KN

Keita Nakagawa

Ngk Spark Plug Co.: 6 patents #306 of 1,594Top 20%
EM Eneos Materials: 1 patents #15 of 32Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #546,502 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12018152 Polybutadiene composition and method for producing same Kazushi Urayama, Takuya Sano, Takato FUKUMOTO 2024-06-25
10968881 Spark plug Masaru Kano, Kiyoteru Mori, Tomohiro Iwatsuka, Yoshiki Inoue 2021-04-06
8692921 Imaging apparatus and display apparatus capable of changing the angle of a display unit Kei Tomatsu, Toshiaki Ueda 2014-04-08
8492962 Spark plug for internal combustion engine Tsutomu Shibata 2013-07-23
8294345 Spark plug and resistor composition Haruki Yoshida, Tsutomu Shibata 2012-10-23
8242672 Spark plug having a fixation assisting member for the insulator Makoto Kuribayashi, Toshitaka Honda 2012-08-14
8217563 Spark plug for internal combustion engine and method of manufacturing the same Tsutomu Shibata 2012-07-10
7713393 Gas sensor and method for manufacturing the same Takayoshi Atsumi, Hiroshi Isomura, Toru Furuichi, Takao Kojima 2010-05-11
6988935 Foreign matter removing device and method Tadashi Shiraishi, Masatoshi Yoshida, Kazunori Kumada, Makoto Matsubayashi, Mitsuhiro Matsuda 2006-01-24