Seitaro Okano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element forming apparatus
- Patent number 4,698,089
- Issue date Oct 6, 1987
- Canon Kabushiki Kaisha
- Kenzo Matsuzaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL