Quinone derivative and electrophotographic photosensitive member
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 10, 2017
Issued Date -
N/A
app pub date -
Nov 27, 2015
filing date -
Nov 28, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A quinone derivative represented by general formula (1) where, in the general formula (1), chemical groups R1 each represent, independently of one another, an alkyl group, a cycloalkyl group, an alkoxy group, an aralkyl group, or an aryl group, and R2 represents an alkyl group, an aralkyl group, a cycloalkyl group, an alkoxy group, an aryl group, or a heterocyclic group.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KYOCERA DOCUMENT SOLUTIONS INC | OSAKA JAPAN OSAKA |
International Classification(s)

- 2015 Application Filing Year
- C07D Class
- 5466 Applications Filed
- 4606 Patents Issued To-Date
- 84.27 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kojima, Kensuke | Osaka, JP | 39 | 167 |
# of filed Patents : 39 Total Citations : 167 | |||
Okada, Hideki | Osaka, JP | 148 | 614 |
# of filed Patents : 148 Total Citations : 614 | |||
Sugai, Fumio | Osaka, JP | 26 | 90 |
# of filed Patents : 26 Total Citations : 90 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- C07D Class
- 0 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

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Apr 17, 2018 | I | Issuance | |
Mar 28, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 05, 2017 | P | Published | |
Jun 07, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HEHN, MARKUS;WAIBEL, MARKUS;D'ANDREA, RAFFAELLO;REEL/FRAME:038924/0556 Owner name: VERITY STUDIOS AG, SWITZERLAND Effective Date: Jun 07, 2016 |
Jun 03, 2016 | F | Filing |

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