Tetsuo Okamoto

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of dyeing a high heat-resistant synthetic fiber material
- Patent number 5,447,540
- Issue date Sep 5, 1995
- Teijin Limited
- Shigenobu Kobayashi
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Synthetic filament-reinforced polymer material sheet and process fo...
- Patent number 4,874,658
- Issue date Oct 17, 1989
- Teijin Limited
- Yoshiyuki Sasaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pile fabric with non-mushroom shaped cut ends
- Patent number 4,539,242
- Issue date Sep 3, 1985
- Teijin Limited
- Yoshiyuki Sasaki
- D03 - WEAVING