HY

Hirokazu Yoshikawa

Canon: 44 patents #929 of 19,416Top 5%
FC Furukawa Electric Co.: 2 patents #850 of 2,370Top 40%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #51,943 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDate
12304214 Printing apparatus and ink quantity detection method thereof Kei Kosaka, Tetsuya Narazaki 2025-05-20
11780231 Ejection apparatus and wiping method Kei Kosaka, Toshiyuki Chikuma 2023-10-10
11766868 Ejection apparatus and wiping method Toshiyuki Chikuma, Kei Kosaka 2023-09-26
11351794 Printing apparatus and ink quantity detection method thereof Kei Kosaka, Tetsuya Narazaki 2022-06-07
11192379 Printing apparatus, control method of the same, and transportation method of the same Tetsuya Narazaki, Kei Kosaka, Koki Shimada, Yusuke Tanaka 2021-12-07
10611154 Printing apparatus, printing method, and non-transitory computer-readable storage medium Yuji Hamasaki, Monta Matsui 2020-04-07
10118393 Printing apparatus, printing method, and non-transitory computer-readable storage medium Yuji Hamasaki, Monta Matsui 2018-11-06
9603245 Lithium-ion secondary battery, electrode for the secondary battery, and electrolytic copper foil for electrode for the secondary battery Akitoshi Suzuki, Kensaku Shinozaki, Toshio Tani, Hirokazu Sasaki, Isamu Futaba +2 more 2017-03-21
9545791 Ink jet printing apparatus and print head temperature control method Kenichi Oonuki, Hidehiko Kanda, Akiko Aichi, Hiroshi Taira 2017-01-17
9403368 Printing apparatus and printing method Toshiyuki Chikuma, Satoshi Seki, Kenichi Oonuki 2016-08-02
9126401 Recording apparatus and pattern forming method Hidehiko Kanda 2015-09-08
9108410 Printing apparatus and control method Yuji Hamasaki, Atsushi Takahashi, Kei Kosaka, Tomoyuki Tenkawa 2015-08-18
9033471 Ink jet printing apparatus and method for controlling ink jet printing apparatus Kenichi Oonuki, Kiichiro Takahashi, Toshiyuki Chikuma, Hiroshi Taira, Wakako Tanaka 2015-05-19
8894177 Recording method to determine whether a nozzle performing defective discharge exists in a recording apparatus Hidehiko Kanda 2014-11-25
8888223 Ink jet printing apparatus and print head temperature control method Kenichi Oonuki, Hidehiko Kanda, Akiko Maru, Hiroshi Taira 2014-11-18
8783832 Ink jet printing apparatus and method for controlling ink jet printing apparatus Kenichi Oonuki, Kiichiro Takahashi, Toshiyuki Chikuma, Hiroshi Taira, Wakako Tanaka 2014-07-22
8517503 Inkjet printing apparatus and method of recovering printing head Yoshito Mizoguchi, Hiroshi Tajika, Yuji Konno, Hitoshi Nishikori, Daisaku Ide +4 more 2013-08-27
8348372 Ink jet printing apparatus and ink jet printing method Toshiyuki Chikuma, Susumu Hirosawa 2013-01-08
8303070 Ink jet printing apparatus and ink jet printing method Hidehiko Kanda, Wakako Yamamoto, Yuji Hamasaki, Atsushi Sakamoto 2012-11-06
8201919 Ink-jet printing apparatus and method of controlling ink-jet printing apparatus Yoshito Mizoguchi, Yuji Konno, Daisaku Ide, Hajime Nagai 2012-06-19
8177328 Ink jet printing apparatus and ink jet printing method Hidehiko Kanda, Norihiro Kawatoko, Toshiyuki Chikuma 2012-05-15
8083311 Ink-jet printing apparatus, control method therefor, program, and storage medium Daisaku Ide, Hitoshi Nishikori, Takeshi Yazawa, Atsuhiko Masuyama, Akiko Maru +2 more 2011-12-27
8038253 Ink jet recording apparatus and maintenance method thereof Daisaku Ide, Hiroshi Tajika, Hitoshi Nishikori, Takeshi Yazawa, Atsuhiko Masuyama +2 more 2011-10-18
7997681 Ink jet printing apparatus Hiroshi Tajika, Hitoshi Nishikori, Daisaku Ide, Takeshi Yazawa, Atsuhiko Masuyama +2 more 2011-08-16
7885307 Vertical-cavity surface-emitting semiconductor laser device Kinuka Tanabe, Yoshihiko Ikenaga, Norihiro Iwai, Takeo Kageyama, Koji Hiraiwa 2011-02-08