EF

Eiji Fujii

PA Panasonic: 57 patents #163 of 21,108Top 1%
Sumitomo Electric Industries: 50 patents #160 of 21,551Top 1%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
HT Hayashi Telempu: 3 patents #2 of 139Top 2%
Brother Kogyo: 3 patents #1,626 of 2,767Top 60%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
MC Matushita Electric Industrial Co.: 1 patents #3 of 106Top 3%
SY Symetrix: 1 patents #45 of 73Top 65%
Overall (All Time): #10,544 of 4,157,543Top 1%
117
Patents All Time

Issued Patents All Time

Showing 26–50 of 117 patents

Patent #TitleCo-InventorsDate
8304803 Light-emitting diode Hiroyuki Tanaka, Nobuaki Nagao, Takahiro Hamada 2012-11-06
8288020 Piezoelectric thin film and method of manufacturing the same, ink jet head, method of forming image with the ink jet head, angular velocity sensor, method of measuring angular velocity with the angular velocity sensor, piezoelectric generating element, and method of generating electric power with the piezoelectric generating element Takakiyo Harigai, Hideaki Adachi 2012-10-16
8217555 Actuator and method for driving actuator Michihito Ueda, Takakiyo Harigai, Yoshiaki Tanaka, Hideaki Adachi 2012-07-10
8193548 Light-emitting diode Hiroyuki Tanaka, Nobuaki Nagao, Takahiro Hamada 2012-06-05
8183748 Piezoelectric thin film, ink jet head, method for forming image with the ink jet head, angular velocity sensor, method for measuring angular velocity with the angular velocity sensor, piezoelectric generating element and method for generating electric power with the piezoelectric generating element Takakiyo Harigai, Hideaki Adachi 2012-05-22
8176781 Multilayer piezoelectric thin film and method of manufacturing the same, angular velocity sensor, piezoelectric generating element, and method of generating electric power using the piezoelectric Takakiyo Harigai, Hideaki Adachi 2012-05-15
8118347 Structure of mounting impact absorption material for use with vehicle Akihiro Kawashima, Masami Uratsu, Michinori Kawasumi, Tomonari Masuda, Tadashi Nishimura +3 more 2012-02-21
8093784 Piezoelectric power generating element, and method of generating electric power using the piezoelectric power generating element Takakiyo Harigai, Michihito Ueda, Hideaki Adachi 2012-01-10
8020974 Piezoelectric thin film device and piezoelectric thin film device manufacturing method, and inkjet head and inkjet recording apparatus Shintarou Hara, Osamu Watanabe, Kazumi Sadamatsu, Yuuji Toyomura 2011-09-20
7965021 Piezoelectric thin film and method of manufacturing the same, ink jet head, method of forming image with the ink jet head, angular velocity sensor, method of measuring angular velocity with the angular velocity sensor, piezoelectric generating element, and method of generating electric power with the piezoelectric generating element Takakiyo Harigai, Hideaki Adachi 2011-06-21
7870787 Piezoelectric thin film and method of manufacturing the same, angular velocity sensor, method of measuring angular velocity by the angular velocity sensor, piezoelectric generating element, and method of generating electric power using the piezoelectric generating element Takakiyo Harigai, Hideaki Adachi 2011-01-18
7837305 Piezoelectric element, ink jet head, and ink jet recording device Shintarou Hara, Osamu Watanabe, Kazumi Sadamatsu, Hideaki Horio 2010-11-23
RE41503 Method of producing plasma display panel with protective layer of an alkaline earth oxide Masaki Aoki, Hideo Torii, Mitsuhiro Ohtani, Takashi Inami, Hiroyuki Kawamura +8 more 2010-08-17
RE40871 Method of producing plasma display panel with protective layer of an alkaline earth oxide Masaki Aoki, Hideo Torii, Mitsuhiro Ohtani, Takashi Inami, Hiroyuki Kawamura +5 more 2009-08-18
7550344 Semiconductor device and method for fabricating the same Toyoji Ito, Kazuo Umeda 2009-06-23
7530676 Piezoelectric element, inkjet head, angular velocity sensor, methods for manufacturing them and inkjet recording device Atsushi Tomozawa, Hideo Torii 2009-05-12
RE40647 Method of producing plasma display panel with protective layer of an alkaline earth oxide Masaki Aoki, Hideo Torii, Mitsuhiro Ohtani, Takashi Inami, Hiroyuki Kawamura +5 more 2009-03-10
7478558 Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatus Hideo Torii, Ryoichi Takayama, Atsushi Tomozawa, Akiko Murata, Taku Hirasawa 2009-01-20
7348715 Piezoelectric element and method for manufacturing the same, and ink jet head and ink jet recording apparatus using the piezoelectric element Hideo Torii, Takeshi Kamada 2008-03-25
7312558 Piezoelectric element, ink jet head, angular velocity sensor, and ink jet recording apparatus Satoru Fujii, Takeshi Kamada, Atsushi Tomozawa 2007-12-25
7306965 Oxygen ion conductor device, method for fabricating oxygen ion conductor device, and oxygen concentration control system Hideo Torii, Taku Hirasawa, Atsushi Tomozawa 2007-12-11
7288456 Semiconductor device and method for fabricating the same Toyoji Ito, Kazuo Umeda 2007-10-30
7268036 Semiconductor device and method for fabricating the same Toyoji Ito 2007-09-11
7193756 Piezoelectric element, method for fabricating the same, inkjet head, method for fabricating the same, and inkjet recording apparatus Akiko Murata, Hideo Torii 2007-03-20
7185540 Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatus Hideo Torii, Atsushi Tomozawa, Akiko Murata, Ryoichi Takayama, Taku Hirasawa 2007-03-06