YI

Yasuhiro Ichikawa

KC Koito Manufacturing Co.: 18 patents #60 of 1,047Top 6%
Canon: 15 patents #4,433 of 19,416Top 25%
NK Nippon Kayaku: 2 patents #345 of 1,103Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #96,244 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
12269439 Vehicle cleaning device, manufacturing method thereof, and assembly method thereof Masaru Sakai 2025-04-08
12060041 Foreign body removal device and drive device for foreign body removal device Takayuki Kato, Takayoshi Mochizuki, Akinobu Kubota 2024-08-13
12036957 Vehicular cleaner system, vehicle having vehicular cleaner system, vehicular cleaner and vehicle having vehicular cleaner Kazuki Kawamura, Masayuki Kondo, Hikaru NAGAI, Akinobu Kubota 2024-07-16
12012078 Vehicle cleaner Atsushi Usami, Masaru Sakai 2024-06-18
11845092 Vehicle washing device Masaru Sakai 2023-12-19
11827186 Vehicle cleaning device, manufacturing method thereof, and assembly method thereof Masaru Sakai 2023-11-28
11827188 Foreign material removing device and vehicle provided with this foreign material removing device Akinobu Kubota 2023-11-28
11794702 Cleaner, sensor with cleaner, and vehicle including cleaner or sensor with cleaner Akinobu Kubota, Junji Baba, Kazuki Kawamura 2023-10-24
11731590 Vehicular cleaner system, vehicle having vehicular cleaner system, vehicular cleaner and vehicle having vehicular cleaner Kazuki Kawamura, Masayuki Kondo, Hikaru NAGAI, Akinobu Kubota 2023-08-22
11535203 Air cleaner for vehicles Takahiro Matsunaga, Akinobu Kubota 2022-12-27
11505163 Foreign matter removal device and vehicle equipped with foreign matter removal device Hiroaki Kimura, Junji Baba, Akinobu Kubota 2022-11-22
11230271 Foreign body removal device and drive device for foreign body removal device Takayuki Kato, Takayoshi Mochizuki, Akinobu Kubota 2022-01-25
11225224 Foreign material removal device Akinobu Kubota 2022-01-18
11155244 Foreign material removing device and vehicle provided with this foreign material removing device Akinobu Kubota 2021-10-26
10661761 Foreign matter removal device and vehicle equipped with foreign matter removal device Hiroaki Kimura, Junji Baba, Akinobu Kubota 2020-05-26
10604122 Foreign matter removal device and vehicle provided with same Akinobu Kubota, Hiroaki Kimura, Junji Baba 2020-03-31
10556571 Foreign matter removal device and vehicle equipped with foreign matter removal device Akinobu Kubota, Junji Baba 2020-02-11
10436186 Foreign material removal device Akinobu Kubota 2019-10-08
7816063 Color toner and two-component developer Akira Hashimoto, Yojiro Hotta, Wakashi Iida, Kazuhiko Hayami, Hirohide Tanikawa 2010-10-19
7544457 Color toner and two-component developer Akira Hashimoto, Yojiro Hotta, Wakashi Iida, Kazuhiko Hayami, Hirohide Tanikawa 2009-06-09
7455947 Yellow toner, image forming apparatus and a method for producing a toner Tetsuya Ida, Wakashi Iida, Yojiro Hotta, Kazuhiko Hayami, Hirohide Tanikawa 2008-11-25
7300733 Black toner with defined loss tangent Nobuyoshi Sugahara, Takaaki Kohtaki, Tetsuya Ida, Kazuhiko Hayami, Nozomu Komatsu 2007-11-27
7288348 Color toner Kazuhiko Hayami, Tetsuya Ida, Nozomu Komatsu, Akira Hashimoto, Hirohide Tanikawa +5 more 2007-10-30
7147980 Toner and image forming apparatus Takayuki Itakura, Takaaki Kotaki, Takaaki Kaya, Wakashi Iida, Hiroyuki Fujikawa +3 more 2006-12-12
7112395 Color toner Tetsuya Ida, Hirohide Tanikawa, Nozomu Komatsu 2006-09-26