YI

Yasushi Iijima

Canon: 41 patents #1,035 of 19,416Top 6%
Tdk: 3 patents #1,522 of 3,796Top 45%
KL Konica Minolta Advanced Layers: 1 patents #22 of 72Top 35%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
Overall (All Time): #59,117 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
8313169 Liquid-ejecting head Masaru Iketani, Kiyomitsu Kudo, Tomotsugu Kuroda 2012-11-20
8205975 Recording apparatus Masaru Iketani, Yukuo Yamaguchi, Kiyomitsu Kudo, Satoshi Kimura 2012-06-26
8157353 Liquid ejection recording head Shigeki Fukui, Ken Ikegame, Shuichi Murakami, Yasunori Takei 2012-04-17
8109604 Inkjet recording head 2012-02-07
7780267 Recording head for ink-jet recording apparatus 2010-08-24
7735984 Liquid container Shogo Kawamura, Yasuo Kotaki, Ryoji Inoue, Hideki Ogura, Tetsuya Ohashi 2010-06-15
7448740 Inkjet cartridge Naohito Asai, Nobuyuki Matsumoto, Hirofumi Okuhara 2008-11-11
7441878 Ink jet recording head including temperature adjustment heater 2008-10-28
7434917 Ink jet recording head having temperature control heaters and nozzle arrays of differing discharge amounts 2008-10-14
7044588 Ink jet head storing structure and liquid filling method Hiroki Tajima, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto 2006-05-16
6945643 Ink jet head storing structure and liquid filling method Hiroki Tajima, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto 2005-09-20
6851795 Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for same Itaru Watanabe, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto +3 more 2005-02-08
6805437 Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method Akihiro Yamanaka, Mitsuru Kurata, Yutaka Koizumi, Hiroyuki Maeda, Takeaki Shima +6 more 2004-10-19
6799841 Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording head Junichiro Iri, Toshio Kashino, Hiroyuki Kigami, Hiroyuki Maeda, Akira Goto +1 more 2004-10-05
6733117 Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same Hiroki Tajima, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto +3 more 2004-05-11
6631982 Liquid ejecting apparatus Toshihiro Sasaki, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto +1 more 2003-10-14
6591500 Method of manufacturing a liquid discharge head Yoshiaki Suzuki, Yoshinori Tagawa, Masashi Miyagawa, Makoto Watanabe, Tatsuya Masukawa +1 more 2003-07-15
6546205 Charging circuit and accompanying equipment Takehisa Yamaguchi, Satoshi Yokota 2003-04-08
5847628 Electronic part using a material with microwave absorbing properties Fumio Uchikoba, Shigeyuki Nakajima, Takashi Ito, Taro Miura, Makoto Kobayashi +1 more 1998-12-08
5796323 Connector using a material with microwave absorbing properties Fumio Uchikoba, Shigeyuki Nakajima, Takashi Ito, Taro Miura, Makoto Kobayashi +1 more 1998-08-18
5594397 Electronic filtering part using a material with microwave absorbing properties Fumio Uchikoba, Shigeyuki Nakajima, Takashi Ito, Taro Miura, Makoto Kobayashi +1 more 1997-01-14
4981519 Hydraulic hardening material and method of manufacturing the same Kazuo Fukaya, Kazuyoshi Sato, Eiichiro Konishi, Youichi Ishikawa, Kiyoshi Koibuchi 1991-01-01