Inventor · disambiguated record
Yasuo Iwafune
Also filed as: IWAFUNE YASUO
8 granted patents·97 citations·filing 1979–1992
86Inventor score
Top patents by PatentIndex Score
8 records- 0176US4455758ABearing means for angle measuring instrumentsTOKYO OPTICAL·Filed 1983·Granted Jun 26, 1984·26 cites·6 claims
- 0267US4488050ALevel measuring instrument having a staff with light-emitting elementsTOKYO OPTICAL·Filed 1982·Granted Dec 11, 1984·18 cites·7 claims
- 0362US5184245AOptical scanning systemTOKYO ELECTRIC CO LTD·Filed 1991·Granted Feb 2, 1993·26 cites·9 claims
- 0458US4875748APolygon mirrorTOKYO ELECTRIC CO LTD·Filed 1988·Granted Oct 24, 1989·18 cites·16 claims
- 0534US5204769APostobjective optical deflectorTOKYO ELECTRIC CO LTD·Filed 1992·Granted Apr 20, 1993·5 cites·4 claims
- 0632US5064262APostobjective optical deflectorTOKYO ELECTRIC CO LTD·Filed 1988·Granted Nov 12, 1991·3 cites·4 claims
- 0731US4277171ABase board device for measuring instrumentsTOKYO OPTICAL·Filed 1979·Granted Jul 7, 1981·1 cites·5 claims
- 0829US5153766APostobjective optical scannerTOKYO ELECTRIC CO LTD·Filed 1991·Granted Oct 6, 1992·0 cites·4 claims
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