YT

Yasuyuki Tamura

Canon: 106 patents #85 of 19,416Top 1%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
Bridgestone: 3 patents #795 of 2,860Top 30%
Overall (All Time): #10,918 of 4,157,543Top 1%
115
Patents All Time

Issued Patents All Time

Showing 26–50 of 115 patents

Patent #TitleCo-InventorsDate
7138692 Semiconductor device Takaoki Sasaki 2006-11-21
6969135 Recording apparatus 2005-11-29
6946351 Method for fabricating a semiconductor device Chikako Yoshida, Hiroshi Minakata, Masaomi Yamaguchi, Shinji Miyagaki 2005-09-20
6926392 Liquid ejection head Toshiaki Sasaki, Keiichi Murai, Sadayuki Sugama, Akira Asai, Tsutomu Kawai +1 more 2005-08-09
6923522 Recording apparatus and recording method Hideki Tanaka, Hiroto Takahashi, Shinji Takagi, Makoto Shioya, Masayoshi Tachihara +2 more 2005-08-02
6837564 Head, recording apparatus having the head, method for identifying the head, and method for giving identification information to the head Yuichiro Akama, Mineo Kaneko, Masayoshi Tachihara, Shuichi Murakami, Michinari Mizutani +1 more 2005-01-04
6802583 Ink jet print head and ink jet printing apparatus 2004-10-12
6779872 Ink jet recording method and ink jet recording apparatus Makoto Shioya 2004-08-24
6780699 Semiconductor device and method for fabricating the same Yusuke Morisaki, Yoshihiro Sugita, Kiyoshi Irino, Takayuki Aoyama, Chikako Yoshida +3 more 2004-08-24
6601940 Head, recording apparatus having the head, method for identifying the head, and method for giving identification information to the head Yuichiro Akama, Mineo Kaneko, Masayoshi Tachihara, Shuichi Murakami, Michinari Mizutani +1 more 2003-08-05
6520613 Recording head and recording apparatus 2003-02-18
6513906 Recording apparatus and recording method Hideki Tanaka, Hiroto Takahashi, Shinji Takagi, Makoto Shioya, Masayoshi Tachihara +2 more 2003-02-04
6491372 Ink jet recording method and ink jet recording apparatus Makoto Shioya 2002-12-10
6447088 Ink-jet head, an ink-jet-head cartridge, an ink-jet apparatus and an ink-jet recording method used in gradation recording Masayoshi Tachihara 2002-09-10
6447085 Driving method of ink-jet recording head, and recording apparatus for performing the driving method Takayuki Yagi, Akira Asai, Tatsuo Furukawa, Katsuhiko Shinjo, Hidenori Watanabe +2 more 2002-09-10
6439712 Ink liquid fixing device and ink jet recording apparatus provided with such ink liquid fixing device Michinari Mizutani 2002-08-27
6350016 Liquid ejecting method and liquid ejecting head Masayoshi Tachihara, Shuichi Murakami 2002-02-26
6260939 Tone recording method using ink jet recording head that records pixels using a plurality of liquid droplets Makoto Shioya, Hiroto Takahashi, Masayoshi Tachihara, Tadashi Yamamoto, Genji Inada +2 more 2001-07-17
6217142 Ink jet recording system using decomposed images Makoto Shioya 2001-04-17
6183066 Ink jet recording head having a common wiring structure and ink jet recording apparatus Shin'ichi Hirasawa 2001-02-06
6174049 Bubble jet head and bubble jet apparatus employing the same Masayoshi Tachihara, Mineo Kaneko, Makoto Shioya 2001-01-16
6139130 Substrate and liquid jet recording head with particular electrode and resistor structures Hiroto Takahashi, Mineo Kaneko 2000-10-31
6137510 Ink jet head Tamaki Sato, Mineo Kaneko, Masayoshi Tachihara, Yasutomo Watanabe, Shuichi Murakami +2 more 2000-10-24
6056385 Method of operating and an apparatus using an ink jet recording head having serially connected energy generating means 2000-05-02
5988798 Fluid ejection head with multi-dimensional fluid path Shin'ichi Hirasawa, Hiroto Takahashi, Makoto Shioya, Masayoshi Tachihara, Hiroyuki Maeda +1 more 1999-11-23