Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614805 | Method and apparatus for charging a secondary battery by supplying pulsed current as charging current | Etsuo Otsuki, Akio Hasebe, Tamiko Takeuchi | 1997-03-25 |
| 5290425 | Organic solvent electrolyte for plating film of R.sub.2 T.sub.14 B intermetallic compound permanent magnet | Tsutomu Otsuka | 1994-03-01 |