HK

Hiroyuki Kamei

SE Seiko Epson: 19 patents #952 of 7,774Top 15%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Tokyo Electronics Co.: 1 patents #46 of 101Top 50%
Overall (All Time): #195,607 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10207514 Liquid ejecting apparatus with pressure adjusting valve Hitotoshi Kimura 2019-02-19
9868295 Liquid ejecting apparatus with pressure adjusting valve Hitotoshi Kimura 2018-01-16
9527302 Liquid ejecting apparatus with pressure adjusting valve Hitotoshi Kimura 2016-12-27
8966729 Method for manufacturing piezoelectric actuator Hironobu Kazama, Takahiro Kamijo, Masato Shimada, Yuka Yonekura, Motoki Takabe 2015-03-03
7845772 Actuator device and liquid ejecting head 2010-12-07
7614128 Method of manufacturing piezoelectric element and method of manufacturing liquid-jet head 2009-11-10
7544240 Composition for ferroelectric thin film formation, ferroelectric thin film and liquid-jet head 2009-06-09
7337261 Memory apparatus connectable to a host system having a USB connector Hiroshi Sukegawa, Azusa Kanayama 2008-02-26
7069370 USB memory storage apparatus with integrated circuit in a connector Hiroshi Sukegawa, Azusa Kanayama 2006-06-27
6869170 Ink-jet recording head having a vibration plate prevented from being damaged and ink-jet recording apparatus for using the same Masato Shimada, Yoshinao Miyata, Tetsushi Takahashi 2005-03-22
6813831 Liquid jetting head, method of manufacturing the same, and liquid jetting apparatus incorporating the same Masami Murai 2004-11-09
6767084 Ink-jet recording head and ink-jet recording apparatus Souichi Moriya, Masami Murai, Kazuhiko Fujimori 2004-07-27
6764167 Ink-jet recording head inkjet recording apparatus Masato Shimada, Yoshinao Miyata, Tetsushi Takahashi 2004-07-20
6758554 Liquid jetting head, method of manufacturing the same, and liquid jetting apparatus incorporating the same Masami Murai 2004-07-06
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, Koji Sumi, Masami Murai, Tsutomu Nishiwaki 2003-04-22
6502930 Ink jet recording head, method for manufacturing the same, and ink jet recorder Masato Shimada, Akira Matsuzawa, Yoshinao Miyata, Tsutomu Nishiwaki 2003-01-07
6387225 Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element Masato Shimada, Tetsushi Takahashi, Hong Qiu 2002-05-14
6294860 Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element Masato Shimada, Tetsushi Takahashi, Hong Qiu 2001-09-25
6284434 Piezoelectric thin film element fabrication method Tsutomu Nishiwaki, Makoto Matsuzaki, Masato Shimada, Akira Matsuzawa 2001-09-04
6142615 Ink-jet recording head with piezoelectric device and method for manufacturing the same Hong Qiu, Soichi Moriya, Koji Sumi 2000-11-07
6097133 Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element Masato Shimada, Tetsushi Takahashi, Hong Qiu 2000-08-01
5027107 Frequency sensor Yasuhiro Matsuno, Hajime Terakado, Masaru Mochizuki, Heiji Moroshima 1991-06-25