Inventor · disambiguated record
Hatsuichi Takeyasu
Also filed as: TAKEYASU HATSUICHI
3 granted patents·22 citations·filing 1988–1994
69Inventor score
Files withASAHI OPTICAL CO LTD3
Top patents by PatentIndex Score
3 records- 0139US5361170APolygonal mirrorASAHI OPTICAL CO LTD·Filed 1993·Granted Nov 1, 1994·10 cites·13 claims
- 0233US4884856APolygonal mirror and method of making sameASAHI OPTICAL CO LTD·Filed 1988·Granted Dec 5, 1989·8 cites·17 claims
- 0331US5517365APolygonal mirrorASAHI OPTICAL CO LTD·Filed 1994·Granted May 14, 1996·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →