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USPatent applicationPatented

FUEL CELL OUTPUT CHARACTERISTIC ESTIMATION APPARATUS AND OUTPUT CHARACTERISTIC ESTIMATION METHOD, FUEL CELL SYSTEM AND VEHICLE HAVING THE SAME, AND FUEL CELL OUTPUT CONTROL METHOD AND DATA STORAGE MEDIUM

Granted 16 Nov 2004 · 8 office actions

Assignee: Toyota Motor

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Inventors: Tetsuhiro Ishikawa, Kouta Manabe, Hiroshi Sugiura, Nobuo Watanabe · Examiner: John S. Maples

Application· this page
9990264
filed 23 Nov 2001
Publication
US 20020064697 A1
published 30 May 2002
Patent
US 6,818,337
granted 16 Nov 2004
Patented
Status
granted 16 Nov 2004
1,089
Days in prosecution
filing to grant
17
Claims as granted
3 independent
39
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transactions
2021
20-year term
term adjustment not held
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Litigation
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Life of the application

9 dated events
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Abstract

An output characteristic of a fuel cell is estimated by detecting an output current of the fuel cell and a voltage between terminals of the fuel cell, and then estimating the output characteristic of the fuel cell on the basis of the detected output current and the detected voltage between the terminals, and a basic output characteristic of the fuel cell.

Classifications

6 codes
IPC · International Patent Classification
Section H — Electricity
  • H01M8/04
USPC · US Patent Classification
429/23429/22429/25429/24429/13

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⤢ drag to zoomJan 2002Jul 2002Jan 2003Jul 2003Jan 2004Jul 2004Jan 2005USPTOApplicantRestriction requirementNon-final rejectionResponse after non-finalNotice of allowanceRequest for continued examination
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Pendency
3.0 y
1,089 days filing → grant
Office actions
1
after a restriction
Responses
1
1 RCE
Interviews
1
examiner interview summaries
Examiner
John S. Maples
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Citations: 3 back · 0 forward

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