YM

Yasuhiko Matsumuro

Bridgestone: 4 patents #601 of 2,860Top 25%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
Overall (All Time): #1,048,126 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10442915 Rubber composition for conveyor belt, and conveyor belt Toshihiko Kurata 2019-10-15
6030108 Waterproof lighting apparatus Minoru Ishiharada, Itsuo Tanuma, Kazuo Naito, Takao Aoki, Kiyoshi Koyama 2000-02-29
5333227 Optical waveguide hose Minoru Ishiharada, Rikuhei Itou, Itsuo Tanuma, Kazuo Naito, Takao Aoki +1 more 1994-07-26
4674622 Conveyor belt Tadashi Utsunomiya, Keishi Sato, Yoshihide Fukahori, Masao Ogawa 1987-06-23
4507418 Rubber compound for conveyor belts Tadashi Utsunomiya, Hideaki Saigo 1985-03-26