Inventor
MASUNAGA SATORU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MASUNAGA SATORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MASUNAGA OPTICAL MFG CO LTD
12 patentsUS6398362B1Jun 4, 2002
Assembly of clip-on attachment spectacles
MASUNAGA OPTICAL MFG CO LTD34 citations92
US6293671B1Sep 25, 2001
Method for working an auxiliary spectacle lens
MASUNAGA OPTICAL MFG CO LTD29 citations92
US5936700AAug 10, 1999
Mounting structure of detachable lenses to main spectacles
MASUNAGA OPTICAL MFG CO LTD50 citations92
US5847801ADec 8, 1998
Hinge structure and bearing member for hinge in frame of spectacles
MASUNAGA OPTICAL MFG CO LTD35 citations92
US5585870ADec 17, 1996
Rimless spectacles with its lenses supported and clipped at three points
MASUNAGA OPTICAL MFG CO LTD27 citations92
US6334679B2Jan 1, 2002
Rimless eyeglass frame and rimless eyeglasses employing such frame
MASUNAGA OPTICAL MFG CO LTD28 citations89
US6094957AAug 1, 2000
Method for bending difficult-to-work metallic wire and method for shaping coil section thereof
MASUNAGA OPTICAL MFG CO LTD11 citations73
US6793338B2Sep 21, 2004
Rimless spectacles with lens holding stability
MASUNAGA OPTICAL MFG CO LTD2 citations62
US5751394AMay 12, 1998
Adjustable temple frame mounting structure in spectacles
MASUNAGA OPTICAL MFG CO LTD5 citations62
USD443290SJun 5, 2001
Portion of an eyeglass frame
MASUNAGA OPTICAL MFG CO LTD3 citations59
USD438231SFeb 27, 2001
Portion of an eyeglass frame
MASUNAGA OPTICAL MFG CO LTD3 citations59
US8894199B2Nov 25, 2014
Spectacles frame and temple members of the same
MASUNAGA OPTICAL MFG CO LTD0 citations41