Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804593 | Enclosed cell having safety valve mechanism and fabricating method of the same | Mitsunori Hara, Nobuhiro Nagao, Kanji Urushihara | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804593 | Enclosed cell having safety valve mechanism and fabricating method of the same | Mitsunori Hara, Nobuhiro Nagao, Kanji Urushihara | 1989-02-14 |