Kobji Sakai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical scanning apparatus and scanning image forming lens
- Patent number 6,359,717
- Issue date Mar 19, 2002
- Ricoh Company, Ltd.
- Seizo Suzuki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical scanning apparatus and scanning image forming lens
- Publication number 20010043382
- Publication date Nov 22, 2001
- Seizo Suzuki
- G02 - OPTICS