Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 5, 2021
Grant Date -
Mar 8, 2018
app pub date -
Feb 17, 2016
filing date -
Feb 18, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A carbon material for catalyst carrier use excellent in both durability and power generation performance under operating conditions at the time of low humidity, in particular both durability of a carbon material for catalyst carrier use with respect to repeated load fluctuations due to startup and shutdown and power generation performance under operating conditions at the time of low humidity, and a catalyst for solid-polymer fuel cell use prepared using the same etc. are provided.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NIPPON STEEL CHEMICAL & MATERIAL CO LTD | 14-1 SOTOKANDA 4-CHOME CHIYODA-KU TOKYO 101-0021 |
International Classification(s)

- 2016 Application Filing Year
- H01M Class
- 5833 Applications Filed
- 4455 Patents Issued To-Date
- 76.38 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Furukawa, Shinya | Tokyo, JP | 30 | 46 |
# of filed Patents : 30 Total Citations : 46 | |||
Hayashida, Hiroyuki | Kitakyushu, JP | 22 | 108 |
# of filed Patents : 22 Total Citations : 108 | |||
Hiyoshi, Masataka | Tokyo, JP | 11 | 54 |
# of filed Patents : 11 Total Citations : 54 | |||
Iijima, Takashi | Tokyo, JP | 119 | 4218 |
# of filed Patents : 119 Total Citations : 4218 | |||
Kouno, Takumi | Kitakyushu, JP | 4 | 50 |
# of filed Patents : 4 Total Citations : 50 | |||
Matsumoto, Katsumasa | Tokyo, JP | 7 | 52 |
# of filed Patents : 7 Total Citations : 52 | |||
Mizuuchi, Kazuhiko | Kitakyushu, JP | 13 | 119 |
# of filed Patents : 13 Total Citations : 119 | |||
Negi, Noriyuki | Tokyo, JP | 33 | 214 |
# of filed Patents : 33 Total Citations : 214 | |||
Nishimoto, Takumi | Tokyo, JP | 41 | 464 |
# of filed Patents : 41 Total Citations : 464 | |||
Tadokoro, Kenichiro | Tokyo, JP | 17 | 175 |
# of filed Patents : 17 Total Citations : 175 |
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- H01M Class
- 0 % this patent is cited more than
- 4 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 5, 2028 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 5, 2032 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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