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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)
Patenting In Technology Classes, Breakout By Organization
Count of 2001 - 2005 Utility Patent Grants, By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification
- Explanation of Data -
Rank Ordered Listing of Organizations Receiving
5
or More Utility Patents During the Period
Having Primary Classification In
Class 136, Batteries: Thermoelectric and Photoelectric
( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )
The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
CANON KABUSHIKI KAISHA
32
13
20
16
7
88
~Individually Owned Patent
15
18
10
14
10
67
SHARP KABUSHIKI KAISHA (SHARP CORPORATION)
4
9
11
7
1
32
KANEKA CORPORATION
10
9
3
1
1
24
SANYO ELECTRIC CO., LTD.
2
7
5
1
2
17
BOEING COMPANY
3
1
3
3
1
11
JX CRYSTALS, INC.
6
4
1
0
0
11
CITIZEN WATCH CO., LTD.
3
3
2
0
0
8
INTERNATIONAL BUSINESS MACHINES CORPORATION
3
4
1
0
0
8
POWERLIGHT CORPORATION
1
2
3
2
0
8
FUJI PHOTO FILM CO., LTD
1
3
1
1
1
7
MARLOW INDUSTRIES, INC.
3
3
1
0
0
7
TDK CORPORATION
1
3
2
0
1
7
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY
2
3
0
1
0
6
CALIFORNIA INSTITUTE OF TECHNOLOGY
1
2
1
2
0
6
KYOCERA CORPORATION
0
1
5
0
0
6
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
2
2
2
0
0
6
MITSUBISHI DENKI KABUSHIKI KAISHA
0
2
2
2
0
6
NORTH CAROLINA STATE UNIVERSITY
0
2
3
0
1
6
AISIN SEIKI KABUSHIKI KAISHA
1
1
0
3
0
5
KOMATSU LTD.
2
0
1
1
1
5
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
0
1
2
2
0
5
MIDWEST RESEARCH INSTITUTE
5
0
0
0
0
5
NEOKISMET, L.L.C.
3
0
1
1
0
5
NIPPON SHEET GLASS CO., LTD.
0
3
1
1
0
5
TECSTAR POWER SYSTEMS, INC.
3
2
0
0
0
5
TRW INC.
1
4
0
0
0
5
PTMB Contacts
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Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450
tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov
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