Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7640864 | Non-magnetic concrete structure, a sidewall for a guideway and a method for installing such a sidewall for the guideway | Mikio Yamazaki, Katsuhiro Tamura, Satoru Kato, Yukihisa Mine, Yoshihiro Tanaka +2 more | 2010-01-05 |
| 4911854 | Electrolyte for an electrolytic condenser | Yutaka Yokoyama, Senya Fujinari | 1990-03-27 |