CT

Chihiro Tanaka

JD Japan Display: 27 patents #123 of 1,204Top 15%
SE Seiko Epson: 20 patents #903 of 7,774Top 15%
Canon: 7 patents #7,830 of 19,416Top 45%
Ricoh Company: 6 patents #3,275 of 9,818Top 35%
DA Daicel: 1 patents #265 of 523Top 55%
ED Epson Imaging Devices: 1 patents #70 of 141Top 50%
Overall (All Time): #36,172 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 1–25 of 62 patents

Patent #TitleCo-InventorsDate
12339598 Developing device having spaced rotatable members and a developer guide portion 2025-06-24
12197147 Developing device having enhanced carrier control 2025-01-14
12152325 Dry-laid nonwoven fabric production method Takuya OSAKA, Hiroaki Shintani, Tatsuya Higashigaki, Yuki Tsukamoto, Kazuhiro Yamashita 2024-11-26
12100367 Display device Kohei Kinoshita 2024-09-24
12079409 Sensor device Hayato Kurasawa, Toshihiko Tanaka, Naoki Takada, Koji Ishizaki 2024-09-03
12039118 Touch detection device and display device with the same Naoki Takada, Toshihiko Tanaka, Hayato Kurasawa, Koji Ishizaki, Tatsuya Wakimoto +1 more 2024-07-16
11846898 Developing device 2023-12-19
11756496 Display device Kohei Kinoshita 2023-09-12
11669187 Sensor device Hayato Kurasawa, Toshihiko Tanaka, Naoki Takada, Koji Ishizaki 2023-06-06
11662849 Touch detection device and display device with the same Naoki Takada, Toshihiko Tanaka, Hayato Kurasawa, Koji Ishizaki, Tatsuya Wakimoto +1 more 2023-05-30
11556077 Image formation apparatus Tomoyuki Sakamaki, Hideki Fujita, Osamu Ariizumi, Masashi Wakisaka, Masashi Abe 2023-01-17
11475859 Display device Kohei Kinoshita 2022-10-18
11442568 Sensor device Hayato Kurasawa, Toshihiko Tanaka, Naoki Takada, Koji Ishizaki 2022-09-13
11320923 Control circuit for a display apparatus Naoki Takada, Toshihiko Tanaka 2022-05-03
11301075 Touch detection device and display device with the same Naoki Takada, Toshihiko Tanaka, Hayato Kurasawa, Koji Ishizaki, Tatsuya Wakimoto +1 more 2022-04-12
11175784 Touch panel driving circuit Toshihiko Tanaka, Naoki Takada 2021-11-16
11016593 Sensor-equipped display device and sensor device Hayato Kurasawa, Toshihiko Tanaka, Naoki Takada, Koji Ishizaki 2021-05-25
10949014 Display apparatus that includes electrodes in a frame area Hayato Kurasawa, Naoki Takada, Shota Hosaka, Toshihiko Tanaka, Taiki Kasai 2021-03-16
10942592 Display apparatus Naoki Takada, Toshihiko Tanaka 2021-03-09
10936104 Touch detective device and display device with the same Naoki Takada, Toshihiko Tanaka, Hayato Kurasawa, Koji Ishizaki, Tatsuya Wakimoto +1 more 2021-03-02
10838561 Detection apparatus and display apparatus with detection function Hayato Kurasawa, Naoki Takada, Toshihiko Tanaka, Tatsuya Wakimoto, Keita Sasanuma +1 more 2020-11-17
10831306 Display device and touch panel device Toshihiko Tanaka, Naoki Takada 2020-11-10
10739703 Developing apparatus having magnetic field generating portion 2020-08-11
10606390 Touch detection device and display device with the same Naoki Takada, Toshihiko Tanaka, Hayato Kurasawa, Koji Ishizaki, Tatsuya Wakimoto +1 more 2020-03-31
10551953 Display apparatus Naoki Takada, Toshihiko Tanaka 2020-02-04