YK

Yasuhiro Katsumata

KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
YA Yazaki: 10 patents #448 of 3,427Top 15%
CC Central Japan Railway Comany: 6 patents #23 of 313Top 8%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
KC Koito Manufacturing Co.: 1 patents #610 of 1,047Top 60%
Overall (All Time): #120,889 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12427863 Vehicle display device Yuki Miyoshi, Akira Yamanaka, Hiroshi Sano, Yoshihide Takada, Takahiro Osawa +7 more 2025-09-30
12397642 Display unit and vehicular display device Yuki Miyoshi, Akira Yamanaka, Hiroshi Sano, Takuya Ishigami, Takayuki Mizushima 2025-08-26
12379622 Display apparatus Yuki Miyoshi, Akira Yamanaka, Hiroshi Sano, Takuya Ishigami, Takahiro Osawa 2025-08-05
12222496 Vehicle display device Yuki Miyoshi, Katsuyoshi Itahana, Takuya Ishigami, Takayuki Mizushima 2025-02-11
11885963 Head-up display device Naoto Tsubakihara, Kunikazu Takahashi, Yusuke Fujimoto, Takehisa Fukunaga, Katsuyoshi Itahana +3 more 2024-01-30
11619868 Projection device Hitoshi Kodama, Yusuke Sugiura, Katsuyoshi Itahana, Kohji Matsuura, Yu Kobayashi +1 more 2023-04-04
11586047 Head-up display device Naohisa Murata, Koichiro Hagiwara, Yusuke Fujimoto 2023-02-21
10209525 Head-up display device Hiroshi Aono, Jun Shihaku, Akira Yamanaka, Tatsuya Saito, Kohji Matsuura +2 more 2019-02-19
9126193 Photocatalytic film, method for forming photocatalytic film and photocatalytic film coated product Christopher Cordonier, Tetsuya Shichi, Kenichi Katsumata, Akira Fujishima 2015-09-08
9010267 Center-less pointer type display apparatus 2015-04-21
9012354 Photocatalytic film, method for forming photocatalytic film and photocatalytic film coated product Christopher Cordonier, Tetsuya Shichi, Kenichi Katsumata, Akira Fujishima, Takafumi Numata +1 more 2015-04-21
8646402 Indicator having rotary members to hold guide rail Tomohiro Sugiyama, Masaaki Sano 2014-02-11
8445118 Coating liquid, metal compound film formed by coating liquid, and forming method thereof Christopher Cordonier, Tetsuya Shichi, Takafumi Numata, Kenichi Katsumata, Akimasa Nakamura +4 more 2013-05-21
8147106 Automotive headlamp Toyozo Eto 2012-04-03
8003219 Coating liquid, conductive film formed by coating liquid, and forming method thereof Christopher Cordonier, Tetsuya Shichi, Takafumi Numata, Kenichi Katsumata, Akimasa Nakamura +4 more 2011-08-23
7993753 Coating liquid, titanium oxide film formed by coating liquid, and forming method thereof Christopher Cordonier, Tetsuya Shichi, Takafumi Numata, Kenichi Katsumata, Akimasa Nakamura +3 more 2011-08-09
7964283 Coating liquid, titanium oxide film formed by coating liquid, and forming method thereof Christopher Cordonier, Tetsuya Shichi, Takafumi Numata, Kenichi Katsumata, Akimasa Nakamura +3 more 2011-06-21
6635952 Semiconductor device Kazumi Inoh, Shigeru Kawanaka, Yoshihiro Minami 2003-10-21
5903027 MOSFET with solid phase diffusion source Takashi Yoshitomi, Masanobu Saito, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku +6 more 1999-05-11
5898203 Semiconductor device having solid phase diffusion sources Takashi Yoshitomi, Masanobu Saito, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku +4 more 1999-04-27
5886395 Semiconductor device having bipolar transistor with unique ratio of base gummel number to impurity concentration of collector region Chihiro Yoshino, Kazumi Inoh 1999-03-23
5766965 Semiconductor device and method of manufacturing the same Takashi Yoshitomi, Masanobu Saito, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku +4 more 1998-06-16
5698881 MOSFET with solid phase diffusion source Takashi Yoshitomi, Masanobu Saito, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku +6 more 1997-12-16
5637909 Semiconductor device and method of manufacturing the same Hiroomi Nakajima, Hiroshi Iwai, Toshihiko Iinuma, Kazumi Inou, Mitsuhiko Kitagawa +3 more 1997-06-10
5620908 Manufacturing method of semiconductor device comprising BiCMOS transistor Kazumi Inoh, Satoshi Matsuda, Chihiro Yoshino 1997-04-15