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

PATENT NO 10886539
APP PUB NO 20180069247A1
SERIAL NO

15551879

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

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

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CHEMICAL & MATERIAL CO LTD14-1 SOTOKANDA 4-CHOME CHIYODA-KU TOKYO 101-0021

International Classification(s)

loading....
  • 2016 Application Filing Year
  • H01M Class
  • 5833 Applications Filed
  • 4455 Patents Issued To-Date
  • 76.38 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furukawa, Shinya Tokyo, JP 30 46
Hayashida, Hiroyuki Kitakyushu, JP 22 108
Hiyoshi, Masataka Tokyo, JP 11 54
Iijima, Takashi Tokyo, JP 119 4218
Kouno, Takumi Kitakyushu, JP 4 50
Matsumoto, Katsumasa Tokyo, JP 7 52
Mizuuchi, Kazuhiko Kitakyushu, JP 13 119
Negi, Noriyuki Tokyo, JP 33 214
Nishimoto, Takumi Tokyo, JP 41 464
Tadokoro, Kenichiro Tokyo, JP 17 175

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • H01M Class
  • 0 % this patent is cited more than
  • 4 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges26231073142101 - 1011 - 2021 - 3071 - 8002004006008001000120014001600180020002200240026002800

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
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