KY

Kazuya Yoshijima

TO Toyota: 26 patents #728 of 26,838Top 3%
NC Nippon Gasket Co.: 10 patents #4 of 56Top 8%
TI Toyota Industries: 2 patents #605 of 1,610Top 40%
AS Ask: 1 patents #9 of 19Top 50%
NC Nippon Thompson Co.: 1 patents #103 of 178Top 60%
PC Pacific Industrial Co.: 1 patents #64 of 133Top 50%
UM Uchiyama Manufacturing: 1 patents #36 of 116Top 35%
NC Nippon Reinz Co.: 1 patents #9 of 25Top 40%
IC Ishikawa Gasket Co.: 1 patents #27 of 48Top 60%
NC Nihon Metal Gasket Co.: 1 patents #4 of 7Top 60%
Overall (All Time): #125,272 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
9840950 Oil pan Naohiro Hayashi, Naohisa Miyashita, Daisuke Uotani, Hiroyuki Sato, Naoto MATSUBARA +1 more 2017-12-12
9399935 Oil pan inner tank valve structure Tomonari Inoue, Tsutomu Okuda, Yoshifumi Taga, Hiroyuki Sato, Atsushi Konno 2016-07-26
9239112 Metal gasket Kenji Uchida, Toru Takasu 2016-01-19
8960681 Cylinder head gasket Yasumaro Takeda, Toru Takasu, Ryosuke Fujiki, Yoshihiko Masuda 2015-02-24
8714564 Cylinder head gasket Tomoyoshi Ogaeri, Shigeo Kiyoi, Masaki Chiba 2014-05-06
8297900 Composite member fixing structure Yoshiaki Sumiya, Hirotsugu Kojima, Takahiro Yamazaki 2012-10-30
8161928 Cylinder head cover Hirotsugu Kojima, Kunihiro Yamaura, Yoshiaki Sumiya, Takahiro Yamazaki 2012-04-24
8123230 Cylinder head gasket Yasumaro Takeda, Shigeo Kiyoi 2012-02-28
8113162 Cylinder head cover Yoshiaki Sumiya, Takahiro Yamazaki 2012-02-14
8105518 Method for joining first and second members to each other through a joint material Yoshiaki Sumiya, Hiroshi Koyama, Takahiro Yamazaki 2012-01-31
8042815 Cylinder head gasket and engine Yoshihiro Okuno, Tsutomu Endou, Tetsuya Hida 2011-10-25
7789056 Sleeve and cylinder head cover Naohiro Hasegawa 2010-09-07
7753378 Cylinder head gasket Yuuichi Kinoshita, Kishou Yasuda, Suguru Onuki 2010-07-13
7594488 Cylinder head cover and method for mounting cylinder head cover to cylinder head Naohiro Hasegawa 2009-09-29
7536987 Mounting structure of functional device for internal combustion engine Akihiro Osaki, Junichi Shimokata 2009-05-26
7341033 Cylinder head cover Naohiro Hasegawa 2008-03-11
7255078 Resin cylinder head cover Akihiro Osaki, Hidemi Kato 2007-08-14
7174868 Resin cylinder head cover Hidemi Kato, Akihiro Osaki, Naohiro Hasegawa 2007-02-13
7162986 Cylinder head cover Naohiro Hasegawa 2007-01-16
7121243 Valve case and resin cylinder head cover Hidemi Kato, Akihiro Osaki, Naohiro Hasegawa 2006-10-17
6659471 Gasket for sealing tri-face area Shingo Mori, Kazuyuki Geshi, Kazuya Hiroshima, Masao Murayama, Takashi Asano 2003-12-09
6588765 Monolayer metal gaskets Tsuyoshi Hiramatsu, Kiyoshi Sugimoto 2003-07-08
6575473 Metallic gasket Kiyoshi Sugimoto, Tsuyoshi Hiramatsu 2003-06-10
6502830 Metallic gasket Minoru Teranishi, Kiyoshi Sugimoto 2003-01-07
6502829 Gasket-squeeze construction Takuya Watanabe, Kiyoshi Sugimoto 2003-01-07