HY

Harumichi Yamazaki

Bridgestone: 4 patents #601 of 2,860Top 25%
Overall (All Time): #1,290,844 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5540489 Rubber track assembly Tateo Muramatsu, Masaru Ishibashi 1996-07-30
5447365 Rubber track assembly Tateo Muramatsu, Masaru Ishibashi 1995-09-05
5295741 Core bar for rubber track and rubber track traveling device Sumio Togashi, Tateo Muramatsu 1994-03-22
4630808 Vibration isolating devices Takao Ushijima 1986-12-23