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Yoshinori Narita

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.1

ph-index = 9

Forward Citations = 190(Granted Patents)

Location History:

Nagoya, JA (1977)
Nagoya City, JP (1990)
Aichi Prefecture, JP (1990)
Nagoya, JP (1979 - 1991)
Aichi, JP (1986 - 1991)

Company Filing History:

13 out of 2,606

Ngk Spark Plug Company, Limited

Years Active: 1977-1991

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5020319 - Hollow heat-resisting body assembly for internal combustion engine (1991-06-04),

2. 4997296 - Ceramic bearing and metal shaft assembly (1991-03-05),

3. 4942804 - Piston with ceramic insert that covers piston head portion defining (1990-07-24),

4. 4899707 - Engine cylinder head with precombustion chambers using ceramics insert (1990-02-13),

5. 4881498 - Rocker arm made of ceramics (1989-11-21),

6. 4873952 - Engine cylinder head with precombustion chambers using porous ceramics (1989-10-17),

7. 4828009 - Method of manufacturing a complex body of sintered ceramic material and (1989-05-09),

8. 4676064 - Heat-insulated port liner arrangement and method of fabrication (1987-06-30),

9. 4604779 - Method of producing a cylinder head with a port liner (1986-08-12),

10. 4461323 - Bent honeycomb pipe assembly with central pipe (1984-07-24),

11. 4180538 - Method of making ceramic shaped article from inorganic raw material (1979-12-25),

12. 4168944 - Apparatus for manufacturing a tubular honeycomb assembly with an (1979-09-25),

13. 4055614 - Method of firing formed ceramic body (1977-10-25),

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