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Katsura Matsubara

USPTO Granted Patents = 8

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 55(Granted Patents)

Location History:

Aichi, JP (2003 - 2007)
Iwakura, JP (2000 - 2010)

Company Filing History:

Ngk Spark Plug Company, Limited

Years Active: 2000-2010

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7705273 - Ceramic heater, method of producing the same, and glow plug using a ceramic heater (2010-04-27),

2. 7282670 - Ceramic heater and glow plug having the same (2007-10-16),

3. 6849207 - Silicon nitride sintered material and production process thereof (2005-02-01),

4. 6657166 - Silicon nitride sintered material and production process thereof (2003-12-02),

5. 6621052 - Silicon nitride-tungsten carbide composite sintered material, process for preparing the same and glow plug (2003-09-16),

6. 6563089 - Silicon nitride—tungsten carbide composite sintered material, production process therefor, and glow plug comprising the same (2003-05-13),

7. 6559579 - Alumina-based sintered body insulator for spark plugs (2003-05-06),

8. 6069105 - Alumina-based sintered materials and process for producing the same (2000-05-30),

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