NEW YORK, April 12, 2011 /PRNewswire/ -- Reportlinker.com announces that a new market research report is available in its catalogue:

IP Overview – LiMxMn2-xO4 cathode materials for batteries Patent Landscape 2011

http://www.reportlinker.com/p0471605/IP-Overview-–-LiMxMn2-xO4-cathode-materials-for-batteries-Patent-Landscape-2011.html

IP Overview presents a patent mapping analysis of the "LiMxMn2-xO4 cathode materials for batteries" field. Spinel lithium manganese oxide (LiMn2O4) has been investigated since the early 90's as one of the most serious alternative to the LiCoO2 cathode. Despite the low-cost and low impact on the environment of Manganese versus Cobalt, lower energy density and capacity fading have however limited its potential applications and wide market acceptance. This capacity fading being due to the dissolution of manganese, significant R&D has been performed in order to improve capacity, energy density and rate capability. The substitution of Manganese by several dopants has been investigated as well as the coating of the cathode by different active materials and the use of specific anode materials (commercially LTO) and electrolytes. In particular, LiNi0.5Mn1.5O4 and derivatives has been investigated as a promising candidate for a 2015-2020 high energy density 5V cells. With the expiry or near expiry of the historical patents (like the Panasonic 1989 JP3219571), younger portfolio emerges and acquires a blocking position (like the ones among others from Tosoh Corp and Japan Storage Battery, now GS YUASA). Facing the Japanese patent monopoly, emerging institutional players arise in China, US and Europe.

The present report analyses the patent environment and notably highlights the strategy of current major players which are not necessarily the major patent holders. These major patent holders are end-users (Samsung, Sony, Mitsubishi, LG, NEC, Panasonic), battery manufacturers (Japan Storage Battery, Yuasa Battery, NGK Insulators, Denso Corp, Shin Kobe electric, Sanyo) and material manufacturers (Mitsui Mining Smelting, Sumitomo Metal Mining, UBE Industries, Nippon Chemical, Tosoh Corp).

In a competitive sector where over 900 patents and patent applications have been filed, this « IP Overview – LiMxMn2-xO4 cathode materials for batteries » provides you with a comprehensive panorama of the intellectual property landscape and helps you:

- Position your company's R&D and IP Portfolio

- Identify key inventors and key players involved in specific doping compositions

- Understand the collaboration networks and theirs dynamics

Please note that a three months access to the full patent database is also included

Generalities

Brief outline of the technology

Manufacturers involved in spinel LMO

Roadmap of emerging battery technologies

Patent Query

World analysis

Evolution of patent filings (1989-2010)

Main applicants

Part of the portfolio hold by the 10 first applicants

Breakdown of filings of the main institutional over time

Breakdown of filings of the main industrial over time

Main co-filings between applicants

Industrial & institutional filings over time

Map of priority filings

Evolution of priority filings

Map of extensions

Evolution of the number of applicants

Breakdown of the portfolio

Most cited patent families

Most extended patent families

Regional focus

USA focus

China focus

Japan focus

South Korea focus

Europe focus

Applicant focus

PANASONIC

SAMSUNG

SONY

LG GROUP

NEC

MITSUBISHI

TOYOTA

SANYO

JAPAN STORAGE BATTERY

YUASA BATTERY

NGK INSULATORS

MISTUI MINING SMELTING

NIPPON CHEM IND

TOSOH

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IP Overview – LiMxMn2-xO4 cathode materials for batteries Patent Landscape 2011

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