Osamu Otsu

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Yokohama, JP

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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
Colored stretched polyethylene material and process for producing t...
- Patent number 5,693,708
- Issue date Dec 2, 1997
- Nippon Oil Co., Ltd.
- Yoshimu Iwanami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Split polyethylene stretched material and process for producing the...
- Patent number 5,578,373
- Issue date Nov 26, 1996
- Nippon Oil Co., Ltd.
- Seizo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL