KK

Kei Kosaka

Canon: 26 patents #2,250 of 19,416Top 15%
NI Ngk Insulators: 12 patents #265 of 2,083Top 15%
Overall (All Time): #84,734 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 25 most recent of 38 patents

Patent #TitleCo-InventorsDate
12409661 Liquid discharge apparatus and control method thereof Tetsuya Narazaki 2025-09-09
12304214 Printing apparatus and ink quantity detection method thereof Hirokazu Yoshikawa, Tetsuya Narazaki 2025-05-20
12007352 Gas sensor Yuki NAKAYAMA, Shota Kageyama, Yusuke FUJII 2024-06-11
11919309 Liquid discharge apparatus, control method, and computer-readable storage medium Tetsuya Narazaki 2024-03-05
11833816 Printing apparatus and recovery method therefor Satoko Yaita 2023-12-05
11827023 Liquid discharge apparatus and control method thereof Tetsuya Narazaki 2023-11-28
11780231 Ejection apparatus and wiping method Hirokazu Yoshikawa, Toshiyuki Chikuma 2023-10-10
11766868 Ejection apparatus and wiping method Hirokazu Yoshikawa, Toshiyuki Chikuma 2023-09-26
11692986 Sensor element and gas sensor Yuki NAKAYAMA, Shota Kageyama, Yusuke FUJII 2023-07-04
11474089 Sensor element and gas sensor Yuki NAKAYAMA, Shota Kageyama, Yusuke FUJII 2022-10-18
11391691 Gas sensor Yuki NAKAYAMA, Shota Kageyama, Yusuke FUJII 2022-07-19
11391689 Gas sensor Yuki NAKAYAMA, Shota Kageyama, Yusuke FUJII 2022-07-19
11351794 Printing apparatus and ink quantity detection method thereof Hirokazu Yoshikawa, Tetsuya Narazaki 2022-06-07
11338579 Printing apparatus and recovery method therefor Satoko Yaita 2022-05-24
11192379 Printing apparatus, control method of the same, and transportation method of the same Tetsuya Narazaki, Hirokazu Yoshikawa, Koki Shimada, Yusuke Tanaka 2021-12-07
10427411 Ink-jet printing apparatus and cleaning method Tomoyuki Tenkawa, Monta Matsui, Satoko Yaita 2019-10-01
10286649 Inkjet recording apparatus and cleaning method Satoko Furuyama, Tomoyuki Tenkawa, Monta Matsui 2019-05-14
10207506 Inkjet printing apparatus and recovery method of print head Osamu Iwasaki, Tomoyuki Tenkawa, Atsushi Takahashi 2019-02-19
10201977 Ink-jet printing apparatus and cleaning method Tomoyuki Tenkawa, Monta Matsui, Satoko Furuyama 2019-02-12
9597888 Printing apparatus and ink amount control method for ink tank Atsushi Takahashi, Tomoyuki Tenkawa, Naozumi Nabeshima 2017-03-21
9517628 Printing apparatus, method, and non-transitory storage medium Tomoyuki Tenkawa, Atsushi Takahashi 2016-12-13
9446595 Ink jet printing apparatus and method for controlling the same Kei Takarabe, Akiyoshi Sahara, Toshiyuki Kuroda, Atsushi Takahashi, Tomoyuki Tenkawa 2016-09-20
9340009 Printing apparatus and processing method therefor Yoshiaki Murayama, Satoshi Azuma, Makoto Torigoe, Shigeyasu Nagoshi 2016-05-17
9272522 Printing apparatus and ink amount detection method Atsushi Takahashi, Tomoyuki Tenkawa, Akiyoshi Sahara, Toshiyuki Kuroda, Kei Takarabe 2016-03-01
9138991 Printing apparatus and control method thereof Takeshi Murase, Atsushi Sakamoto, Minoru Teshigawara 2015-09-22