Hiroshi Sonoda

Follow

Person

Shigaken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for producing hollow-cylindrically shaped fibrous articles
- Patent number 4,197,156
- Issue date Apr 8, 1980
- Chisso Corporation
- Takayoshi Nakajima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of and apparatus for producing hollow-cylindrically shaped f...
- Patent number 4,100,009
- Issue date Jul 11, 1978
- Chisso Corportion
- Takayoshi Nakajima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL