JP2500880B2
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Fuel cell
Assignee: Hitachi Ltd
•
Filing: 1991-08-30
•
Granted: 1996-05-29
•
Expires: 2011-08-30
Abstract
No abstract record available.
Inventors
- 👤 正 吉田
- 👤 馨象 大塚
- 👤 俊樹 加原
- 👤 正 高島
- 👤 務 高橋
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-01 01:01
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/24; H01M8/2465; H01M8/247; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.