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For the Inventor, By the Inventor

Tokuyama, Japan

Hideo Konuma

USPTO Granted Patents = 4

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 90(Granted Patents)


Location History:

  • Tokuyama, JA (1976 - 1978)
  • Tokuyamashi, JA (1978)
  • Tokuyama, JP (1979)

Company Filing History:

goldMedal2 out of 555 
 
Idemitsu Petrochemical Co., Ltd.
 patents
silverMedal1 out of 2,271 
 
Idemitsu Kosan Company, Limited
 patents
bronzeMedal1 out of 3 
 
Idemitsu, Kosan Kabushiki-kaisha
 patents

Years Active: 1976-1979

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4 patents (USPTO):Explore Patents
1. 4153780 - Process for the preparation of polycarbonate with weatherproof property (1979-05-08),
2. 4089888 - Method for producing a polycarbonate oligomer (1978-05-16),
3. 4081497 - Method for producing a high impact polystyrene (1978-03-28),
4. 3974126 - Process and apparatus for continuous production of polycarbonates (1976-08-10),
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