Katsushige Yanagisawa, Shinroku Asakawa, Yoshihiro Hamada +1 more 2016-03-22
9185296 Optical unit with shake correcting function Tatsuki Wade, Shinroku Asakawa, Shinji Minamisawa, Toshiyuki Karasawa, Katsushige Yanagisawa +3 more 2015-11-10
9116361 Optical unit with shake correcting function Shinji Minamisawa, Shinroku Asakawa, Tatsuki Wade, Toshiyuki Karasawa 2015-08-25
9097955 Optical unit and its manufacturing method Tadashi Takeda, Kiyoshi Miyazaki, Katsushige Yanagisawa, Jun Yamashita 2015-08-04
9049375 Optical unit with shake correcting function Tatsuki Wade, Shinroku Asakawa, Shinji Minamisawa, Toshiyuki Karasawa, Katsushige Yanagisawa +3 more 2015-06-02
9042042 Lens drive device Tatsuki Wade, Katsushige Yanagisawa, Shinji Minamisawa, Tadashi Takeda, Kiyoshi Miyazaki 2015-05-26
8687953 Photographic optical device, photographic optical system and distance variation amount detecting device Hayato Naito, Toshiyuki Karasawa, Ryoji Komatsu 2014-04-01
8682151 Optical unit with shake correcting function Shinji Minamisawa, Yoshihiro Hamada, Katsushige Yanagisawa, Shinroku Asakawa, Tadashi Takeda +1 more 2014-03-25
8571399 Photographic optical device Shinji Minamisawa, Toshiyuki Karasawa, Yuichi Takei, Tadashi Takeda, Akihiro Nagata +2 more 2013-10-29
8406617 Photographic optical device Katsushige Yanagisawa, Akihiro Nagata, Tadashi Takeda, Shinji Minamisawa, Yuichi Takei +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, Shinji Minamisawa, Yuichi Takei, Tadashi Takeda, Toshiyuki Karasawa +2 more 2013-03-12
8279289 Optical unit with shake correcting function Akihiro Nagata, Toshiyuki Karasawa, Yuichi Takei, Tadashi Takeda, Shinji Minamisawa +2 more 2012-10-02
8238736 Optical unit with shake correcting function and photographic optical device Toshifumi Tsuruta, Kiyoshi Miyazaki, Tadashi Takeda, Katsushige Yanagisawa, Toshiyuki Karasawa +3 more 2012-08-07
8224169 Optical unit with shake correcting function Toshifumi Tsuruta, Kiyoshi Miyazaki, Tadashi Takeda, Katsushige Yanagisawa, Toshiyuki Karasawa +3 more 2012-07-17
7986873 Optical unit with shake correcting function and shake correction control method therefor Toshiyuki Karasawa, Shinji Minamisawa, Yuichi Takei, Tadashi Takeda, Katsushige Yanagisawa +2 more 2011-07-26
7283433 Manufacturing method for optical head device and optical head device Katsuya Moriyama, Yasuo Fujimori 2007-10-16
6577564 Optical pickup device Tadashi Takeda, Yoshio Hayashi, Taminori Masuzawa, Yuichi Takei 2003-06-10
6445671 Optical pickup device having a shielding protection Tadashi Takeda, Yoshio Hayashi, Taminori Masuzawa, Yuichi Takei 2002-09-03
5978404 Laser beam emission apparatus 1999-11-02
5761174 Optical pickup device with split hologram element that diffracts light in direction parallel to track Tadashi Takeda, Yoshio Hayashi, Ikuo Kasuga, Kazuo Higashiura, Noriyuki Satoh 1998-06-02