KS

Koji Sumi

SE Seiko Epson: 73 patents #72 of 7,774Top 1%
DI Daikin Industries: 2 patents #1,262 of 2,957Top 45%
TC Toho Kasei Co.: 1 patents #17 of 37Top 50%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
SJ Seiko Epson Corporation, A Japanese: 1 patents #1 of 10Top 10%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
Overall (All Time): #22,969 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 51–75 of 79 patents

Patent #TitleCo-InventorsDate
7527822 Ferroelectric thin film formation composition, ferroelectric thin film and method of fabricating ferroelectric thin film 2009-05-05
7514854 Piezoelectric element, liquid-jet head using piezoelectric element and liquid-jet apparatus Xin Li, Masami Murai, Tsutomu Nishiwaki 2009-04-07
7411339 Manufacturing method of actuator device and liquid jet apparatus provided with actuator device formed by manufacturing method of the same Li Xin-Shan, Hironobu Kazama, Masami Murai, Maki Ito, Toshiaki Yokouchi 2008-08-12
7377053 Method and device for drying substrate Norio Maeda, Hiroshi Aihara, Masao Oono, Takao Matsumoto, Naoaki Izutani 2008-05-27
7279823 Piezoelectric actuator and liquid jet head Takamitsu Higuchi, Setsuya Iwashita, Masami Murai 2007-10-09
7268472 Piezoelectric device, liquid jetting head, ferroelectric device, electronic device and methods for manufacturing these devices Takamitsu Higuchi, Setsuya Iwashita, Hiromu Miyazawa, Masami Murai, Maki Ito +1 more 2007-09-11
7137179 Method of forming a piezoelectric layer in forming a piezoelectric element including a lower electrode on one surface of a substrate Toshiaki Yokouchi 2006-11-21
7055921 Method for driving liquid-jet head and liquid-jet apparatus 2006-06-06
6962007 Method and device for drying substrate Norio Maeda, Hiroshi Aihara, Masao Oono, Naoaki Tani 2005-11-08
6943485 Piezoelectric actuator, liquid jetting head and liquid jetting device using the same 2005-09-13
6848763 Drive unit for liquid ejection head 2005-02-01
6805420 Drive unit for liquid ejection head and liquid ejection apparatus provided with such unit 2004-10-19
6803702 Piezoelectric element and method of manufacturing same Hong Qiu, Tsutomu Nishiwaki, Masanori Okuyama, Zhiqiang Wei 2004-10-12
6779878 Piezoelectronic actuator and liquid jetting head Takamitsu Higuchi, Setsuya Iwashita, Masami Murai 2004-08-24
6739703 Piezoelectric actuator and liquid discharge head Takamitsu Higuchi, Setsuya Iwashita, Masami Murai 2004-05-25
6639340 Method for manufacturing piezoelectric element, and piezoelectric element, ink-jet recording head and printer Hong Qiu, Souichi Moriya, Masato Shimada, Tsutomu Nishiwaki 2003-10-28
6571446 Method for manufacturing piezoelectric luminous element Hong Qiu, Tsutomu Nishiwaki 2003-06-03
6551652 Process for producing a piezoelectric element using a first SOL and a second SOL having a lead content greater than the first SOL Hong Qiu, Soichi Moriya, Hiroyuki Kamei, Masami Murai, Tsutomu Nishiwaki 2003-04-22
6419848 Piezoelectric actuator, ink-jet type recording head, manufacturing method therefor, and ink-jet printer Hong Qiu, Tsutomu Nishiwaki, Haruo Nakamura 2002-07-16
6419849 Method for manufacturing piezoelectric material Hong Qiu, Tsutomu Nishiwaki, Masanori Okuyama, Zhiqiang Wei 2002-07-16
6402304 Piezoelectric actuator, ink jet printing head, printer, method for manufacturing piezoelectric actuator, and method for manufacturing ink jet printing head Hong Qiu, Masato Shimada, Tsutomu Nishiwaki, Masanori Okuyama, Zhi Quiang Wei 2002-06-11
6281617 Piezoelectric luminous element, display device and method for manufacturing same Hong Qiu, Tsutomu Nishiwaki 2001-08-28
6142615 Ink-jet recording head with piezoelectric device and method for manufacturing the same Hong Qiu, Soichi Moriya, Hiroyuki Kamei 2000-11-07
6109736 Ink jet recording head containing a sealed fluid for protecting a piezoelectric vibrator Yoshinao Miyata, Masato Shimada, Kazuhiko Fujimori, Shiro Yazaki, Soichi Moriya +1 more 2000-08-29
5070275 Ion implantation device Shigehito Ibuka, Hisashi Kondo, Shigeru Sagami 1991-12-03