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Takashi Fujii

USPTO Granted Patents = 5

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 110(Granted Patents)

Company Filing History:

Haneda Humepipe Co., Ltd.

1 out of 27,375

Matsushita Electric Industrial Co., Ltd.

Tagawasyouji Co., Ltd.

Years Active: 1993-2002

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6435763 - KEY HOLE INSERTION FOR MANHOLE AND MANHOLE COVER LOCKING APPARATUS EQUIPPED WITH THE KEY HOLE INSERTION AND MANHOLE COVER LOCKING SYSTEM AND UNLOCKING METHOD AND MANHOLE COVER OPENING AND CLOSING CONTROL SYSTEM (2002-08-20),

2. 6346670 - Solar battery system (2002-02-12),

3. 5760572 - Intermittent motion apparatus (1998-06-02),

4. 5663628 - Battery system with levelled discharge (1997-09-02),

5. 5208450 - IC card and a method for the manufacture of the same (1993-05-04),

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