KY

Koki Yamaguchi

OT Otics: 14 patents #2 of 78Top 3%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
SU Subaru: 1 patents #677 of 1,436Top 50%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #315,837 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11820009 Robot system 2023-11-21
10260381 Variable valve mechanism of internal combustion engine Akira Sugiura 2019-04-16
10233790 Variable valve mechanism of internal combustion engine Naoki Hiramatsu, Masatoshi Sugiura 2019-03-19
10221728 Variable valve mechanism of internal combustion engine Hiroyuki Suzuki, Akira Sugiura 2019-03-05
10167749 Variable valve mechanism of internal combustion engine 2019-01-01
10047647 Variable valve mechanism of internal combustion engine Naoki Hiramatsu, Masatoshi Sugiura, Motohiro Yuge 2018-08-14
10024199 Variable valve mechanism of internal combustion engine Naoki Hiramatsu, Masahide Sakurai, Motohiro Yuge, Masaaki Tani 2018-07-17
9879577 Variable valve mechanism of internal combustion engine Naoki Hiramatsu, Takayuki Maezako, Masatoshi Sugiura, Shinichiro Kikuoka, Masaaki Tani +1 more 2018-01-30
9732641 Variable valve mechanism of internal combustion engine Masatoshi Sugiura, Naoki Hiramatsu 2017-08-15
9556762 Variable valve mechanism of internal combustion engine Masatoshi Sugiura, Naoki Hiramatsu 2017-01-31
9540969 Variable valve mechanism of internal combustion engine Masatoshi Sugiura, Naoki Hiramatsu 2017-01-10
9181826 Variable valve mechanism of internal combustion engine Akira Sugiura, Naoki Hiramatsu, Takayuki Maezako 2015-11-10
8960144 Variable valve mechanism of internal combustion engine Naoki Hiramatsu, Akira Sugiura, Takayuki Maezako 2015-02-24
8833317 Variable valve mechanism Junichi Ookawara, Dan Nagano 2014-09-16
8051817 Variable valve mechanism 2011-11-08