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For the Inventor, By the Inventor

Sodegaura, Japan

Ryozo Sugawara

USPTO Granted Patents = 4

Average Co-Inventor Count = 5.4

ph-index = 3

Forward Citations = 77(Granted Patents)


Location History:

  • Chiba, JP (1981)
  • Sodegawara, JP (1983)
  • Sodegaura, JP (2001)

Company Filing History:

goldMedal3 out of 630 
 
Dainippon Ink and Chemicals, Incorporated
 patents
silverMedal1 out of 1 
 
Dainippon Ink Chemicals, Inc.
 patent

Years Active: 1981-2001

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4 patents (USPTO):Explore Patents
1. 6248493 - Toner for non-magnetic single component development (2001-06-19),
2. 6238836 - Toner composition and developer for electrostatic image development (2001-05-29),
3. 4402887 - Sheet-like articles of polyvinyl chloride (1983-09-06),
4. 4278728 - Embossed interior finishing materials having excellent cigarette mark (1981-07-14),
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