HO

Hisato Osawa

YA Yamabiko: 4 patents #4 of 25Top 20%
WA Walbro: 1 patents #5 of 19Top 30%
Overall (2018): #44,582 of 503,207Top 9%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10113517 Air cleaner for stratified scavenging two-stroke internal combustion engine Takahiro Yamazaki, Hidekazu Tsunoda, Yuuta Kobayashi 2018-10-30
10036304 Leading-air type two-stroke air-cooled engine Takahiro Yamazaki, Hidekazu Tsunoda, Shunsuke Ueda 2018-07-31
9988971 Air leading type two-stroke engine and intake system for same, and carburetor Takahiro Yamazaki, Hidekazu Tsunoda, Tomoyoshi KUDO 2018-06-05
9970349 Portable working machine Takuo Yoshizaki, Kosuke Matsumoto, Yuuta Kobayashi, Hiroki Ogasawara 2018-05-15