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Hidetoshi Wakamatsu

USPTO Granted Patents = 7 (Patent Applications = 1)

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 59(Granted Patents)

Location History:

Tokyo, JP (1989 - 2003)
Miyagi, JP (2008)

Company Filing History:

Oki Electric Industry Co., Ltd.

Years Active: 1989-2008

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7332346 - Method of collecting chemically contaminating impurity constituents contained in air (2008-02-19),

2. 6645273 - Method for removing impurity contents in the air (2003-11-11),

3. 6497757 - Apparatus for removing impurity contents in the air (2002-12-24),

4. 6387165 - Airborne molecular contaminant removing apparatus (2002-05-14),

5. 5120677 - Method for making a semiconductor device by doping with arsenic, of at (1992-06-09),

6. 4879253 - Method for fabricating a semiconductor device using a BPSG layer (1989-11-07),

7. 4839306 - Method of manufacturing a trench filled with an insulating material in a (1989-06-13),

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