RT

Ritsu Tanaka

NI Ngk Insulators: 14 patents #225 of 2,083Top 15%
Overall (All Time): #353,011 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
8541102 (Li, Na, K, Bi)(Nb, Ta)O3 based piezoelectric material and manufacturing method of the same Kazuyuki Kaigawa, Hirofumi Yamaguchi 2013-09-24
8414791 Piezoelectric/electrostrictive ceramics sintered body Kazuyuki Kaigawa 2013-04-09
8277680 Method of manufacturing piezoelectric/electrostrictive ceramic composition Hirofumi Yamaguchi 2012-10-02
8193687 Piezoelectric/electrostrictive ceramics sintered body having a banded structure Kazuyuki Kaigawa, Hirofumi Yamaguchi 2012-06-05
8128834 Piezoelectric/electrostrictive porcelain composition and piezoelectric/electrostrictive element Yukinobu Yura, Hirofumi Yamaguchi 2012-03-06
8119023 Piezoelectric/electrostrictive ceramic composition manufacturing method Hirofumi Yamaguchi, Yukinobu Yura 2012-02-21
8034249 Piezoelectric/electrostrictive ceramics sintered body Kazuyuki Kaigawa 2011-10-11
7816847 Dielectric electron emitter comprising a polycrystalline substance Tsutomu Nanataki, Hirofumi Yamaguchi 2010-10-19
7598659 Piezoelectric ceramic and method of manufacturing the same Yukinobu Yura, Hirofumi Yamaguchi 2009-10-06
7576477 Piezoelectric/electrostrictive porcelain composition and method of manufacturing the same Takaaki Koizumi, Hirofumi Yamaguchi 2009-08-18
7567021 Monomorph type piezoelectric/electrostrictive device and method for manufacturing the same Hirofumi Yamaguchi, Yukinobu Yura, Shuichi Ozawa 2009-07-28
7482739 Electron emitter comprised of dielectric material mixed with metal Tsutomu Nanataki, Hirofumi Yamaguchi 2009-01-27
6401333 Method and device for three-dimensional arrangement of wire and method of manufacturing conductive material Tomio Suzuki 2002-06-11
5306368 Formation of ceramic thin film on ceramic body Hirotake Yamada 1994-04-26