Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600636 | Core material for an automobile bumper | Shohei Yoshimura | 1986-07-15 |
| 4504534 | Core material for automobile bumpers | Takashi Kubota, Yukio Okada, Kenichi Miyazaki, Taro Hagiwara | 1985-03-12 |
| 4268295 | Method for manufacturing crushed sands from blast furnace water granulated slags | Katsuji Yamamoto, Yuichiro Iwasaki, Toshiro Kawata, Keisuke Nagano, Seiichi Fujita +1 more | 1981-05-19 |