Sumio Yoshida

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing polyolefin materials
- Patent number 6,017,480
- Issue date Jan 25, 2000
- Nippon Oil Co., Ltd.
- Sumio Yoshida
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Prepreg of ultra-high-molecular-weight polyethylene
- Patent number 5,723,388
- Issue date Mar 3, 1998
- Nippon Oil Co., Ltd.
- Seizo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for the continuous production of a polyethylene material hav...
- Patent number 5,702,657
- Issue date Dec 30, 1997
- Nippon Oil Co., Ltd.
- Sumio Yoshida
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing prepreg
- Patent number 5,612,125
- Issue date Mar 18, 1997
- Nippon Oil Co., Ltd.
- Seizo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL