HY

Hirofumi Yamaguchi

NI Ngk Insulators: 58 patents #16 of 2,083Top 1%
KS Kyocera Document Solutions: 8 patents #425 of 1,545Top 30%
TL Tokyo Electron Limited: 8 patents #950 of 5,567Top 20%
KC Kokusan Denki Co.: 3 patents #35 of 128Top 30%
MJ Mahle Electric Drives Japan: 1 patents #3 of 15Top 20%
SC Sumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
DI Dic: 1 patents #467 of 844Top 60%
📍 Nirasaki, JP: #1 of 5 inventorsTop 20%
Overall (All Time): #22,033 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 51–75 of 81 patents

Patent #TitleCo-InventorsDate
7598659 Piezoelectric ceramic and method of manufacturing the same Yukinobu Yura, Ritsu Tanaka 2009-10-06
7592405 Fluorine-containing photocurable composition Tsuneyuki Otaguro, Hiroshi Kinoshita, Kiyofumi Takano 2009-09-22
7576477 Piezoelectric/electrostrictive porcelain composition and method of manufacturing the same Takaaki Koizumi, Ritsu Tanaka 2009-08-18
7576479 Electron emitter Kei Sato, Tetsuya Hattori, Shuichi Ozawa 2009-08-18
7567021 Monomorph type piezoelectric/electrostrictive device and method for manufacturing the same Ritsu Tanaka, Yukinobu Yura, Shuichi Ozawa 2009-07-28
7511409 Dielectric film element and composition Kei Sato, Toshikatsu Kashiwaya 2009-03-31
7495378 Dielectric device Tsutomu Nanataki, Nobuyuki Kobayashi 2009-02-24
7482739 Electron emitter comprised of dielectric material mixed with metal Tsutomu Nanataki, Ritsu Tanaka 2009-01-27
7477004 Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive article, and piezoelectric/electrostrictive film type element Tsutomu Nanataki, Toshikatsu Kashiwaya 2009-01-13
7466108 Battery charging control device Hidetoshi Suzuki, Shuichi Muramatsu, Masaki Asari 2008-12-16
7441317 Piezoelectric/electrostrictive device and method for manufacturing the same Takaaki Koizumi 2008-10-28
7425790 Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive device, and method of piezoelectric/electrostrictive device Tsutomu Nanataki, Toshikatsu Kashiwaya, Yuya Kikuta 2008-09-16
7332851 Piezoelectric/electrostrictive film type device and method of manufacturing the same Tsutomu Nanataki, Toshikatsu Kashiwaya, Takaaki Koizumi 2008-02-19
7276462 Dielectric composition and dielectric film element Kei Sato, Toshikatsu Kashiwaya 2007-10-02
7221075 Piezoelectric/electrostrictive device Tsutomu Nanataki, Kunihiko Yoshioka 2007-05-22
7183694 Piezoelectric/electrostrictive device Tsutomu Nanataki, Kunihiko Yoshioka 2007-02-27
7126255 Piezoelectric/electrostrictive film-type device Takatoshi Nehagi, Kunihiko Yoshioka 2006-10-24
6919667 Piezoelectric/electrostrictive film device Toshikatsu Kashiwaya, Kazuhiro Yamamoto, Masao Takahashi 2005-07-19
6887397 Piezoelectric/electrostrictive material and process for production thereof Takaaki Koizumi 2005-05-03
6702952 Piezoelectric/electrostrictive material and method for preparing the same Takaaki Koizumi 2004-03-09
6617274 Electric-field-inducible deformable material Toshikatsu Kashiwaya 2003-09-09
6541895 Piezoelectric/electrostrictive film element 2003-04-01
6531070 Piezoelectric body Takaaki Koizumi 2003-03-11
6495945 Piezoelectric/electrostrictive element Nobuo Takahashi 2002-12-17
6448623 Piezoelectric/electrostrictive film type device Nobuo Takahashi, Mutsumi Kitagawa 2002-09-10