AS

Akira Shimofuku

Ricoh Company: 21 patents #1,013 of 9,818Top 15%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
Overall (All Time): #204,689 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12076990 Piezoelectric actuator, liquid discharge head, liquid discharge device, and liquid discharge apparatus 2024-09-03
11145803 Piezoelectric element substrate, bonded substrate, liquid discharge head, liquid discharge unit, and liquid discharge apparatus Keishi Miwa 2021-10-12
10786988 Electromechanical transducer element, method of producing the element, liquid discharge head incorporating the element, and liquid discharge apparatus incorporating the head Atsushi Takeuchi, Osamu Machida, Shuya Abe, Masahiro Ishimori, Takuma HIRABAYASHI 2020-09-29
9969651 Precursor sol-gel solution, electromechanical transducer element, liquid droplet discharge head, and inkjet recording apparatus Atsushi Takeuchi, Osamu Machida 2018-05-15
9834853 PZT precursor solution, method for producing PZT precursor solution, method for producing PZT film, method for producing electromechanical transducer element, and method for producing liquid discharge head Yoshikazu Akiyama, Keiji Ueda 2017-12-05
9634230 Fabrication method of electromechanical transducer film, electromechanical transducer element, liquid ejection head, and inkjet recording apparatus Osamu Machida, Atsushi Takeuchi 2017-04-25
9537085 Fabrication method of electromechanical transducer film, fabrication method of electromechanical transducer element, electromechanical transducer element, liquid ejection head, and image forming apparatus Atsushi Takeuchi, Osamu Machida 2017-01-03
9533502 Electro-mechanical transducer element, liquid droplet ejecting head, image forming apparatus, and electro-mechanical transducer element manufacturing method Osamu Machida, Ryo Tashiro, Atsushi Takeuchi 2017-01-03
9512521 Manufacturing method of and manufacturing apparatus for metal oxide film Akira Watanabe, Eiichi Ohta 2016-12-06
9202717 Method of making liquid discharge head, liquid discharge head, liquid discharge apparatus having liquid discharge head, and manufacturing apparatus of liquid discharge head Atsushi Takeuchi, Osamu Machida, Xianfeng Chen, Ryo Tashiro 2015-12-01
9085145 Method of forming electromechanical transducer film, electromechanical transducer film, electromechanical transducer element, and liquid discharge head Osamu Machida, Ryoh Tashiro, Yasuhiro Watanabe 2015-07-21
9056454 Actuator, method of manufacturing the actuator, and liquid droplet ejecting head, liquid droplet ejecting apparatus, and image forming apparatus having the actuator Osamu Machida, Atsushi Takeuchi 2015-06-16
8960866 Electromechanical transducer element, liquid discharge head, liquid discharge device, and image forming apparatus Osamu Machida, Yoshikazu Akiyama, Ryo Tashiro, Eiichi Ohta, Kenichi Ogata 2015-02-24
8911063 Thin film forming apparatus, thin film forming method, electro-mechanical transducer element, liquid ejecting head, and inkjet recording apparatus Yasuhiro Watanabe, Osamu Machida, Ryo Tashiro, Atsushi Takeuchi 2014-12-16
8770725 Method of manufacturing electromechanical transducer element, electromechanical transducer element, discharging head, and inkjet recording device Yasuhiro Watanabe, Osamu Machida, Ryo Tashiro 2014-07-08
8727509 Method of forming electromechanical transducer film, electromechanical transducer film, electromechanical transducer element, and liquid discharge head Osamu Machida, Ryoh Tashiro, Yasuhiro Watanabe 2014-05-20
8713768 Method of producing piezoelectric actuator Yasuhiro Watanabe, Osamu Machida, Ryoh Tashiro 2014-05-06
8690297 Sol-gel liquid, electromechanical conversion element, liquid discharge head and inkjet recorder Keiji Ueda, Yoshikazu Akiyama, Osamu Machida, Takakazu Kihira 2014-04-08
8646180 Method for producing electromechanical transducer, electromechanical transducer produced by the method, liquid-droplet jetting head, and liquid-droplet jetting apparatus Yoshikazu Akiyama, Takakazu Kihira, Keiji Ueda, Osamu Machida 2014-02-11
8425026 Electromechanical transducer film and method for manufacturing electromechanical transducer film Osamu Machida, Yoshikazu Akiyama, Keiji Ueda 2013-04-23
7507523 Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information Katsuyuki Yamada, Shinya Narumi, Makoto Harigaya, Katsuhiko Tani, Noriyuki Iwata +7 more 2009-03-24