KS

Ken Shirai

YA Yamabiko: 11 patents #3 of 132Top 3%
TO Toyota: 5 patents #5,641 of 26,838Top 25%
DE Denso: 4 patents #3,129 of 11,792Top 30%
AI Aisin: 1 patents #310 of 1,000Top 35%
📍 Wenatchee, WA: #22 of 245 inventorsTop 9%
🗺 Washington: #6,154 of 76,902 inventorsTop 9%
Overall (All Time): #290,396 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12176771 Conductor wire insulating film separating method Hideharu USHIDA, Tetsuya Matsubara, Hiroyuki Ono, Toshiro Nakamura, Yasuhiro MAKIDO +2 more 2024-12-24
11828221 Schnuerle scavenging two-stroke engine Takahiro Yamazaki, Hisato Onodera, Koichirou Ogura 2023-11-28
11658532 Stator and method of producing the same Ryosuke Maruyama, Hiroaki Takeda, Yasuhiro MAKIDO, Toshiro Nakamura 2023-05-23
11624337 Two-cycle engine Shiro Yamaguchi 2023-04-11
11598247 Two-stroke internal combustion engine Hisato Onodera, Koichirou Ogura, Tetsuya Isogai 2023-03-07
11387718 Method of removing coating layer of coil wiring Yasuyuki Hirao, Masashi Matsumoto, Hiroaki Takeda, Ryosuke Maruyama 2022-07-12
11251591 Insulation film peeling method Akihiro Ueda, Yasuyuki Hirao, Toshiro Nakamura, Hiroaki Takeda 2022-02-15
10927789 Stratified scavenging engine and portable work machine Shiro Yamaguchi, Tetsuya Isogai 2021-02-23
10587129 Electric power supply system 2020-03-10
9995189 Engine driven working machine Takahiro Yamazaki, Shunsuke Ueda, Kenta ITO 2018-06-12
9127588 Two-cycle engine Takahiro Yamazaki, Naoki Koga, Kazumichi Yamaguchi 2015-09-08
8955475 Two-stroke internal combustion engine Takahiro Yamazaki, Shirou Yamaguchi, Masaru Nozawa 2015-02-17
8894735 Intake device for engine Takahiro Yamazaki, Hisato Osawa, Yuji Numakunai 2014-11-25
8591618 Air cleaner Takahiro Yamazaki, Hisato Onodera, Koichirou Ogura 2013-11-26
8468910 Filler member for crankshaft Hisato Osawa, Takahiro Yamazaki, Yuji Numakunai 2013-06-25
8353262 Two-stroke internal combustion engine Naoki Koga, Shirou Yamaguchi, Daisuke Yamada 2013-01-15