Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824329 | Method and apparatus for controlling liquid metal flow | Hajime Yamamoto, Masanori Yamakawa, Noboru Nakao, Takashi Ikeda | 1989-04-25 |
| 4687418 | Device for making a fluid having electrical conductivity flow | Hisashi Yamamoto | 1987-08-18 |
| 4578325 | Power storage system using sodium-sulfur batteries | Fumio Kawamura, Norihiko Sagawa, Hideo Yusa | 1986-03-25 |