JH

Jumei Harada

Bridgestone: 6 patents #390 of 2,860Top 15%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
Overall (All Time): #766,977 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5225133 Method for manufacturing a golf ball mold Keisuke Ihara 1993-07-06
5194191 Preparation of thread-wound golf balls Jun Nomura 1993-03-16
4911631 Rotary roll extruder Michitoshi Sorioka 1990-03-27
4871259 Rubber-like material kneading apparatus Kazuhisa Nishigai 1989-10-03
4744745 Variable contour rubber extruder Takashi Yokoi, Keiji Yamamoto 1988-05-17
4576563 Rotary roll-type rubber extruder Keiji Yamamoto, Takashi Yokoi 1986-03-18
4470790 Adjustable extrusion die assembly Takashi Yokoi 1984-09-11