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For the Inventor, By the Inventor

Fuji, Japan

Masami Yamawaki

USPTO Granted Patents = 8

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 54(Granted Patents)


Location History:

  • Shizuoka, JP (1986)
  • Fuji, JP (1983 - 1989)

Company Filing History:

goldMedal8 out of 381 
 
Polyplastics Co., Ltd.
 patents

Years Active: 1983-1989

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8 patents (USPTO):Explore Patents
1. 4886851 - Polyacetal resin composition (1989-12-12),
2. 4730015 - Weather resistant polyacetal resin composition (1988-03-08),
3. 4661570 - Method of continuous polymerization (1987-04-28),
4. 4596847 - Polyacetal resin composition (1986-06-24),
5. 4579935 - Method for manufacturing polymer or copolymer of trioxane (1986-04-01),
6. 4559380 - Polyacetal resin composition (1985-12-17),
7. 4547565 - Method for manufacturing trioxane copolymer (1985-10-15),
8. 4418162 - Process for treating the surface of polyacetal resin (1983-11-29),
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