Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840558 | Pulsating combustion system | Kazuo Saito, Ken Kishimoto | 1989-06-20 |
| 4820599 | Non-aqueous electrolyte type secondary cell | Nobuhiro Furukawa, Ikuro Nakane, Hiroshi Watanabe | 1989-04-11 |