KT

Koji Takayama

Pioneer: 12 patents #107 of 1,730Top 7%
TP Tohoku Pioneer: 10 patents #14 of 312Top 5%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
CC Citizen Electronics Co.: 2 patents #123 of 252Top 50%
TE Tohoku Pioneer Electronic: 2 patents #9 of 73Top 15%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #207,463 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11076233 Sound generation device Satoru Hiwatari, Hiroyuki Dohi, Hiroyuki Kobayashi 2021-07-27
10623631 Imaging apparatus 2020-04-14
10277976 Speaker device having diaphragm with folded portion Kenichi Oshima, Hirohito Ohno, Hiroyuki Dohi, Hayami Kondo 2019-04-30
10264347 Two-way speaker device having diaphragm of second speaker unit inside voice coil bobbin of first speaker unit Kenichi Oshima, Hirohito Ohno, Hiroyuki Dohi, Hayami Kondo 2019-04-16
10148844 Imaging apparatus Mitsuyoshi Okamoto, Tomohiro Oogami, Kohei Fukugawa 2018-12-04
9438790 Image processing apparatus, image processing method, and imaging apparatus 2016-09-06
9118836 Imaging device 2015-08-25
9100628 Image processing apparatus, image processing method, and imaging apparatus 2015-08-04
9030574 Imaging apparatus capable of correcting white balance based on an output signal amplification gain and white balance gain Mariko YAMAZAKI 2015-05-12
8235167 Vibrating body for speaker and speaker device Hiroyuki Kobayashi, Toshihiro Hikichi, Takuei Nagasawa, Koji Maekawa, Kenichi Oshima +2 more 2012-08-07
8165335 Speaker and speaker unit Shinichi Hayasaka, Hiroyuki Kobayashi 2012-04-24
8045746 Speaker device Kazuki Yuze, Hiroyuki Kobayashi, Shinichi Hayasaka 2011-10-25
8023680 Mounting bracket and speaker unit Shinichi Hayasaka, Hiroyuki Kobayashi 2011-09-20
7849958 Vibration system part for speaker device and manufacturing method thereof Masatoshi Sato, Satoshi Hachiya, Hiroyuki Kobayashi 2010-12-14
7704428 Method for manufacturing diaphragm for use in electroacoustic transducer Masatoshi Sato, Shinichi Hayasaka, Hiroyuki Kobayashi 2010-04-27
7706560 Speaker apparatus Hiroyuki Kobayashi, Shinichi Hayasaka, Kazuki Yuze 2010-04-27
7489915 Squelch circuit and communication apparatus used with the same Tadaoki Yamamoto, Akira Matsuura 2009-02-10
6929092 Speaker diaphragm Yasuhisa Abe, Takashi Suzuki, Koji Matsumoto 2005-08-16
6898292 Electret microphone Haruhisa Tanabe 2005-05-24
6814181 Electrically conductive damper device for speaker Yasuhisa Abe, Koji Matsumoto, Hiroyuki Tomiyama 2004-11-09
6744896 Electret microphone Haruhisa Tanabe, Keiji Watanabe 2004-06-01