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Takeshi Hazeyama

USPTO Granted Patents = 6

CIPO Patents = 1

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 71(Granted Patents)

Location History:

Mitaka, JA (1976)
Mitaka, JP (1992)
Tokyo, JP (1985 - 1997)
Koga, JP (2008)

Company Filing History:

Nittetsu Mining Co., Ltd.

Years Active: 1976-2008

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7399522 - Heat-resistant filter element and method for production thereof (2008-07-15),

2. 5607490 - Filter having chemical resistance, antistatic property and water vapor (1997-03-04),

3. 5558689 - Reinforced filter element (1996-09-24),

4. 5080847 - Manufacturing method of filter element for dust collector (1992-01-14),

5. 4551240 - Apparatus for classifying particulate material with air currents (1985-11-05),

6. 3969484 - Process for recovering tungsten from alkaline leaching solution of (1976-07-13),

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