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For the Inventor, By the Inventor

Toyonaka, Japan

Zenjiro Honda

USPTO Granted Patents = 5

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 81(Granted Patents)


Location History:

  • Saitama, JA (1976)
  • Saitama, JP (1980 - 1981)
  • Oimachi, JP (1981)
  • Toyonaka, JP (1990)

Company Filing History:

goldMedal3 out of 640 
 
Daicel Corporation
 patents
silverMedal2 out of 1,165 
 
Daicel Chemical Industries, Ltd.
 patents
bronzeMedal1 out of 324 
 
Tanabe Seiyaku Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1976-1990

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5 patents (USPTO):Explore Patents
1. 4909942 - Process for removing pyrogens (1990-03-20),
2. 4292417 - Semipermeable membrane (1981-09-29),
3. 4279846 - Process for preparing semipermeable membrane having selective (1981-07-21),
4. 4200726 - Semipermeable membrane of phenoxy resin containing sulfuric acid groups (1980-04-29),
5. 3950257 - Semipermeable membrane and process for the preparation thereof (1976-04-13),
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