Patent US5107104A successfully refreshed from Google Patents.
US5107104A
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Photoelectric transducer having photosensitive chromoprotein film, i.e. bacteriorhodopsin
Assignee: Fujifilm Holdings Corp
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Filing: 1990-10-18
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Granted: 1992-04-21
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Expires: 2010-10-18
Abstract
Abstract A photoelectric transducer which comprises a photoresponsive electrode, which is provided with an oriented film of a photosensitive chromoprotein at the interface of an electrically conductive electrode substrate and an electrolyte, combined with a counter electrode.
Inventors
- 👤 Tsutomu Miyasaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:59
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/42; H; H01; H01G; H01G9/00; H01G9/20; H01M; H01M14/00; H01M14/005
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
24 words
A photoelectric transducer comprising, in sequence, an electrically conductive electrode substrate, an oriented film of a photosensitive chromoprotein, an electrolyte, and a counter electrode.
Claim 2
Dependent Claim
24 words
A photoelectric transducer comprising, in sequence, an electrically conductive electrode substrate, an oriented film of a photosensitive chromoprotein, an electrolyte, and a counter electrode.
Claim 3
Dependent Claim
17 words
A photoelectric transducer as in claim 1, wherein said photosensitive chromoprotein is bacteriorhodopsin or a derivative thereof.
Claim 4
Dependent Claim
34 words
A photoelectric transducer as in claim 2, wherein the molecules of said bacteriorhodopsin are oriented in such a direction that the amino-terminal of each protein molecule is oriented toward the electrically conductive electrode substrate.
Claim 5
Dependent Claim
20 words
A photoelectric transducer as in claim 1, wherein the electrically conductive electrode substrate is in an electrochemically cathodic polarization state.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-04-21 | 1995-10-21 | 1996-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-04-21 | 1999-10-21 | 2000-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-04-21 | 2003-10-21 | 2004-04-21 | $7700.00 | Window Closed / Lapsed |