KO

Kenichi Ogata

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TO Toto: 2 patents #431 of 1,113Top 40%
IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #332,948 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12275910 Lubricating oil composition Akio Kojima, Yukio Yoshida, Shota KATO, Keiichi Narita 2025-04-15
12096586 Installation structure of high voltage electrical unit on vehicle Yasuaki Nakamura, Atsushi Horiguchi, Kohei Yamada, Norihisa Tsujimura, Yasuhiro Tosaka +1 more 2024-09-17
11326119 Lubricating oil base oil, lubricating oil composition containing same, and continuously variable transmission using said lubricating oil composition Akio Kojima, Takeshi Iwasaki 2022-05-10
8960866 Electromechanical transducer element, liquid discharge head, liquid discharge device, and image forming apparatus Osamu Machida, Yoshikazu Akiyama, Ryo Tashiro, Akira Shimofuku, Eiichi Ohta 2015-02-24
8123338 Liquid droplet jet head, liquid droplet discharging apparatus, and image forming apparatus 2012-02-28
8052248 Liquid ejection head and image forming apparatus 2011-11-08
7576392 Semiconductor device including gate wiring, main electrodes and connecting plate connected onto said main electrodes Takahiro Kawano, Tatsuo Yoneda 2009-08-18
7264338 Recording head, carriage and image forming apparatus Takahiro Yoshida, Hirotoshi Eguchi 2007-09-04
6885096 Semiconductor device having at least three power terminals superposed on each other Fumio Hirahara 2005-04-26
6729716 Liquid drop jet head and ink jet recording apparatus Hirotoshi Eguchi, Shuzo Matsumoto, Kiyoshi Yamaguchi, Takayuki Hiyoshi, Mitsuru Shingyohuchi +1 more 2004-05-04
6714296 Method and apparatus for inspecting photosensitive material for surface defects 2004-03-30
6108826 Adjustable trap for a toilet stool Ryosuke Hayashi, Hiroshi Kobayashi, Makoto Watanabe, Hiroshi Okada, Hiroshi Tanaka +4 more 2000-08-29
5999640 Electronic part mounting apparatus with reflector which optimizes available light Takayuki Hatase 1999-12-07
5819326 Connecting apparatus for a toilet and a drainpipe Hiroshi Kobayashi, Makoto Watanabe, Hiroshi Okada, Hiroshi Tanaka, Toshiaki Kayahara +3 more 1998-10-13